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業績ページ(発表論文)

Published in 2024

2024

[15] Fluoride Ion Storage and Conduction Mechanism in Fluoride Ion Battery Positive Electrode, RuddlesdenPopper-Type Layered Perovskite La1.2Sr1.8Mn2O7 Crystal
Hidenori Miki, Toshiyuki Matsunaga, Zhuoran Li, Zulai Cao, Kentaro Yamamoto, Mukesh Kumar, Neha Thakur, Toshiki Watanabe, Hideki Iba, Shintaro Kobayashi, Shogo Kawaguchi, Kazutaka Ikeda, Masato Hagihala, Takashi Kamiyama, Akihide Kuwabara, Hiroshi Kageyama, Kazuhiko Maeda, Yoshiharu Uchimoto
Inorg. Chem., 2024, accepted,
DOI: 10.1021/acs.inorgchem.4c02341

[14] Structural Insights and Electronic State Analysis of PtNi Nanowire Catalysts by operando High-Energy Resolution Fluorescence Detection X-ray Absorption Spectroscopy
Weijie Cao, Neha Thakur, Mukesh Kumar, Tomoki Uchiyama, Yunfei Gao, Satoshi Tominaka, Akihiko Machida, Toshiki Watanabe, Ryota Sato, Toshiharu Teranishi, Masashi Matsumoto, Hideto Imai, Yoshiaru Sakurai and Yoshiharu Uchimoto
J. Mater. Chem. A, 2024, accepted,

[13] Fluoride ion storage and conduction mechanism in fluoride ion battery positive electrode, Ruddlesden-Popper-type layered perovskite La1.2Sr1.8Mn2O7 crystal
Miki, Hidenori; Matsunaga, Toshiyuki; Li, Zhuoran; Cao, Zulai; Yamamoto, Kentaro; Kumar, Mukesh; Thakur, Neha; Watanabe, Toshiki; Iba, Hideki; Kobayashi, Shintaro; Kawaguchi, Shogo; Ikeda, Kazutaka; Hagihala, Masato ; kamiyama, takashi; Kuwabara, Akihide; Kageyama, Hiroshi; Maeda, Kazuhiko; Uchimoto, Yoshiharu
Inorg. Chem., 2024, accepted,

[12] A Modified Galvanic Cell Synthesis of Pd@Pt Core-Shell Nanowire Catalysts: Structural Insights and Enhanced ORR Performance
Cao, Weijie; Kumar, Mukesh; Thakur, Neha; Uchiyama, Tomoki; Gao, Yunfei; Tominaka, Satoshi; Machida, Akihiko; Watanabe, Toshiki; Sato, Ryota; Teranishi, Toshiharu; Matsumoto, Masashi; Imai, Hideto; Sakurai, Yoshiharu; Uchimoto, Yoshiharu
ACS Appl. Energy Mater., 2024, accepted,

[11] Reversible Fluoride-Ion (De)Intercalation of CuLaO2 Cathodes with Crystalline/Amorphous Phase Transition Involving Multi-Electron Reaction
Zulai Cao, Kentaro Yamamoto, Toshiyuki Matsunaga, Mukesh Kumar, Neha Thakur, Toshiki Watanabe, Koji Nakanishi, Hidenori Miki, Hideki Iba, Koji Amezawa, Hiroshi Kageyama, Yoshiharu Uchimoto
ACS Appl. Energy Mater., 2024, 7, 15, 6640 – 6648
DOI: 10.1021/acsaem.4c01271

[10] Structure and Particle Surface Analysis of Li2S–P2S5–LiI-Type Solid Electrolytes Synthesized by Liquid-Phase Shaking
Kazuhiro Hikima, Kaito Ogawa, Radian Febi Indrawan, Hirofumi Tsukasaki, Satoshi Hiroi, Koji Ohara, Kazutaka Ikeda, Toshiki Watanabe, Toshiyuki Matsunaga, Kentaro Yamamoto, Shigeo Mori, Yoshiharu Uchimoto, and Atsunori Matsuda
J. Solid State Electrochem., 2024, Published,
DOI: 10.1007/s10008-024-05898-3

[9] Protracted Relaxation Dynamics of Lithium Heterogeneity in Solid-State Battery Electrodes
Huang, Su; Kimura, Yuta; Nakamura, Takashi; Ishiguro, Nozomu; Sekizawa, Oki; Nitta, Kiyofumi; Uruga, Tomoya; Takeuchi, Tomonari; Okumura, Toyoki; Tada, Mizuki; Uchimoto, Yoshiharu; Amezawa, Koji
J. Phys. Chem. C, 2024, 128, 15, 6213 – 6221
DOI: 10.1021/acs.jpcc.4c00318

[8] Double-Layered Perovskite Oxyfluoride Cathodes with High Capacity Involving O–O Bond Formation for Fluoride-Ion Batteries
Hidenori Miki , Kentaro Yamamoto, Hiroyuki Nakaki, Takahiro Yoshinari, Koji Nakanishi, Shinji Nakanishi, Hideki Iba, Jun Miyawaki, Yoshihisa Harada, Akihide Kuwabara, Yanchang Wang, Toshiki Watanabe, Toshiyuki Matsunaga, Kazuhiko Maeda, Hiroshi Kageyama, and Yoshiharu Uchimoto
J. Am. Chem. Soc., 2024, 146, 6, 3844 – 3853
DOI: 10.1021/jacs.3c10871

[7] Revealing the Unusual Mechanism of Mixed Cationic and Anionic Redox in Oxyfluorosulfide Cathode for All-solid-state Fluoride-ion Batteries
Cao, Zulai; Yamamoto, Kentaro; Matsunaga, Toshiyuki; Watanabe, Toshiki; Kumar, Mukesh; Thakur, Neha; Ohashi, Ryogo; Tachibana, Shintaro; Miki, Hidenori; Ide, Kazuto; Iba, Hideki; Kiuchi, Hisao; Harada, Yoshihisa; Orikasa, Yuki; Uchimoto, Yoshiharu
Chemistry of Materials, 2024, 36, 4, 1928 – 1940
DOI: 10.1021/acs.chemmater.3c02650

[6] Accelerated fluoride-ion intercalation/deintercalation in a layered-perovskite cathode by controlling the interlayer distance for fluoride-ion batteries
Hidenori Miki, Kentaro Yamamoto, Cao Shuo, Toshiyuki Matsuna, Mukesh Kumar, Neha Thakur, Yuki Sakaguchi, Toshiki Watanabe, Hideki Iba, Hiroshi Kageyama, Yoshiharu Uchimoto
Solid State Ionics, 2024, 406, 116480
DOI: 10.1016/j.ssi.2024.116480

[5] Transient phase change of Ruddlesden-Popper type perovskite on fluoride-ion intercalation reaction
Hidenori Miki, Kentaro Yamamoto, Toshiyuki Matsunaga, Toshiki Watanabe, Mukesh Kumar, Neha Thakur, Hideki Iba, Hiroshi Kageyama, Yoshiharu Uchimoto
Solid State Ionics, 2024, 406, 116481
DOI: 10.1016/j.ssi.2024.116481

[4] Tuning the ionic and electronic paths in Li2S-based cathode for high-rate performance all-solid-state lithium‑sulfur batteries
Wenli Pan, Toshiki Watanabe, Toshiyuki Matsunaga, Mukesh Kumar, Neha Thakur, Kentaro Yamamoto, Masayuki Uesugi, Akihisa Takeuchi, Atsushi Sakuda, Akitoshi Hayashi, Masahiro Tatsumisago, Yoshiharu Uchimoto
Solid State Ionics, 2024, 406, 116479
DOI: 10.1016/j.ssi.2024.116479

[3] Phase Transition Mechanism of ZnMn2O4 Spinel Oxide with Electrochemical Magnesium-ions Insertion
Yamamoto, Kentaro; Tuerxun, Feilure; Matsunaga, Toshiyuki; Watanabe, Toshiki; Uchiyama, Tomoki; Abulikemu, Aierxiding; Kanamura, Kiyoshi; Uchimoto, Yoshiharu
J. Phys. Chem. C, 2024, 128, 5, 1886 – 1892
DOI: 10.1021/acs.jpcc.3c06518

[2] Comparative study of bubble forming sites at the laser-induced microstructure on a Ni electrode during hydrogen and oxygen evolution reactions
Kota Ando, Yoshiharu Uchimoto, Takashi Nakajima
Int. J. Hydrog. Energy., 2024, 49, C, 449 – 457
DOI: 10.1016/j.ijhydene.2023.08.097

[1] Influence of Primary Particle Morphology and Hydrophilicity of Carbon Matrix on Electrode Coating Quality and Performance of Practical High-Energy-Density Li–S Batteries
Shanglin Li, Zhaoyue Chen, Kentaro Yamamoto, Toshiki Watanabe, Yoshiharu Uchimoto, Yuki Mori, Gen Inoue, Kazuya Ohuchi, Satoshi Inagaki, Kazuhide Ueno, Kaoru Dokko, Masayoshi Watanabe
Adv. Mater. Interfaces, 2024, 11, 7, 2300864
DOI: 10.1002/admi.202300864

2023

[17] High-performance Copper/Copper oxide-based cathode prepared by a facile Ball-milling method for All-solid-state Fluoride ion Batteries
Cao, Zulai; Yamamoto, Kentaro; Zhang, Datong; Matsunaga, Toshiyuki; Kumar, Mukesh; Thakur, Neha; Watanabe, Toshiki; Miki, Hidenori; Iba, Hideki; Amezawa, Koji; Uchimoto, Yoshiharu
ACS Applied Energy Materials, 2023, 6, 23, 11906 – 11914
DOI: 10.1021/acsaem.3c02003

[16] Improving the Cyclic Reversibility of Layered Li-rich Cathodes by Combining Oxygen Vacancies and Surface Fluorination
Abulikemu, Aierxiding; Matsunaga, Toshiyuki; Shi, Xian; Kumar, Mukesh; Thakur, Neha; Takami, Tsuyoshi; Yamamoto, Kentaro; Uchiyama, Tomoki; Watanabe, Toshiki; Inada, Miki; Uchimoto, Yoshiharu
ACS Applied Materials & Interfaces, 2023, 15, 47, 54419 – 54431
DOI: 10.1021/acsami.3c11511

[15] An Electron/Ion Dual Conductive Integrated Cathode Using Cationic/Anionic Redox for High-Energy-Density All-Solid-State Lithium-Sulfur Batteries
Wenli Pan, Kentaro Yamamoto, Toshiyuki Matsunaga, Toshiki Watanabe, Mukesh Kumar, Neha Thakur, Tomoki Uchiyama, Masayuki Uesugi, Akihisa Takeuchi, Atsushi Sakuda, Akitoshi Hayashi, Masahiro Tatsumisago, Yoshiharu Uchimoto
Batteries & Supercaps, 2023, 7, 1, e202300427
DOI: 10.1002/batt.202300427

[14] Improving electrochemical performance of Li2S cathode based on point defect control with cation/anion dual doping
Wenli Pan, Kentaro Yamamoto, Nobuya Machida, Toshiyuki Matsunaga, Mukesh Kumar, Neha Thakur, Toshiki Watanabe, Atsushi Sakuda, Akitoshi Hayashi, Masahiro Tatsumisago, Yoshiharu Uchimoto
Journal of Materials Chemistry A, 2023, 11, 24637 – 24643
DOI: 10.1039/D3TA05426H

[13] Investigating Degradation Mechanisms in PtCo Alloy Catalysts: The Role of Co Content and Pt-Rich Shell Using operando High Energy Resolution Fluorescence Detection X-ray Absorption Spectroscopy
Gao, Yunfei; Thakur, Neha; Uchiyama, Tomoki; Cao, Weijie; Yamamoto, Kentaro; Watanabe, Toshiki; Kumar, Mukesh; Sato, Ryota; Teranishi, Toshiharu; Imai, Hideto; Sakurai, Yoshiharu; Uchimoto, Yoshiharu
ACS Applied Materials & Interfaces, 2023, 15, 45, 52473 – 52484
DOI: 10.1021/acsami.3c11248

[11] Nanorod Structuring of IrOx on a Unique Microstructure of Sb-Doped Tin Oxide to Dramatically Boost the Oxygen Evolution Reaction Activity for PEM Water Electrolysis
Shi, Guoyu; Tano, Tetsuro; Tryk, Donald; Uchiyama, Tomoki; Iiyama, Akihiro; Uchida, Makoto; Terao, Kazuki; Yamaguchi, Miho; Tamoto, Kayoko; Uchimoto, Yoshiharu; Kakinuma, Katsuyoshi
ACS Catal., 2023, 13, 18, 12299 – 12309
DOI: 10.1021/acscatal.3c01647

[10] Origin of High Activity and Durability of Confined Ordered Intermetallic PtCo Catalysts for Oxygen Reduction Reaction in Rotating Disk Electrode and Fuel Cell Operating Conditions
Gao, Yunfei; Uchiyama, Tomoki; Yamamoto, Kentaro; Watanabe, Toshiki; Tominaka, Satoshi; Thakur, Neha; Sato, Ryota; Teranishi, Toshiharu; Imai, Hideto; Sakurai, Yoshiharu; Uchimoto, Yoshiharu
ACS Catal., 2023, 13, 16, 10988 – 101000
DOI: 10.1021/acscatal.3c01926

[9] Preventing Capacity Fading in Lithium–Sulfur Batteries Using Sulfur Confinement in Mesoporous Carbon and Fluorinated-Solvent-Based Electrolytes
Torii, Yuya; MATSUI, YUKIKO; Yamamoto, Kentaro; Uchida, Satoshi; Yamazaki, Shigeaki; Watanabe, Toshiki; Nakanishi, Koji; Uchiyama, Tomoki; Uchimoto, Yoshiharu; Ishikawa, Masashi
J. Phys. Chem. C, 2023, 127, 31, 15069 – 15077
DOI: 10.1021/acs.jpcc.3c02992

[8] Stacking Order Induced Anion Redox Regulation for Layer-Structured Na0.75Li0.2Mn0.7Cu0.1O2 Cathode Materials
Cui Ma, Aierxiding Abulikemu, Jian Bao, Tomoki Uchiyama, Yong-Yao Xia, Xun-Lu Li, Yoshiharu Uchimoto, and Yong-Ning Zhou
Small, 2023, 19, 37, 2302332
DOI: 10.1002/smll.202302332

[7] 5D Analysis of Capacity Degradation in Battery Electrodes Enabled by Operando CT–XANES
Yuta Kimura, Su Huang, Takashi Nakamura, Nozomu Ishiguro, Oki Sekizawa, Kiyofumi Nitta, Tomoya Uruga, Tomonari Takeuchi, Toyoki Okumura, Mizuki Tada, Yoshiharu Uchimoto, and Koji Amezawa
Small methods, 2023, 7, 10, 2300310
DOI: 10.1002/smtd.202300310

[6] High-packing-density electrodes by self-forming ion conduction pathway during charge process for all-solid-state lithium ion batteries
Yamamoto, Kentaro; Xiao, Yao; Watanabe, Toshiki; Sakuda, Atsushi; Takahashi, Masakuni; Pan, Wenli ; Nakanishi, Koji; Matsunaga, Toshiyuki; Uesugi, Masayuki; Takeuchi, Akihisa; Uesugi, Kentaro; Hayashi, Akitoshi; Tatsumisago, Masahiro; Uchimoto, Yoshiharu
J. Phys. Chem. C, 2023, 127, 30, 14656 – 14665
DOI: 10.1021/acs.jpcc.3c02851

[5] Y2S3-doped Li2S Active Cathode Materials for All-Solid-State Li–S Batteries
Hikima, Kazuhiro; Fujii, Ryo; Gamo, Hirotada; Tsukasaki, Hirofumi; Mori, Shigeo; Watanabe, Toshiki; Yamamoto, Kentaro; Uchimoto, Yoshiharu; Muto, Hiroyuki; Matsuda, Atsunori
J. Phys. Chem. C, 2023, 127, 28, 13511 – 13517
DOI: 10.1021/acs.jpcc.3c02144

[4] Protection Against Absorption Passivation on Platinum by Nitrogen-Doped Carbon Shell for Enhanced Oxygen Reduction Reaction
Yunfei Gao, Tomoki Uchiyama, Kentaro Yamamoto, Toshiki Watanabe, Neha Thakur, Ryota Sato, Toshiharu Teranishi, Hideto Imai, Yoshiharu Sakurai, Yoshiharu Uchimoto
ACS Appl. Mater. Interfaces, 2023, 15, 25, 30240 – 30248
DOI: 10.1021/acsami.3c04459

[3] Potassium-rich antiperovskites K3HTe and K3FTe and their structural relation to lithium and sodium counterparts
Koji Okada, Susumu Fujii, Cédric Tassel, Shenghan Gao, Hiroki Ubukata, Wenli Pan, Kentaro Yamamoto, Yoshiharu Uchimoto, Akihide Kuwabara, Hiroshi Kageyama
Dalton Trans., 2023, 52, 9026
DOI: 10.1039/D3DT01039B

[2] Unique lithium precipitation behavior inside Li3PS4 solid electrolyte observed via multimodal/multiscale operando X-ray computed tomography
Jaehee Park, Toshiki Watanabe, Kentaro Yamamoto, Tomoki Uchiyama, Tsuyoshi Takami, Atsushi Sakuda, Akitoshi Hayashi, Masahiro Tatsumisago, Yoshiharu Uchimoto
Chem. Commun., 2023, 59, 7799 – 7802
DOI: 10.1039/D2CC05224E

[1] In Situ Formed Heterostructure Interface and Well-Tuned Electronic Structure Ensuring Long Cycle Stability for 4.9 V High-Voltage Li-Rich Layered Oxide Cathodes
Gang Zhou, Datong Zhang, Youquan Zhang, Wenran Wang, Tomoki Uchiyama, Chunxiao Zhang, Yoshiharu Uchimoto, and Weifeng Wei
ACS Appl. Mater. Interfaces, 2023, 15, 15, 19055 – 19065
DOI: 10.1021/acsami.3c02173

2022

[14] Regulating oxygen covalent electron localization to enhance anionic redox reversibility of lithium-rich layered oxide cathodes
Chunxiao Zhang, Bo Wei, Meiyu Wang, Datong Zhang, Tomoki Uchiyama, Chaoping Liang, Libao Chen, Yoshiharu Uchimoto, Ruifeng Zhang, Peng Wang, Weifeng Wei
Energy Stor. Mater., 2022, 46, 512 – 522
DOI: 10.1016/j.ensm.2022.01.038

[13] Correlation between the Forming Sites of Hydrogen Bubbles and Micro/Nanostructures on the Electrode Surface
Kota Ando, Yoshiharu Uchimoto, and Takashi Nakajima
J. Phys. Chem. C, 2022, 126, 44, 18988 – 18993
DOI: 10.1021/acs.jpcc.2c06560

[12] Oxyfluoride Cathode for All-solid-state Fluoride-ion Batteries with Small Volume Change Using Three-dimensional Diffusion Paths
Wang, Yanchang; Takami, Tsuyoshi; Li, Zhuoran; Yamamoto, Kentaro; Matsunaga, Toshiyuki; Uchiyama, Tomoki; Watanabe, Toshiki; Miki, Hidenori; Inoue, Toshihiko; Iba, Hideki; Mizutani, Uichiro; Sato, Hirokazu; Maeda, Kazuhiko; Kageyama, Hiroshi; Uchimoto, Yoshiharu
Chem. Mater. , 2022, 34, 23, 10631 – 10638
DOI: 10.1021/acs.chemmater.2c02736

[11] Revealing Impacts of Anion Defect Species on Fluoride-Ion Conduction of Ruddlesden-Popper Oxyfluoride Ba2ScO3F
Kota MOTOHASHI, Takanori SANADA, Takashi NAKAMURA, Yuta KIMURA, Yoshiharu UCHIMOTO, Koji AMEZAWA
Electrochemistry, 2022, 90, 12, 127005
DOI: 10.5796/electrochemistry.22-00114

[10] Na3H(ZnH4) Antiperovskite: A Large Octahedral Distortion with an Off-Centering Hydride Anion Coupled to Molecular Hydride
Shenghan Gao, Cédric Tassel, Susumu Fujii, Hiroki Ubukata, Tong Zhu, Datong Zhang, Thibault Broux, Takashi Saito, Chengchao Zhong, Emre Yoruk, Kentaro Yamamoto, Akihide Kuwabara, Yoshiharu Uchimoto, and Hiroshi Kageyama
Chemistry of materials, 2022, 34, 15, 6815 – 6823
DOI: 10.1021/acs.chemmater.2c00958

[9] Partial cation disorder in Li2MnO3 obtained by high-pressure synthesis
Aierxiding Abulikemu, Shenghan Gao, Toshiyuki Matsunaga, Hiroshi Takatsu, Cedric Tassel, Hiroshi Kageyama, Takashi Saito, Toshiki Watanabe, Tomoki Uchiyama, Kentaro Yamamoto, Yoshiharu Uchimoto, and Tsuyoshi Takami
Appl. Phys. Lett., 2022, 120, 182404
DOI: 10.1063/5.0088023

[8] State of the Active Site in La1xSrxCoO3δ Under Oxygen Evolution Reaction Investigated by Total-Reflection Fluorescence X-Ray Absorption Spectroscopy
Yadan Ren, Jun Oyama, Tomoki Uchiyama, Yuki Orikasa, Toshiki Watanabe, Kentaro Yamamoto, Tsuyoshi Takami, Yoshinori Nishiki, Shigenori Mitsushima, and Yoshiharu Uchimoto
ACS Applied Energy Materials, 2022, 5, 4108 – 4116
DOI: 10.1021/acsaem.1c03327

[7] Improvement of Visible-Light H2 Evolution Activity of Pb2Ti2O5.4F1.2 Photocatalyst by Coloading of Rh and Pd Cocatalysts
Kenta Aihara, Kosaku Kato, Tomoki Uchiyama, Shuhei Yasuda, Toshiyuki Yokoi, Akira Yamakata, Yoshiharu Uchimoto, and Kazuhiko Maeda
Chem. Eur. J., 2022, e202200875
DOI: 10.1002/chem.202200875

[6] Fast fluoride ion conduction of ­NH4(Mg1‐xLix)F3‐x and ­(NH4)2(Mg1‐xLix)F4‐x assisted by molecular cations
Kota Motohashi, Yosuke Matsukawa, Takashi Nakamura, Yuta Kimura, Naoaki Kuwata, Yoshiharu Uchimoto, Koji Amezawa
Scientific Reports, 2022, 12, 5955
DOI: 10.1038/s41598-022-09835-0

[5] Multiscale and hierarchical reaction mechanism in a lithium-ion battery
Yuki Orikasa, Kentaro Yamamoto, Takeshi Shimizu, and Yoshiharu Uchimoto
Chemical Physics Reviews, 2022, 3, 1, 011305
DOI: 10.1063/5.0062329

[4] Studies on the Inhibition of Lithium Dendrite Formation in Sulfide Solid Electrolytes Doped with LiX (X=Br, I)
Seunghoon Yang, Masakuni Takahashi, Kentaro Yamamoto, Koji Ohara, Toshiki Watanabe, Tomoki Uchiyama, Tsuyoshi Takami, Atsushi Sakuda, Akitoshi Hayashi, Masahiro Tatsumisago, Yoshiharu Uchimoto
Solid State Ionics, 2022, 377, 115869
DOI: 10.1016/j.ssi.2022.115869

[3] Magnetic Compton scattering study of Li-rich battery materials
Kosuke Suzuki, Yuji Otsuka, Kazushi Hoshi, Hiroshi Sakurai, Naruki Tsuji, Kentaro Yamamoto, Naoaki Yabuuchi, Hasnain Hafiz, Yuki Orikasa, Yoshiharu Uchimoto, Yoshiharu Sakurai, Venkatasubramanian Viswanathan, Arun Bansil, and Bernardo Barbiellini
Condensed Matter, 2022, 7, 1, 4
DOI: 10.3390/condmat7010004

[2] Anion substitution at apical sites of Ruddlesden–Popper-type cathodes toward high power density for all-solid-state fluoride ion battery
Yanchang Wang, Kentaro Yamamoto, Yoshihiro Tsujimoto, Toshiyuki Matsunaga, Datong Zhang, Zulai Cao, Koji Nakanishi, Tomoki Uchiyama, Toshiki Watanabe, Tsuyoshi Takami, Hidenori Miki, Shinji Nakanishi, Hideki Iba, Kazuhiko Maeda, Hiroshi Kageyama, and Yoshiharu Uchimoto
Chemistry of Materials, 2022, 34, 2, 609 – 616
DOI: 10.1021/acs.chemmater.1c03189

[1] High Rate Capability from Graphite Anode through Surface Modification with Lithium Iodide for All-solid-state Batteries
Seunghoon Yang, Kentaro Yamamoto, Xiaohan Mei, Atsushi Sakuda, Tomoki Uchiyama, Toshiki Watanabe, Tsuyoshi Takami, Akitoshi Hayashi, Masahiro Tatsumisago, Yoshiharu Uchimoto
ACS Appl. Energy Mater., 2022, 5, 1, 667 – 673
DOI: 10.1021/acsaem.1c03166

2021

[24] Quadruple perovskite oxides CaMn7O12 proceed by two-active-site reaction mechanism for oxygen evolution reaction
Yadan Ren, Kodai Kashihara, Tomoki Uchiyama, Yuki Orikasa, Toshiki Watanabe, Kentaro Yamamoto, Tsuyoshi Takami, Toshiyuki Matsunaga, Yoshinori Nishiki, Shigenori Mitsushima, Yoshiharu Uchimoto
ChemElectroChem, 2021, 8, 23, 4605 – 4611
DOI: 10.1002/celc.202101228

[23] Accelerated lithium ions diffusion at the interface between LiFePO4 electrode and electrolyte by surface-nitride treatment
Kentaro Yamamoto, Takahiro Yoshinari, Akihide Kuwabara, Eri Kato, Yuki Orikasa, Koji Nakanishi, Tomoki Uchiyama, Kazuhiko Maeda, Hiroshi Kageyama, Toshiaki Ohta, Yoshiharu Uchimoto
Solid State Ionics, 2021, 375, 115792
DOI: 10.1016/j.ssi.2021.115792

[22] Reversible and Fast (De)fluorination of High-capacity Cu2O Cathode: One Step Toward Practically Applicable All-solid-state Fluoride-ion Battery
Datong Zhang, Kentaro Yamamoto, Yanchang Wang, Shenghan Gao, Tomoki Uchiyama, Toshiki Watanabe, Tsuyoshi Takami, Toshiyuki Matsunaga, Koji Nakanishi, Hidenori Miki, Hideki Iba, Koji Amezawa, Kazuhiko Maeda, Hiroshi Kageyama, Yoshiharu Uchimoto
Adv. Energy Mater., 2021, 11, 2102285
DOI: 10.1002/aenm.202102285

[21] Probing the Dissolved Gas Concentration on the Electrode through Laser-Assisted Bubbles
Kota Ando, Yoshiharu Uchimoto, Takashi Nakajima
J. Phys. Chem. C, 2021, 125, 38, 20952 – 20957
DOI: 10.1021/acs.jpcc.1c06816

[20] Quantitative Evaluation of the Activity of Low Spin Tetravalent Nickel Ion Site for Oxygen Evolution Reaction
Ren, Yadan; Horiguchi, Tomoya; Uchiyama, Tomoki; Orikasa, Yuki; Watanabe, Toshiki; Yamamoto, Kentaro; Takami, Tsuyoshi; Matsunaga, Toshiyuki; Nishiki, Yoshinori; Mitsushima, Shigenori; Uchimoto, Yoshiharu
ACS Appl. Energy Mater., 2021, 4, 10, 10731 – 10738
DOI: 10.1021/acsaem.1c01719

[19] Mixed Alkali-Ion Transport and Storage in Atomic-Disordered Honeycomb Layered NaKNi2TeO6
Titus Masese, Yoshinobu Miyazaki, Josef Rizell, Godwill Kanyolo, Chih-Yao Chen, Hiroki Ubukata, Keigo Kubota, Kartik Sau, Tamio Ikeshoji, Zhen-Dong Huang, Kazuki Yoshii, Teruo Takahashi, Miyu Ito, Hiroshi Senoh, Jinkwang Hwang, Abbas Alshehabi, Kazuhiko Matsumoto, Toshiyuki Matsunaga, Kotaro Fujii, Masatomo Yashima, Masahiro Shikano, Cédric Tassel, Hiroshi Kageyama, Yoshiharu Uchimoto, Rika Hagiwara, and Tomohiro Saito
Nat. Commun., 2021, 12, 4660
DOI: 10.1038/s41467-021-24694-5

[18] Rate-determining Process at Electrode/electrolyte Interfaces for All-solid-state Fluoride-ion Batteries
Datong Zhang, Hiroyuki Nakano, Kentaro Yamamoto, Kenta Tanaka, Tatsuma Yahara, Kazuyuki Imai, Takuya Mori, Hidenori Miki, Shinji Nakanishi, Hideki Iba, Toshiki Watanabe, Tomoki Uchiyama, Koji Amezawa, Yoshiharu Uchimoto
ACS Appl. Mater. Interfaces, 2021, 13, 25, 30198 – 30204
DOI: 10.1021/acsami.1c06947

[17] Tomographic reconstruction of oxygen orbitals in lithium-rich battery materials
Hasnain Hafiz, Kosuke Suzuki, Bernardo Barbiellini, Naruki Tsuji, Naoaki Yabuuchi, Kentaro Yamamoto, Yuki Orikasa, Yoshiharu Uchimoto, Yoshiharu Sakurai, Hiroshi Sakurai, Arun Bansil & Venkatasubramanian Viswanathan
Nature, 2021, 594, 213 – 216
DOI: 10.1038/s41586-021-03509-z

[16] Investigation of the Suppression of Dendritic Lithium Growth with a Lithium-Iodide-Containing Solid Electrolyte
Takahashi, Masakuni; Watanabe, Toshiki; Yamamoto, Kentaro; Ohara, Koji; Sakuda, Atsushi; Kimura, Takuya; Yang, Seunghoon; Nakanishi, Koji; Uchiyama, Tomoki; Kimura, Masao; Hayashi, Akitoshi; Tatsumisago, Masahiro; Uchimoto, Yoshiharu
Chem. Mater., 2021, 33, 4907 – 4914
DOI: 10.1021/acs.chemmater.1c00270

[15] Impact of the composition of alcohol/water dispersion on proton transport and morphology of cast perfluorinated sulfonic acid ionomers thin films
Gao, Xiao; Yamamoto, Kentaro; Hirai, Tomoyasu; Ohta, Noboru; Uchiyama, Tomoki; Watanabe, Toshiki; Imai, Hideto; Sugawara, Seiho; Shinohara, Kazuhiko; Uchimoto, Yoshiharu
ACS Omega, 2021, 6, 22, 14130 – 14137
DOI: 10.1021/acsomega.1c00607

[14] Compton Scattering Imaging of Liquid Water in Porous Carbon-based Materials
Naruki Tsuji, Yoichiro Tsuji, Yoshiharu Uchimoto, Hideto Imai, Yoshiharu Sakurai
Appl. Sci., 2021, 11, 9, 3851
DOI: 10.3390/app11093851

[13] Cu–Pb Nanocomposite Cathode Material toward Room-Temperature Cycling for All-Solid-State Fluoride-Ion Battery
Datong Zhang, Takahiro Yoshinari, Kentaro Yamamoto, Yuya Kitaguchi, Aika Ochi, Koji Nakanishi, Hidenori Miki, Shinji Nakanishi, Hideki Iba, Toshiki Watanabe, Tomoki Uchiyama, Yuki Orikasa, Koji Amezawa, Yoshiharu Uchimoto
ACS Appl. Energy Mater., 2021, 4, 4, 3352 – 3357
DOI: 10.1021/acsaem.0c03087

[12] Kinetic Analysis and Alloy Designs for Metal/Metal Fluorides toward High Rate Capability for All-solid-state Fluoride Ion Batteries
Takahiro Yoshinari, Datong Zhang, Kentaro Yamamoto, Yuya Kitaguchi, Aika Ochi, Koji Nakanishi, Hidenori Miki, Shinji Nakanishi, Hideki Iba, Tomoki Uchiyama, Toshiki Watanabe, Toshiyuki Matsunaga, Koji Amezawa and Yoshiharu Uchimoto
J. Mater. Chem. A, 2021, 9, 7018 – 7024
DOI: 10.1039/D0TA12055C

[11] High Ionic Conductivity of Liquid-Phase Synthesized Li3PS4 Solid Electrolyte Comparable to that of Ball Milling
Kentaro Yamamoto, Seunghoon Yang, Masakuni Takahashi, Koji Ohara, Tomoki Uchiyama, Toshiki Watanabe, Atsushi Sakuda, Akitoshi Hayashi, Masahiro Tatsumisago, Hiroyuki Muto, Atsunori Matsuda, Yoshiharu Uchimoto
ACS Appl. Energy Mater., 2021, 4, 3, 2275 – 2281
DOI: 10.1021/acsaem.0c02771

[10] Phase transition behavior of MgMn2O4 spinel oxide cathode during magnesium ion insertion
Feilure Tuerxun, Saeko Otani, Kentaro Yamamoto, Toshiyuki Matsunaga, Hiroaki Imai, Toshihiko Mandai, Toshiki Watanabe, Tomoki Uchiyama, Kiyoshi Kanamura, Yoshiharu Uchimoto
Chem. Mater., 2021, 33, 3, 1006 – 1012
DOI: 10.1021/acs.chemmater.0c04194

[9] Improvement of lithium ionic conductivity of Li3PS4 by suppressing crystallization using low boiling point solvent in liquid phase synthesis
Masakuni Takahashi, Seunghoon Yang, Kentaro Yamamoto, Koji Ohara, Nguyen Huu Huy Phuc, Toshiki Watanabe, Tomoki Uchiyama, Atsushi Sakuda, Akitoshi Hayashi, Masahiro Tatsumisago, Hiroyuki Muto, Atsunori Matsuda, Yoshiharu Uchimoto
Solid State Ionics, 2021, 361, 115568
DOI: 10.1016/j.ssi.2021.115568

[8] operando X-ray absorption spectroscopic study on influence of specific adsorption of sulfo group in perfluorosulfonic acid ionomer on the oxygen reduction reaction activity of Pt/C catalyst
Liu, Chen; Uchiyama, Tomoki; Nagata, Noriyuki; Arao, Masazumi; Yamamoto, Kentaro; Watanabe, Toshiki; Gao, Xiao; Imai, Hideto; Katayama, Syota; Sugawara, Seiho; Shinohara, Kazuhiko; Oshima, Koichiro; Sakurai, Shigeki; Uchimoto, Yoshiharu
ACS Appl. Energy Mater., 2021, 4, 2, 1143 – 1149
DOI: 10.1021/acsaem.0c02326

[7] Fluoride-ion Shuttle Battery with High Volumetric Energy Density
Hiroyuki, Nakano; Toshiyuki, Matsunaga; Takuya, Mori; Koji, Nakanishi; Yoshiyuki, Morita; Kazuto, Ide; Ken-ichi, Okazaki; Yuki, Orikasa; Taketoshi, Minato; Kentaro, Yamamoto; Zempachi, Ogumi; Yoshiharu, Uchimoto
Chem. Mater., 2021, 33, 1, 459 – 466
DOI: 10.1021/acs.chemmater.0c04570

[6] Hydride-based antiperovskites with soft anionic sublattices as fast alkali ionic conductors
Shenghan Gao, Thibault Broux, Susumu Fujii, Cédric Tassel, Kentaro Yamamoto, Yao Xiao, Hiroki Ubukata, Yuki Watanabe, Kotaro Fujii, Masatomo Yashima, Akihide Kuwabara, Yoshiharu Uchimoto, Hiroshi Kageyama
Nat. Commun., 2021, 12, 201
DOI: 10.1038/s41467-020-20370-2

[5] Understanding the Reaction Mechanism and Performances of 3d Transition Metal Cathodes for All-solid-state Fluoride Ion Batteries
Datong Zhang, Kentaro Yamamoto*, Aika Ochi, Yanchang Wang, Takahiro Yoshinari, Koji Nakanishi, Hiroyuki Nakano, Hidenori Miki, Shinji Nakanishi, Hideki Iba, Tomoki Uchiyama, Toshiki Watanabe, Yuki Orikasa, Koji Amezawa, Yoshiharu Uchimoto
J. Mater. Chem. A, 2021, 9, 406 – 412
DOI: 10.1039/D0TA08824B

[4] Effect of Temperature on Oxygen Reduction Reaction Kinetics for Pd Core – Pt Shell Catalyst with different core size
Liu, Chen; Uchiyama, Tomoki; Yamamoto, Kentaro; Watanabe, Toshiki; Gao, Xiao; Imai, Hideto; Matsumoto, Masashi; Sugawara, Seiho; Shinohara, Kazuhiko; Oshima, Koichiro; Sakurai, Shigeki; Uchimoto, Yoshiharu
ACS Appl. Energy Mater., 2021, 4, 1, 810 – 818
DOI: 10.1021/acsaem.0c02708

[3] Comparison of sulfur cathode reactions between concentrated liquid electrolyte system and solid-state electrolyte system by soft X-ray absorption spectroscopy
Yao Xiao, Kentaro Yamamoto, Yukiko Matsui, Toshiki Watanabe, Atsushi Sakuda, Koji Nakanishi, Tomoki Uchiyama, Akitoshi Hayashi, Shoso Shingubara, Masahiro Tatsumisago, Masashi Ishikawa, Masayoshi Watanabe and Yoshiharu Uchimoto
ACS Appl. Energy Mater., 2021, 4, 1, 186 – 193
DOI: 10.1021/acsaem.0c02063

[2] Rocksalt type Li2Nb0.15Mn0.85O3 without structure degradation or redox evolution upon cycling
Aierxiding Abulikemu, Toshiyuki Matsunaga, Aruto Watanabe, Kentaro Yamamoto, Tomoki Uchiyama, Koji Nakanishi, Shogo Kawaguchi, Keiichi Osaka, Yoshiharu Uchimoto
J. Alloy and Compound, 2021, 853, 156984
DOI: 10.1016/j.jallcom.2020.156984

[1] operando X-ray absorption spectroscopic study on the effect of ionic liquid coverage upon the oxygen-reduction reaction activity of Pd-core Pt-shell catalysts
Chen Liu, Tomoki Uchiyama, Jyunichi Ishihara, Kentaro Yamamoto, Toshiki Watanabe, Hideto Imai, Koichiro Oshima, Shigeki Sakurai, Minoru Inaba, Yoshiharu Uchimoto
Electrochemistry,, 2021, 89, 1, 31 – 35
DOI: 10.5796/electrochemistry.20-00122

2020

[31] Nanostructured LiMnO2 with Li3PO4 Integrated at Atomic Scale for High-Energy Electrode Materials with Reversible Anionic Redox
Miho Sawamura, Sho Kobayakawa, Jun Kikkawa, Neeraj Sharma, Damian Goonetilleke, Aditya Rawal, Nanaka Shimada, Kentaro Yamamoto, Rina Yamamoto, Yingying Zhou, Yoshiharu Uchimoto, Koji Nakanishi, Kei Mitsuhara, Koji Ohara, Jiwon Park, Hye Ryung Byon, Hiroaki Koga, Masaki Okoshi, Toshiaki Ohta, and Naoaki Yabuuchi
ACS Central Science, 2020, 6, 12, 2326 – 2338
DOI: 10.1021/acscentsci.0c01200

[30] Effect of Interaction among Magnesium Ions, Anion and Solvent on Kinetics of Magnesium Deposition Process
Tuerxun, Feilure; Yamamoto, Kentaro; Mandai, Toshihiko; Tateyama, Yoshitaka; Nakanishi, Koji ; Uchiyama, Tomoki; Watanabe, Toshiki; Tamenori, Yusuke; Kanamura, Kiyoshi; Uchimoto, Yoshiharu
J. Phys. Chem. C, 2020, 124, 52, 28510 – 28519
DOI: 10.1021/acs.jpcc.0c08268

[29] Concentration profile of dissolved gas during hydrogen gas evolution: an optical approach
Kota Ando, Yoshiharu Uchimoto and Takashi Nakajima
Chem. Commun., 2020, 56, 14483 – 14486
DOI: 10.1039/D0CC05695B

[28] Disordered Cubic Spinel Structure in the Delithiated Li2MnO3 Revealed by Difference Pair Distribution Function Analysis
Masatsugu Oishi, Keiji Shimoda, Koji Ohara, Daiki Kabutan, Tomoya Kawaguchi, Yoshiharu Uchimoto
The Journal of Physical Chemistry C, 2020, 124, 44, 24081 – 24089
DOI: 10.1021/acs.jpcc.0c07124

[27] Evaluation of oxygen contribution on delithiation process of Li rich layered 3d transition metal oxides
Masatsugu Oishi, Keiji Shimoda, Sojiro Okada, Ryoshi Imura, Keisuke Yamanaka, Hisao Yamashige, Hitoshi Mizuguchi, Iwao Watanabe, Yoshiharu Uchimoto, Toshiaki Ohta
Materials Today Communications, 2020, 25, 101673
DOI: 10.1016/j.mtcomm.2020.101673

[26] The effect of cation mixing in LiNiO2 toward oxygen evolution reaction
Yadan Ren, Yamaguchi Ryusei, Tomoki Uchiyama, Yuki Orikasa, Toshiki Watanabe, Kentaro Yamamoto, Toshiyuki Matsunaga, Yoshinori Nishiki, Shigenori Mitsushima, Yoshiharu Uchimoto
ChemElectroChem, 2020, 7, 1 – 8
DOI: 10.1002/celc.202001207

[25] Operando soft X-ray absorption spectroscopic study on microporous carbon-supported sulfur cathodes
Yao Xiao, Kentaro Yamamoto, Yukiko Matsui, Toshiki Watanabe, Koji Nakanishi, Tomoki Uchiyama, Shoso Shingubara, Masashi Ishikawa, Masayoshi Watanabe, Yoshiharu Uchimoto
RSC Advances, 2020, 10, 39875 – 39880
DOI: 10.1039/D0RA08299F

[24] Surface Analysis of Lanthanum Strontium Cobalt Oxides under Cathodic Polarization at High Temperature through Operando Total-reflection X-ray Absorption and X-ray Fluorescence Spectroscopy
Yoichiro Tsuji, Yuki Orikasa, Shinnosuke Sako, Kiyofumi Nitta, Kentaro Yamamoto, Yang Shao-horn, Yoshiharu Uchimoto
Solid State Ionics, 2020, 357, 115502
DOI: 10.1016/j.ssi.2020.115502

[23] Investigation of Cathodic Reaction Mechanism in Solid Oxide Fuel Cells by operando X-Ray Absorption Spectroscopy
Yoichiro Tsuji, Koji Amezawa, Takayuki Nakao, Toshiaki Ina, Tatsuya Kawada, Kentaro Yamamoto, Yoshiharu Uchimoto, Yuki Orikasa
Electrochemistry, 2020, 88, 560 – 565
DOI: 10.5796/electrochemistry.20-00108

[22] Relationship between rate performance and electronic/structural changes during oxygen redox of lithium-rich 4d/3d transition metal oxides
Aruto Watanabe, Kentaro Yamamoto, Yuki Orikasa, Masatsugu Oishi, Koji Nakanishi, Tomoki Uchiyama, Toshiyuki Matsunaga, Yoshiharu Uchimoto
Solid State Ionics, 2020, 357, 115459
DOI: 10.1016/j.ssi.2020.115459.

[21] Substrate-dependent proton transport and nanostructural orientation of perfluorosulfonic acid polymer thin films on Pt and carbon substrate
Xiao Gao, Kentaro Yamamoto, Tomoyasu Hirai, Noboru Ohta, Tomoki Uchiyama, Toshiki Watanabe, Masakuni Takahashi, Naoki Takao, Hideto Imai, Seiho Sugawara, Kazuhiko Shinohara, and Yoshiharu Uchimoto
Solid State Ionics, 2020, 357, 115456
DOI: 10.1016/j.ssi.2020.115456

[20] Synthesis of Sulfide Solid Electrolytes through the Liquid Phase: Optimization of the Preparation Conditions
Kentaro Yamamoto, Masakuni Takahashi, Koji Ohara, Suzuki Hiromu, Nguyen Huu Huy Phuc, Tomoki Uchiyama, Atsushi Sakuda, Akitoshi Hayashi, Masahiro Tatsumisago, Hiroyuki Muto, Atsunori Matsuda, Yoshiharu Uchimoto
ACS Omega, 2020, 5, 40, 26287 – 26294
DOI: 10.1021/acsomega.0c04307

[19] Structure-Activity Relationship in a Cobalt Aluminate Nanoparticle Cocatalyst with a Graphitic Carbon Nitride Photocatalyst for Visible-Light Water Oxidation
Tomoki Kanazawa, Ryusei Yamaguchi, Tomoki Uchiyama, Daling Lu, Shunsuke Nozawa, Yoshiharu Uchimoto, and Kazuhiko Maeda
ChemPhotoChem, 2020, 4, 1 – 7
DOI: 10.1002/cptc.202000086

[18] Influence of Active-Material Loading on Electrochemical Reactions in Composite Solid-State Battery Electrodes Revealed by Operando 3D CT-XANES Imaging
Kimura, Yuta; Fakkao, Mahunnop; Nakamura, Takashi; Okumura, Toyoki; Ishiguro, Nozomu; Sekizawa, Oki; Nitta, Kiyofumi; Uruga, Tomoya; Tada, Mizuki; Uchimoto, Yoshiharu; Amezawa, Koji
ACS Applied Energy Materials , 2020, 3, 8, 7782 – 7793
DOI: 10.1021/acsaem.0c01186

[17] Observation of liquid phase synthesis of sulfide solid electrolytes using time-resolved pair distribution function analysis
Koji Ohara, Naoya Masuda, Hiroshi Yamaguchi, Atsushi Yao, Satoshi Tominaka, Hiroki Yamada, Satoshi Hiroi, Masakuni Takahashi, Kentaro Yamamoto, Toru Wakihara, Yoshiharu Uchimoto, Futoshi Utsuno, and Shigeru Kimura
Physica Status Solidi B, 2020, 2000106,

[16] Single-shot laser scattering technique refined for the real-time monitoring and sizing of individual nanoparticles and nanobubbles in bulk water
Kota Ando, Yoshiharu Uchimoto, Takashi Nakajima
Optics Letters, 2020, 45, 12, 3321 – 3324

[15] Enhanced Performance Induced by Phase Transition of Li2FeSiO4 upon Cycling at High Temperature
Masese, Titus; Orikasa, Yuki; Yamamoto, Kentaro; Hori, Yosuke; Hagiwara, Rika; Uchimoto, Yoshiharu
ACS Applied Energy Materials, 2020, 3, 6, 5722 – 5727
DOI: 10.1021/acsaem.0c00668

[14] Determining Factor on Polarization Behavior of Magnesium Deposition for Magnesium Battery Anode
Tuerxun, Feilure; Yamamoto, Kentaro; Hattori, Masashi; Mandai, Toshihiko; Nakanishi, Koji; Choudhary, Ashu; Tateyama, Yoshitaka; Sodeyama, Keitaro; Nakao, Aiko; Uchiyama, Tomoki; Matsui, Masaki; Tsuruta, Kazuki; Tamenori, Yusuke; Kanamura, Kiyoshi; Uchimoto, Yoshiharu
ACS Applied Materials & Interfaces, 2020, 12, 23, 25775 – 25785
DOI: 10.1021/acsami.0c03696

[13] Capacity Improvement by Nitrogen-doping to Lithium Rich Cathode Materials with Stabilization Effect of Oxide Ions Redox
Watanabe, Aruto; Yamamoto, Kentaro; Uchiyama, Tomoki; Matsunaga, Toshiyuki; Hayashi, Akitoshi; Maeda, Kazuhiko; Kageyama, Hiroshi; Uchimoto, Yoshiharu
ACS Applied Energy Materials, 2020, 3, 5, 4162 – 4167
DOI: 10.1021/acsaem.0c00564

[12] 3D Operando Imaging and Quantification of Inhomogeneous Electrochemical Reactions in Composite Battery Electrodes
Kimura, Yuta; Tomura, Aina; Fakkao, Mahunnop; Nakamura, Takashi; Ishiguro, Nozomu; Sekizawa, Oki; Nitta, Kiyofumi; Uruga, Tomoya; Okumura, Toyoki; Tada, Mizuki; Uchimoto, Yoshiharu; Amezawa, Koji
The Journal of Physical Chemistry Letters , 2020, 11, 9, 3629 – 3636
DOI: 10.1021/acs.jpclett.0c00876

[11] Activation of a Pt-loaded Pb2Ti2O5.4F1.2 photocatalyst by alkaline chloride treatment for improved H2 evolution under visible light
Haruki Wakayama, Kosaku Kato, Kodai Kashihara, Tomoki Uchiyama, Akinobu Miyoshi, Hiroko Nakata, Daling Lu, Kengo Oka, Akira Yamakata, Yoshiharu Uchimoto, Kazuhiko Maeda
J. Mater. Chem. A, 2020, 8, 9099 – 9108
DOI: 10.1039/D0TA02883E

[10] Cobalt Aluminate Spinel as a Cocatalyst for Photocatalytic Oxidation of Water: Significant Hole-Trapping Effect
Tomoki Kanazawa, Kosaku Kato, Ryusei Yamaguchi, Tomoki Uchiyama, Daling Lu, Shunsuke Nozawa, Akira Yamakata, Yoshiharu Uchimoto, Kazuhiko Maeda
ACS Catal. , 2020, 10, 4960 – 4966
DOI: 10.1021/acscatal.0c00944

[9] A reversible oxygen redox reaction in bulk-type all-solid-state batteries
Atsushi Sakuda, Kenji Nagao, Yuka Nagata, Minako Deguchi, Chie Hotehama, Hirofumi Tsukasaki, Shigeo Mori, Kentaro Yamamoto, Yuki Orikasa Yoshiharu Uchimoto, Akitoshi Hayashi, Masahiro Tatsumisago
Science Advances, 2020, 6, 25, eaax7236
DOI: 10.1126/sciadv.aax7236

[8] Reaction Mechanism of Electrochemical Insertion/Extraction of Magnesium Ions in Olivine-type FePO4
Aruto Watanabe, Kentaro Yamamoto, Yuki Orikasa, Titus Masese, Takuya Mori, Tomoki Uchiyama, Toshiyuki Matsunaga, Yoshiharu Uchimoto
Solid State Ionics, 2020, 349, 115311,
DOI: 10.1016/j.ssi.2020.115311

[7] Morphology Changes in Perfluorosulfonated Ionomer from Thickness and Thermal Treatment conditions
Xiao Gao; Kentaro Yamamoto; Tomoyasu Hirai; Tomoki Uchiyamai; Noboru Ohta; Naoki Takao; Masashi Matsumoto; Hideto Imai; Seiho Sugawara; Kazuhiko Shinohara; Yoshiharu Uchimoto
Langmuir, 2020, 36, 14, 3871 – 3878
DOI: 10.1021/acs.langmuir.9b03564

[6] Thickness-induced metal to insulator transition in Ru nanosheets probed by photoemission spectroscopy: Effects of disorder and Coulomb interaction
Daiki Ootsuki, Kenjiro Kodera, Daiya Shimonaka, Masashi Arita, Hirofumi Namatame, Masaki Taniguchi, Makoto Minohara, Koji Horiba, Hiroshi Kumigashira, Eiji Ikenaga, Akira Yasui, Yoshiharu Uchimoto, Satoshi Toyoda, Masahito Morita, Katsutoshi Fukuda & Teppei Yoshida
Scientific Reports, 2020, 10, 1541,
DOI: 10.1038/s41598-020-58057-9

[5] Noncrystalline Nanocomposites as a Remedy for the Low Diffusivity of Multivalent Ions in Battery Cathodes
Yuki Orikasa, Kazuaki Kisu, Etsuro Iwama, Wako Naoi, Yusuke Yamaguchi, Yoshitomo Yamaguchi, Naohisa Okita, Koji Ohara, Toshiyuki Munesada, Masashi Hattori, Kentaro Yamamoto, Patrick Rozier, Patrice Simon, Katsuhiko Naoi
Chem. Mater., 2020, 32, 3, 1011 – 1021
DOI: 10.1021/acs.chemmater.9b03665

[4] Reviving Galvanic Cells to Synthesize Core-Shell Nanoparticles with Quasi-Monolayer Pt Shell for Electrocatalytic Oxygen Reduction
Wang, Xiao-Ming; Orikasa, Yuki; Inaba, Minoru; Uchimoto, Yoshiharu
ACS Catalysis, 2020, 10, 1, 430 – 434
DOI: 10.1021/acscatal.9b03672

[3] Charge Compensation Mechanism of Lithium-excess Metal Oxides with Different Covalent and Ionic Characters revealed by operando Soft and Hard X-ray Absorption Spectroscopy
Kentaro Yamamoto, Yingying Zhou, Naoaki Yabuuchi, Koji Nakanishi, Takahiro Yoshinari, Takanori Kobayashi, Yuki Kobayashi, Rina Yamamoto, Aruto Watanabe, Yuki Orikasa, Kazuki Tsuruta, Jiwon Park, Hye Ryung Byon, Yusuke Tamenori, Toshiaki Ohta, Yoshiharu Uchimoto
Chem. Mater., 2020, 32, 1, 139 – 147
DOI: 10.1021/acs.chemmater.9b02838

[2] Structural analysis of imperfect Li2TiO3 crystals
Aruto Watanabe, Toshiyuki Matsunaga, Aierxiding Abulikemu, Keiji Shimoda, Kentaro Yamamoto, Tomoki Uchiyama, Yoshiharu Uchimoto
J. Alloy and Compound, 2020, 819, 153037
DOI: 10.1016/j.jallcom.2019.153037

[1] Observation of subsurface structure of Pt/C catalyst using Pair Distribution Function and simple modeling techniques
Takahashi, Masakuni; Ohara, Koji; Yamamoto, Kentaro; Uchiyama, Tomoki; Tanida, Hajime; Itoh, Takanori; Imai, Hideto; Sugawara, Seiho; Shinohara, Kazuhiko; Uchimoto, Yoshiharu
Bulletin of the Chemical Society of Japan, 2020, 93, 37 – 42
DOI: 10.1246/bcsj.20190256

2019

[11] Electrochemical phase transformation accompanied with Mg extraction and insertion in spinel MgMn cathode material
T.Hatakeyama, N. L. Okamoto, K. Shimokawa, H. Li, A. Nakao, Y. Uchimoto, H. Tanimura, T. Kawaguchi, T. Ichitsubo
Physical Chemistry Chemical Physics, 2019, 21, 23749 – 23757
DOI: 10.1039/C9CP04461B

[10] Identification of ferrimagnetic orbitals preventing spinel LixMn2O4 degradation by charge ordering
Hasnain Hafiz, Kosuke Suzuki, Bernardo Barbiellini, Yuki Orikasa, Stanislaw Kaprzyk, Naruki Tsuji, Kentaro Yamamoto, Ayumu Terasaka, Kazushi Hoshi, Yoshiharu Uchimoto, Yoshiharu Sakurai, Hiroshi Sakurai, and Arun Bansil
Phys. Rev. B, 2019, 100, 205104
DOI: 10.1103/PhysRevB.100.205104

[9] High Anionic Conductive Form of PbxSn2-xF4
Miwa Murakami, Yoshiyuki Morita, Masao Yonemura, Keiji Shimoda, Masahiro Mori, Yukinori Koyama, Tomoya Kawaguchi, Katsutoshi Fukuda, Yoshihisa Ishikawa, Takashi Kamiyama, Yoshiharu Uchimoto, Zempachi Ogumi
Chemistry of Materials, 2019, 31, 18, 7704 – 7710
DOI: 10.1021/acs.chemmater.9b02623

[8] Structural environment of chloride ion‐conducting solids based on lanthanum oxychloride
Naoyoshi Nunotani, Muhammad Radzi Iqbal Bin Misran, Miki Inada, Tomoki Uchiyama, Yoshiharu Uchimoto, Nobuhito Imanaka
Journal of the American Ceramic Society, 2019, 1 – 7
DOI: 10.1111/jace.16727

[7] Quantitative elucidation of the non-equilibrium phase transition in LiFePO4 via the intermediate phase
Yoshinari, Takahiro; Mori, Takuya; Otani, Kazufumi; Munesada, Toshiyuki; Yamamoto, Kentaro; Uchiyama, Tomoki; Fukuda, Katsutoshi; Koyama, Yukinori; Hagiwara, Rika; Orikasa, Yuki; Uchimoto, Yoshiharu
Chemistry of Materials, 2019, 31, 18, 7160 – 7166
DOI: 10.1021/acs.chemmater.9b00834

[6] Influence of microstructures on conductivity in Tysonite-type fluoride ion conductors
K. Motohashi, T. Nakamura, Y. Kimura, Y. Uchimoto, K. Amezawa
Solid State Ionics, 2019, 338, 113 – 120
DOI: 10.1016/j.ssi.2019.05.023

[5] Oxygen‐Doped Ta3N5 Nanoparticles for Enhanced Z‐Scheme CO2 Reduction with a Binuclear Ru(II) Complex under Visible Light
Kanemichi Muraoka, Junie Jhon M. Vequizo, Ryo Kuriki, Akira Yamakata, Tomoki Uchiyama, Daling Lu, Yoshiharu Uchimoto, Osamu Ishitani, and Kazuhiko Maeda
ChemPhotoChem, 2019, 3, 1 – 8
DOI: 10.1002/cptc.201900120

[4] Exothermal mechanisms in the charged LiNi1/3Mn1/3Co1/3O2 electrode layers for sulfide-based all-solid-state lithium batteries
Hirofumi Tsukasaki, Tomoki Uchiyama, Kentaro Yamamoto, Shigeo Mori, Yoshiharu Uchimoto, Akitoshi Hayashi, Masahiro Tatsumisago
Journal of Power Sources, 2019, 434, 226714
DOI: 10.1016/j.jpowsour.2019.226714

[3] Solar Water Oxidation by a Visible‐Light‐Responsive Tantalum/Nitrogen‐Codoped Rutile Titania Anode for Photoelectrochemical Water Splitting and Carbon Dioxide Fixation
A. Nakada, T. Uchiyama, N. Kawakami, S. Nishioka, R. Kamata, H. Kumagai, O. Ishitani, Y. Uchimoto, K. Maeda
ChemPhotoChem, 2019, 3, 37 – 45
DOI: 10.1002/cptc.201800157

[2] Operando observation of formation and annihilation ofinhomogeneous reaction distribution in a composite electrode forlithium ion batteries
Takashi Nakamura, Kazuki Chiba, Mahunnop Fakkao, Yuta Kimura, Kiyofumi Nitta, Yasuko Terada, Yoshiharu Uchimoto, Koji Amezawa
Batteries & Supercaps, 2019, 2, 1 – 8
DOI: 10.1002/batt.201900018

[1] Morphological Effect on Reaction Distribution Influenced by Binder Materials in Composite Electrodes for Sheet-type All-Solid-State Lithium-Ion Batteries with Sulfide-based Solid Electrolyte
Kezheng Chen, Sae Shinjo, Atsushi Sakuda, Kentaro Yamamoto, Tomoki Uchiyama, Kentaro Kuratani, Tomonari Takeuchi, Yuki Orikasa, Akitoshi Hayashi, Masahiro Tatsumisago, Yuta Kimura, Takashi Nakamura, Koji Amezawa, Yoshiharu Uchimoto
The Journal of Physical Chemistry C, 2019, 123, 6, 3292 – 3298
DOI: 10.1021/acs.jpcc.8b09569

2018

[19] Mechanistic Insight on the Formation of GaN:ZnO Solid Solution from Zn-Ga Layered Double Hydroxide Using Urea as the Nitriding Agent
Kiyofumi Katagiri, Yuki Hayashi, Risa Yoshiyuki, Kei Inumaru, Tomoki Uchiyama, Noriyuki Nagata, Yoshiharu Uchimoto, Akinobu Miyoshi, Kazuhiko Maeda
Inorganic Chemistry, 2018, 57, 21, 13953 – 13962
DOI: 10.1021/acs.inorgchem.8b02498

[18] High rate performance of dual substituted LiFePO4 based on controlling metastable intermediate phase
Takahiro Yoshinari, Kentaro Yamamoto, Motoaki Nishijima, Katsutoshi Fukuda, Akihide Kuwabara, Isao Tanaka, Kazuhiko Maeda, Hiroshi Kageyama, Yuki Orikasa, and Yoshiharu Uchimoto
ACS Applied Energy Materials, 2018, 1, 6736 – 6740
DOI: 10.1021/acsaem.8b01603

[17] Time-resolved pair distribution function analysis of disordered materials on beamlines BL04B2 and BL08W at SPring-8
Koji Ohara, Satoshi Tominaka, Hiroki Yamada, Masakuni Takahashi, Hiroshi Yamaguchi, Futoshi Utsuno, Takashi Umeki, Atsushi Yao, Kengo Nakada, Michitaka Takemoto, Satoshi Hiroi, Naruki Tsuji, Toru Wakihara
Journal of Synchrotron Radiation, 2018, 25, 1627 – 1633
DOI: 10.1107/S1600577518011232

[16] Role of Coordination Structure of Magnesium Ions on Charge and Discharge Behavior of Magnesium Alloy Electrode
Masashi Hattori, Kentaro Yamamoto, Masaki Matsui, Koji Nakanishi, Toshihiko Mandai, Ashu Choudhary, Yoshitaka Tateyama, Keitaro Sodeyama, Tomoki Uchiyama, Yuki Orikasa, Yusuke Tamenori, Tatsuya Takeguchi, Kiyoshi Kanamura, Yoshiharu Uchimoto
The Journal of Physical Chemistry C, 2018, 122, 44, 25204 – 25210
DOI: 10.1021/acs.jpcc.8b08558

[15] Effect of Introducing Interlayers into Electrode/Electrolyte Interface in All-Solid-State Battery Using Sulfide Electrolyte
Kezheng Chen, Kentaro Yamamoto, Yuki Orikasa, Tomoki Uchiyama, Yusuke Ito, So Yubuchi, Akitoshi Hayashi, Masahiro Tatsumisago, Kiyofumi Nitta, Tomoya Uruga Yoshiharu Uchimoto
Solid State Ionics, 2018, 327, 150 – 156
DOI: 10.1016/j.ssi.2018.10.010

[14] A Reversible Rocksalt to Amorphous Phase Transition Involving Anion Redox
Atsushi Sakuda, Koji Ohara, Tomoya Kawaguchi, Katsutoshi Fukuda, Koji Nakanishi, Hajime Arai, Yoshiharu Uchimoto, Toshiaki Ohta, Eiichiro Matsubara, Zempachi Ogumi, Kentaro Kuratani, Hironori Kobayashi, Masahiro Shikano,Tomonari Takeuchi & Hikari Sakaebe
Scientific Reports, 2018, 8, 15086,
DOI: 10.1038/s41598-018-33518-4

[13] A Visible-Light-Driven Z-scheme CO2 Reduction System Using Ta3N5 and a Ru(II) Binuclear Complex
Muraoka, Kanemichi; Uchiyama, Tomoki; Lu, Daling; Uchimoto, Yoshiharu; Ishitani, Osamu; Maeda, Kazuhiko
Bulletin of the Chemical Society of Japan, 2018, accepted,
DOI: 10.1246/bcsj.20180239

[12] Grain-boundary-rich mesoporous NiTiO3 micro-prism as high tap-density, super rate and long life anode for sodium and lithium ion batteries
Z.-D. Huang, T.-T. Zhang, H. Lu, T. Masese, K. Yamamoto, R.-Q. Liu, X.-J. Lin, X.-M. Feng, X.-M. Liu, D. Wang, Y. Uchimoto, Y.-W. Ma
Energy Storage Materials, 2018, 13, 329 – 339
DOI: 10.1016/j.ensm.2017.08.012

[11] Effects of Interfacial Electron Transfer in Metal Complex−Semiconductor Hybrid Photocatalysts on Z-scheme CO2 Reduction under Visible Light
Akinobu Nakada, Ryo Kuriki, Keita Sekizawa, Shunta Nishioka, Junie Jhon M. Vequizo, Tomoki Uchiyama, Nozomi Kawakami, Daling Lu, Akira Yamakata, Yoshiharu Uchimoto, Osamu Ishitani, Kazuhiko Maeda
ACS Catal., 2018, 8, 10, 9744 – 9754
DOI: 10.1021/acscatal.8b03062.

[9] Dependency of Charge-Discharge Rate on Lithium Reaction Distributions for a Commercial Lithium Coin Cell Visualized by Compton Scattering Imaging
Kosuke Suzuki, Ryo Kanai, Naruki Tsuji, Hisao Yamashige, Yuki Orikasa, Yoshiharu Uchimoto, Yoshiharu Sakurai, Hiroshi Sakurai
Condensed Matter, 2018, 3, 27
DOI: 10.3390/condmat3030027

[8] Site-Selective Analysis of Nickel Substituted Li-Rich Layered Material: Migration and Role of Transition Metal at Charging and Discharging
H. Komatsu, T. Minato, T. Matsunaga, K. Shimoda, T. Kawaguchi, K. Fukuda, K. Nakanishi, H. Tanida, S. Kobayashi, T. Hirayama, Y. Ikuhara, H. Arai, Y. Ukyo, Y. Uchimoto, E. Matsubara, Z. Ogumi
Journal of Physical Chemistry C, 2018, 122, 35, 20099 – 20107
DOI: 10.1021/acs.jpcc.8b05539

[7] Visible-light CO2 reduction over a ruthenium(II)-complex/C3N4 hybrid photocatalyst: the promotional effect of silver species
K Maeda, D An, C Sampath, C Sampath Kumara Ranasinghe, T Uchiyama, R Kuriki, T Kanazawa, D Lu, S Nozawa, A Yamakata, Y Uchimoto, O Ishitani
J. Mater. Chem. A., 2018, 6, 9708 – 9715
DOI: 10.1039/c8ta03245a

[6] Undoped Layered Perovskite Oxynitride Li2LaTa2O6N for Photocatalytic CO2 Reduction with Visible Light
T. Oshima, T. Ichibha, K. Qin, K. Muraoka, K.a,b, J.J.M. Vequizo, K. Hibino, R. Kuriki, S. Yamashita, K. Hongo, T. Uchiyama, K. Fujii, Lu, R. Maezono, A. Yamakata, H. Kato, K. Kimoto, M. Yashima, Y. Uchimoto, M. Kakihana, O. Ishitani, H. Kageyama, K. Maeda
Angewandte Chemie – International Edition, 2018, 57, 27, 8154 – 8158
DOI: 10.1002/anie.201803931

[5] New Precursor Route Using a Compositionally Flexible Layered Oxide and Nanosheets for Improved Nitrogen Doping and Photocatalytic Activity
K Maeda, Y Tokunaga, K Hibino, K Fujii, H Nakaki, T Uchiyama, M Eguchi, D Lu, S Ida, Y Uchimoto, M Yashima
ACS Appl. Energy Mater., 2018, 1, 1734 – 1741
DOI: 10.1021/acsaem.8b00256

[4] Enhancement of Oxygen Reduction Reaction Activity of Pd Core-Pt Shell Structured Catalyst on a Potential Cycling Accelerated Durability Test
N. Aoki, H. Inoue, T. Okawa, Y. Ikehata, A. Shirai, H. Daimon, T. Doi, Y. Orikasa, Y. Uchimoto, H. Jinnai, S. Inamoto, Y. Otsuka, M. Inaba
Electrocatalysis, 2018, 9, 2, 125 – 138
DOI: 10.1007/s12678-017-0399-1

[3] Influence of TiO2 Support on Activity of Co3O4/TiO2 Photocatalysts for Visible-Light Water Oxidation
K. Ishimaki, T. Uchiyama, M. Okazaki, DL. Lu, Y. Uchimoto, K. Maeda
Bull. Chem. Soc., Jpn., 2018, 91, 3, 486 – 491
DOI: 10.1246/bcsj.20170373

[2] Surface analysis of topmost layer of epitaxial layered oxide thin film: Application to delafossite oxide for oxygen evolution reaction
K. Toyoda, H. Adachi, N. Miyata, R. Hinogami, Y. Orikasa, Y. Uchimoto
Surf. Sci., 2018, 668, 93 – 99
DOI: 10.1016/j.susc.2017.10.018

[1] In situ Zn/ZnO mapping elucidating for “shape change” of zinc electrode
A. Nakata, H. Arai, H. Murayama, Fukuda,T. Yamane, T. Hirai, Y. Uchimoto, J-i. Yamaki, Z. Ogumi
APL Mater., 2018, 6, 4, 047703
DOI: 10.1063/1.5011272

2017

[13] Effects of the SrTiO3 support on visible-light water oxidation with Co3O4 nanoparticles
M. Okazaki, M. Eguchi, T. Uchiyama, D. Lu, H. Kato, Y. Uchimoto, M. Kakihana, K. Maeda
Dalton Transactions, 2017, 46, 48, 16959 – 16966
DOI: 10.1039/C7DT03444J

[12] In-operando quantitation of Li concentration for commercial Li-ion rechargeable battery using high-energy X-ray Compton scattering
K. Suzuki, A. Suzuki, T. Ishikawa, M. Itou, H. Yamashige, Y. Orikasa, Y. Uchimoto, Y. Sakurai, and H.Sakurai
J. Synchrotron Radiation, 2017, 24, 5, 1 – 6
DOI: 10.1107/S1600577517010098

[11] Amorphous metal polysulfides: electrode materials with unique insertion/extraction reactions
Sakuda, A; Ohara, K; Fukuda, K; Nakanishi, K; Kawaguchi, T; Arai, H; Uchimoto, Y; Ohta, T; Matsubara, E; Ogumi, Z; Okumura, T; Kobayashi, H; Kageyama, H; Shikano, M; Sakaebe, H ; Takeuchi, T
J. Am. Chem. Soc., 2017, 139, 26, 8796 – 8799
DOI: 10.1021/jacs.7b03909

[10] Visualizing redox orbitals and their potentials in advanced lithium-ion battery materials using high-resolution X-ray Compton scattering
H. Hafiz, K. Suzuki, B. Barbiellini, Y. Orikasa, V. Callewaert, S. Kaprzyk, M. Itou, K. Yamamoto, R. Yamada, Y. Uchimoto, Y. Sakurai, H. Sakurai, A. Bansil
Sci. Ad., 2017, 3, 8, 1 – 6
DOI: 10.1126/sciadv.1700971

[9] Structural and Electronic-State Changes of a Sulfide Solid Electrolyte during the Li Deinsertion-Insertion Processes
Hakari, T, Deguchi, M, Mitsuhara, K, Ohta, T, Saita, K, Orikasa, Y, Uchimoto, Y, Kowada, Y, Hayashi, A, Tatsumisago, M
Chem. Mater., 2017, 29, 11, 4768 – 4774
DOI: 10.1021/acs.chemmater.7b00551

[8] Charge-Discharge Behavior of Bismuth in a Liquid Electrolyte for Rechargeable Batteries Based on a Fluoride Shuttle
Okazaki, K, Uchimoto, Y, Abe, T, Ogumi, Z
Acs. Energy Letters., 2017, 2, 6, 1460 – 1464
DOI: 10.1021/acsenergylett.7b00320

[7] Pressure-Stabilized Cubic Perovskite Oxyhydride BaScO2H
Goto, Y, Tassel, C, Noda, Y, Hernandez, O, Pickard, CJ, Green, MA, Sakaebe, H, Taguchi, N, Uchimoto, Y, Kobayashi, Y
Inorg. Chem., 2017, 56, 9, 4840 – 4845
DOI: 10.1021/acs.inorgchem.6b02834

[6] Hidden Two-Step Phase Transition and Competing Reaction Pathways in LiFePO4
Yukinori Koyama, Takeshi Uyama, Yuki Orikasa, Takahiro Naka, Hideyuki Komatsu, Keiji Shimoda, Haruno Murayama, Katsutoshi Fukuda, Hajime Arai, Eiichiro Matsubara, Yoshiharu Uchimoto, Zempachi Ogumi
Chem. Mater., 2017, 29, 7, 2855 – 2863
DOI: 10.1021/acs.chemmater.6b05000

[5] Development of Li2TiS3-Li3NbS4 by a mechanochemical process
Sakuda, A, Takeuchi, T, Shikano, M, Ohara, K, Fukuda, K, Uchimoto, Y, Ogumi, Z, Kobayashi, H, Sakaebe, H
J .Ceram. Soc.Jpn., 2017, 125, 4, 268 – 271
DOI: 10.2109/jcersj2.16272

[4] Visualization of the reaction distribution in a composite cathode for an all-solid-state lithium-ion battery
Fakkao, M, Chiba, K, Kimura, Y, Nakamura, T, Okumura, T, Nitta, K, Terada, Y, Uchimoto, Y, Amezawa, K
J .Ceram. Soc.Jpn., 2017, 125, 4, 299 – 302
DOI: 10.2109/jcersj2.16253

[3] Effect of Potential Profile on Battery Capacity Decrease during Continuous Cycling
Kitada, K, Murayama, H, Fukuda, K, Arai, H, Uchimoto, Y, Ogumi, Z
J. Phys. Chem. C., 2017, 121, 11, 6018 – 6023
DOI: 10.1021/acs.jpcc.6b12937

[2] Visualization of Inhomogeneous Reaction Distribution in the Model LiCoO2 Composite Electrode of Lithium Ion Batteries
Nakamura, T, Watanabe, T, Kimura, Y, Amezawa, K, Nitta, K, Tanida, H, Ohara, K, Uchimoto, Y, Ogumi, Z
J. Phys. Chem. C., 2017, 121, 4, 2118 – 2124
DOI: 10.1021/acs.jpcc.6b12133

[1] Direct observation of layered-to-spinel phase transformation in Li2MnO3 and the spinel structure stabilised after the activation process
Shimoda, K, Oishi, M, Matsunaga, T, Murakami, M, Yamanaka, K, Arai, H, Ukyo, Y, Uchimoto, Y, Ohta, T, Matsubarad, E
J. Mater. Chem. A., 2017, 5, 6695 – 6707
DOI: 10.1039/c6ta11151c

2016

[25] Quantitative Analysis of Transition-Metal Migration Induced Electrochemically in Lithium-Rich Layered Oxide Cathode and Its Contribution to Properties at High and Low Temperatures
Takahashi, I, Fukuda, K, Kawaguchi, T, Komatsu, H, Oishi, M, Murayama, H , Hatano, M , Terai, T, Arai, H, Uchimoto, Y
J. Phys. Chem. C., 2016, 120, 48, 27109 – 27116
DOI: 10.1021/acs.jpcc.6b08199

[24] Dynamic Behavior at the Interface between Lithium Cobalt Oxide and an Organic Electrolyte Monitored by Neutron Reflectivity Measurements
Minato, T, Kawaura, H, Hirayama, M, Taminato, S, Suzuki, K, Yamada, NL, Sugaya, H, Yamamoto, K, Nakanishi, K, Orikasa, Y ; Tanida, H; Kanno, R ; Arai, H; Uchimoto, Y; Ogumi, Z
J. Phys. Chem. C., 2016, 120, 36, 20082 – 20088
DOI: 10.1021/acs.jpcc.6b02523

[23] Ligancy-Driven Controlling of Covalency and Metallicity in a Ruthenium Two-Dimensional System
Toyoda, S, Fukuda, K, Horiba, K, Oshima, M , Kumagai, K, Kumagai, Y, Oba, F, Uchimoto, Y, Matsubara, E
Chem. Mater., 2016, 28, 16, 5784 – 5790
DOI: 10.1021/acs.chemmater.6b02019

[22] Platinum-Based Electrocatalysts for the Oxygen-Reduction Reaction: Determining the Role of Pure Electronic Charge Transfer in Electrocatalysis
Wang, XM, Orikasa, Y, Uchimoto, Y
Acs. Catalysis., 2016, 6, 7, 4195 – 4198
DOI: 10.1021/acscatal.6b00497

[21] Dependence of Structural Defects in Li2MnO3 on Synthesis Temperature
Matsunaga, T, Komatsu, H, Shimoda, K, Minato, T, Yonemura, M, Kamiyama, T, Kobayash, S, Kato, T, Hirayama, T, Ikuhara, Y ; Arai, H ; Ukyo, Y; Uchimoto, Y ; Ogumi, Z
Chem. Mater, 2016, 28, 12, 4143 – 4150
DOI: 10.1021/acs.chemmater.5b05041

[20] Communication-XAFS Analysis of Discharge/Charge Reactions on the Li/CuCl2 Battery Cathode with LiPF6/Methyl Difluoroacetate Electrolyte
Dobashi, S, Nakanishi, K, Tanida, H, Hashizaki, K, Uchimoto, Y, Hirai, T, Yamaki, J , Ogumi, Z
J . Electrochem. Soc., 2016, 163, 5, A727 – A729
DOI: 10.1149/2.0941605jes

[19] Selective and Low Temperature Transition Metal Intercalation in Layered Tellurides
T. Yajima, M. Koshiko, Y. Zhang, T. Oguchi, W. Yu, D. Kato, Y. Kobayashi, Y. Orikasa, T. Yamamoto, Y. Uchimoto, M. Green, H. Kageyama
Nature Commun., 2016, 7, 13809, 1 – 8
DOI: 10.1038/ncomms13809

[18] Real-time observations of lithium battery reactions-operando neutron diffraction analysis during practical operation
S. Taminato , M. Yonemura, S. Shiotani , T. Kamiyama, S. Torii , M. Nagao, Y. Ishikawa , K. Mori, T. Fukunaga , Y. Onodera, T. Naka , M. Morishima, Y. Ukyo , D. Adipranoto, H. Arai , Y. Uchimoto, Z. Ogumi , K. Suzuki, M. Hirayama
Scientific Reports, 2016, 28843, 1 – 12

[17] Degradation analysis of 18650-type lithium-ion cells by operando neutron diffraction
Shinya Shiotani, Takahiro Naka, Makoto Morishima, Masao Yonemura, Takashi Kamiyama, Yoshihisa Ishikawa, Yoshio Ukyo, Yoshiharu Uchimoto , Zempachi Ogumi
J. Power Sources, 2016, 325, 404 – 409
DOI: 10.1016/j.jpowsour.2016.06.026

[16] Structural Understanding of Superior Battery Properties of Partially Ni-Doped Li2MnO3 as Cathode Material
T. Matsunaga, H. Komatsu, K. Shimoda, T. Minato, M. Yonemura, T. Kamiyama, S. Kobayashi, T. Kato, T. Hirayama, Y. Ikuhara, H. Arai, Y. Ukyo, Y. Uchimoto, Z. Ogumi
J. Phys. Chem. Lett, 2016, 7, 2063 – 2067
DOI: 10.1021/acs.jpclett.6b00587

[15] Carbonaceous thin film coating with Fe-N4 site for enhancement of dioxovanadium ion reduction
J. Maruyama, T. Hasegawa, S. Iwasaki, T. Fukuhara, Y. Orikasa, Y. Uchimoto
J. Power Sources, 2016, 324, 521 – 527
DOI: 10.1016/j.jpowsour.2016.05.116

[14] Direct observation of reversible oxygen anion redox reaction in Li-rich manganese oxide, Li2MnO3, studied by soft X-ray absorption spectroscopy
M. Oishi,, K, Yamanaka, I. Watanabe, K. Shimoda, T. Matsunaga, H. Arai, Y. Ukyo, Y. Uchimoto, Z. Ogumi, T. Ohta
J. Mater. Chem. A, 2016, 4, 9293 – 9302
DOI: 10.1039/C6TA00174B

[13] Anti-site Mixing Governs Electrochemical Performances of Olivine-type MgMnSiO4 Cathode for Rechargeable Magnesium Battery
Takuya Mori, Titus Masese, Yuki Orikasa, Zhen-Dong Huang, Tetsuya Okado, Junqeun Kim, Yoshiharu Uchimoto
Phys. Chem. Chem. Phys., 2016, 18, 13524 – 13529
DOI: 10.1039/C6CP00448B

[12] Ionic Conduction in Lithium Ion Battery Composite Electrode Governs Cross-sectional Reaction Distribution
Yuki Orikasa, Yuma Gogyo, Hisao Yamashige, Misaki Katayama, Kezheng Chen, Takuya Mori, Kentaro Yamamoto, Titus Masese, Yasuhiro Inada, Toshiaki Ohta, Zyun Siroma, Shiro Kato, Hajime Kinoshita, Hajime Arai, Zempachi Ogumi, Yoshiharu Uchimoto
Scientific Reports, 2016, 6, 26382 , 1 – 6
DOI: 10.1038/srep26382

[11] Oxidation behaviour of lattice oxygen in Li-rich manganese-based layered oxide studied by hard X-ray photoelectron spectroscopy
Keiji Shimoda, Taketoshi Minato, Koji Nakanishi, Hideyuki Komatsu, Toshiyuki Matsunaga, Hajime Tanida, Hajime Arai, Yoshio Ukyo, Yoshiharu Uchimoto, Zempachi Ogumi
J. Mater. Chem., 2016, 4, 5909 – 5916
DOI: 10.1039/C6TA01152G

[10] Discharge/charge reaction mechanisms of FeS2 cathode material for aluminum rechargeable batteries at 55°C
Takuya Mori, Yuki Orikasa, Koji Nakanishi, Chen Kezheng, Masashi Hattori, Toshiaki Ohta, Yoshiharu Uchimoto
J. Power Sources, 2016, 313, 9 – 14
DOI: 10.1016/j.jpowsour.2016.02.062

[9] Overpotential-Induced Introduction of Oxygen Vacancy in La0.67Sr0.33MnO3 Surface and Its Impact on Oxygen Reduction Reaction Catalytic Activity in Alkaline Solution
Daisuke Kan, Yuki Orikasa, Kiyofumi Nitta, Hajime Tanida, Ryo Kurosaki, Tomoe Nishimura, Takahiro Sasaki, Haichuan Guo, Yusuke Ozaki, Yoshiharu Uchimoto, Yuichi Shimakawa
J. Phys. Chem. C, 2016, 120, 11, 6006 – 6010
DOI: 10.1021/acs.jpcc.5b11664

[8] Elucidating the Driving Force of Relaxation of Reaction Distribution in LiCoO2 and LiFePO4 Electrodes Using X-ray Absorption Spectroscopy
Hajime Tanida, Hisao Yamashige, Yuki Orikasa, Yuma Gogyo, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi
J. Phys. Chem. C, 2016, 120, 9, 4739 – 4743
DOI: 10.1021/acs.jpcc.5b10210

[7] Structure analyses using X-ray photoelectron spectroscopy and X-ray absorption near edge structure for amorphous MS3 (M: Ti, Mo) electrodes in all-solid-state lithium batteries
Takuya Matsuyama, Minako Deguchi, Kei Mitsuhara, Toshiaki Ohta, Takuya Mori, Yuki Orikasa, Yoshiharu Uchimoto, Yoshiyuki Kowada, Akitoshi Hayashi, Masahiro Tatsumisago
J. Power Sources, 2016, 313, 104 – 111
DOI: 10.1016/j.jpowsour.2016.02.044

[6] Lithium intercalation and structural changes at the LiCoO2 surface
Sou Taminato, Masaaki Hirayama, Kota Suzuki, Kazuhisa Tamura, Taketoshi Minato, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi, Ryoji Kanno
J. Power Sources, 2016, 307, 599 – 603
DOI: 10.1016/j.jpowsour.2015.12.133

[5] Strucutral and electronic features of binary Li2S-P2S5 glasses
Koji Ohara, Akio Mitsui, Masahiro Mori, Yohei Onodera, Shinya Shiotani, Yukinori Koyama, Yuki Orikasa, Miwa Murakami, Keiji Shimoda, Kazuhiro Mori, Toshiharu Fukunaga, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi
Scientific Reports, 2016, 6, 21302, 1 – 9
DOI: 10.1038/srep21302

[4] Irreversible Phase Transition between LiFePO4 and FePO4 during High-rate Charge-discharge Reaction by operando X-ray Diffraction
Ikuma Takahashi, Takuya Mori, Takahiro Yoshinari, Yuki Orikasa, Yukinori Koyama, Haruno Murayama, Katsutoshi Fukuda, Masaharu Hatano, Hajime Arai, Yoshiharu Uchimoto, Takayuki Terai
J. Power Sources, 2016, 309, 122 – 126
DOI: 10.1016/j.jpowsour.2016.01.077

[3] Non-Destructive Measurement of in-operando Lithium Concentration in Batteries via X-Ray Compton Scattering
K. Suzuki, B. Barbiellini, Y. Orikasa, S. Kaprzyk, M. Itou, K. Yamamoto, Yung Jui Wang, H. Hafiz, Y. Uchimoto, A. Bansil, Y. Sakurai and H. Sakurai
J. Applied Phys., 2016, 119, 025103-1 – 025103-6
DOI: 10.1063/1.4939304

[2] Phase transition kinetics of LiNi0.5Mn1.5O4 analyzed by temperature-controlled operando X-ray absorption spectroscopy
Ikuma Takahashi, Hajime Arai, Haruno Murayama, Kenji Sato, Hideyuki Komatsu, Hajime Tanida, Yukinori Koyama, Yoshiharu Uchimoto, Zempachi Ogumi
Phys. Chem. Chem. Phys., 2016, 18, 1897 – 1904
DOI: 10.1039/C5CP05535K

[1] Factors Determining the Packing-limitation of Active Materials in the Composite Electrode of Lithium-ion Batteries
Koji Kitada, Haruno Murayama, Katsutoshi Fukuda, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi, Eiichiro Matsubara
J. Power Sources, 2016, 301, 11 – 17
DOI: 10.1016/j.jpowsour.2015.09.105

2015

[17] Dynamical Origin of Ionic Conductivity for Li7P3S11 Metastable Crystal As Studied by 6/7Li and 31P Solid-State NMR
Miwa Murakami, Keiji Shimoda, Shinya Shiotani, Akio Mitsui, Koji Ohara, Yohei Onodera, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi
J. Phys. Chem. C, 2015, 119, 24248 – 24254
DOI: 10.1021/acs.jpcc.5b06308

[16] Operando X-ray Fluorescence Imaging for Zinc-based Secondary Batteries
Akiyoshi Nakata, Katsutoshi Fukuda, Haruno Murayama, Hajime Tanida, Tomokazu Yamane, Hajime Arai, Yoshiharu Uchimoto, Kenji Sakurai, Zempachi Ogumi
Electrochemistry, 2015, 83, 10, 849 – 851
DOI: 10.5796/electrochemistry.83.849

[15] High Capacity Lithium-Ion Storage System Using Unilamellar Crystallites of Exfoliated MoO2 Nanosheets
Hidetaka Sugaya, Katsutoshi Fukuda, Masahito Morita, Haruno Murayama, Eiichiro Matsubara, Toshirou Kume, Yoshiharu Uchimoto
Chem. Lett., 2015, 44, 11,
DOI: 10.1246/cl.150706

[14] Hierarchical Spatiotemporal Analyses of Reactions Using Synchrotron Radiation and the Design of Next-Generation Energy Conversion Devices
Yuki Orikasa
Electrochemistry, 2015, 83, 9, 695 – 700
DOI: 10.5796/electrochemistry.83.695

[13] Meso-scale characterization of lithium distribution in lithium-ion batteries using ion beam analysis techniques
R. Gonzales-Arrabal, M. Panizo-Laiz, K. Fujita, K. Mima, A. Yamazaki, T. Kamiya, Y. Orikasa, Y. Uchimoto, H. Sawada, C. Okuda, Y. Kato and J.M. Perlado
J. Power Sources, 2015, accepted,
DOI: 10.1016/j.jpowsour.2015.09.022

[12] Solid Solution Domains at Phase Transition Front of LixNi0.5Mn1.5O4
Hideyuki Komatsu, Hajime Arai, Yukinori Koyama, Kenji Sato, Takeharu Kato, Ryoji Yoshida, Haruno Murayama, Ikuma Takahashi, Yuki Orikasa, Katsutoshi Fukuda, Tsukasa Hirayama, Yuichi Ikuhara, Yoshio Ukyo, Yoshiharu Uchimoto and Zempachi Ogumi
Adv. Energy Mater., 2015, 5, 1500638
DOI: 10.1002/aenm.201500638

[11] 7Li NMR Study on Irreversible Capacity of LiNi0.8-xCo0.15Al0.05MgxO2 Electrode in a Lithium-Ion Battery
Miwa Murakami, Keiji Shimoda, Yoshio Ukyo, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi
J. Electrochem. Soc., 2015, 162, 7, A1315 – A1318
DOI: 10.1149/2.0781507jes

[10] Transformation of Leaf-like Zinc Dendrite in Oxidation and Reduction Cycle
Akiyoshi Nakata, Haruno Murayama, Katsutoshi Fukuda, TOmokazu Yamane, Hajime Arai, Toshiro Hirai, Yoshiharu Uchimoto, Jun-ichi Yamaki, Zempachi Ogumi
Electrochimica Acta, 2015, 166, 1, 82 – 87
DOI: 10.1016/j.electacta.2015.03.076

[9] Catalysis of Vanadium Ion Redox Reactions on Carbonaceous Material with Metal–N4 Sites
Jun Maruyama, Takahiro Hasegawa, Satoshi Iwasaki, Tomoko Fukuhara, Yuki Orikasa, Yoshiharu Uchimoto
ChemCatChem, 2015, 7, 2305 – 2308
DOI: 10.1002/cctc.201500362

[8] Delithiation/Lithiation Behavior of LiNi0.5Mn1.5O4 Studied by In Situ and Ex Situ 6,7Li NMR Spectroscopy
Keiji Shimoda, Miwa Murakami, Hideyuki Komatsu, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi
J. Phys. Chem. C, 2015, 119, 24, 13472 – 13480
DOI: 10.1021/acs.jpcc.5b03273

[7] Crystal Structural Changes and Charge Compensation Mechanism during Two Lithium Extraction/Insertion between Li2FeSiO4 and FeSiO4
Titus Masese, Cedric Tassel, Yuki Orikasa, Yukinori Koyama, Hajime Arai, Naoaki Hayashi, Jungeun Kim, Takuya Mori, Kentaro Yamamoto, Yoji Kobayashi, Hiroshi Kageyama, Zempachi Ogumi and Yoshiharu Uchimoto
J. Phys. Chem. C, 2015, 119, 19, 10206 – 10211
DOI: 10.1021/acs.jpcc.5b00362

[6] Effect of an Electrolyte Additive of Vinylene Carbonate on the Electronic Structure at the Surface of a Lithium Cobalt Oxide Electrode under Battery Operating Conditions
Daiko Takamatsu, Yuki Orikasa, Shinichiro Mori, Takayuki Nakatsutsumi, Kentaro Yamamoto, Yukinori Koyama, Taketoshi Minato, Tatsumi Hirano, Hajime Tanida, Hajime Arai, Yoshiharu Uchimoto and Zempachi Ogumi
J. Phys. Chem. C, 2015, 119, 18, 9791 – 9797
DOI: 10.1021/jp511405g

[5] Electronic, Structural, and Electrochemical Modulation of Electrostatic Self-Assembled 1T-MoS2 Nanosheets via Topotactic Structurat Conversion
Katsutoshi Fukuda, Akiyoshi Nakata, Masahito Morita, Yoshiharu Uchimoto, Satoshi Toyoda, Eiichiro Matsubara
e-J. Surf. Sci. Nanotech., 2015, 13, 1 – 7

[4] Extracting the Redox Orbitals in Li Battery Materials with High-Resolution X-Ray Compton Scattering Spectroscopy
K. Suzuki, B. Barbiellini, Y. Orikasa, N. Go, H. Sakurai, S. Kaprzyk, M. Itou, K. Yamamoto, Y. Uchimoto, Y. Wang, H. Hafiz, A. Bansil and Y. Sakurai
Phys. Rev. Lett., 2015, 114, 087401
DOI: 10.1103/PhysRevLett.114.087401

[3] Compton scattering imaging of a working battery using synchrotron high-energy X-rays
Masayoshi Itou, Yuki Orikasa, Yuma Gogyo, Kosuke Suzuki, Hiroshi Sakurai, Yoshiharu Uchimoto, Yoshiharu Sakurai
J. Synchrotron Rad., 2015, 22, 161 – 164
DOI: 10.1107/S1600577514024321

[2] Direct observation of reversible charge compensation by oxygen ion in Li-rich manganese layered oxide positive electrode material, Li1.16Ni0.15Co0.19Mn0.50O2
Masatsugu Oishi, Chihiro Yogi, Iwao Watanabe, Toshiaki Ohta, Yuki Orikasa, Yoshiharu Uchimoto, Zempachi Ogumi
J. Power Souces, 2015, 276, 89 – 94
DOI: 10.1016/j.jpowsour.2014.11.104

[1] Structural modification by adding Li cations into Mg/Cs-TFSA molten salt facilitating Mg electrodeposition
Koji Ohara, Yasuhiro Umebayashi, Tetsu Ichitsubo, Kazuhiko Matsumoto, Rika Hagiwara, Hajime Arai, Mashiro Mori, Yuki Orikasa, Shinya Okamoto, Masatsugu Oishi, Yuka Aiso, Toshiyuki Nohira, Yoshiharu Uchimoto, Zempachi Ogumi and Eiichiro Matsubara
RSC Adv., 2015, 5, 3036 – 3069
DOI: 10.1039/c4ra13244k

2014

[29] Spontaneous Lithium Transportation via LiMn2O4/Electrolyte Interface
Miwa Murakami, Shunsuke Shimizu, Yasuto Noda, K. Takegoshi, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi
Electrochimica Acta, 2014, 147, 540 – 544
DOI: 10.1016/j.electacta.2014.09.155

[28] Spectroscopic X-ray Diffraction for Micro-focus Inspection of Li-Ion Batteries
Haruno Murayama, Koji Kitada, Katsutoshi Fukuda, Akio Mitsui, Koji Ohara, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi, Eiichiro Matsubara
J. Phys. Chem. C, 2014, 118, 20750 – 20755

[27] New Magnesium-ion Conductive Electrolyte Solution Based on Triglyme for Reversible Magnesium Metal Deposition and Dissolution at Ambient Temperature
Tomokazu Fukutsuka, Keisuke Asaka, Akane Inoo, Ryohei Yasui, Kyohei Miyazaki, Takeshi Abe, Koji Nishio, Yoshiharu Uchimoto
Chem. Lett., 2014, 43, 11, 1788 – 1790
DOI: 10.1246/cl.140704

[26] Direct Observation of Rate Determining Step for Nd2NiO4+d SOFC Cathode Reaction by operando Electrochemical XAS
Yuki Orikasa, Toshiaki Ina, Kentaro Yamamoto, Takayuki Nakao, Atsushi Mineshige, Koji Amezawa, Tatsuya Kawada, Hajime Tanida, Tomoya Uruga, Yoshiharu Uchimoto
Electrochemistry, 2014, 82, 10, 897 – 900

[25] Stabilization of the Electronic Structure at the Cathode/Electrolyte Interface via MgO Ultra-thin Layer during Lithium-ions Insertion/Extraction
Kentaro Yamamoto, Yuki Orikasa, Daiko Takamatsu, Yukinori Koyama, Shinichiro Mori, Titus Masese, Takuya Mori, Taketoshi Minato, Hajime Tanida, Tomoya Uruga, Zempachi Ogumi and Yoshiharu Uchimoto
Electrochemistry, 2014, 82, 10, 891 – 896

[24] Origin of Surface Coating Effect for MgO on LiCoO2 to Improve the Interfacial Reaction between Electrode and Electrolyte
Yuki Orikasa, Daiko Takamatsu, Kentaro Yamamoto, Yukinori Koyama, Shinichiro Mori, Titus Masese, Takuya Mori, Taketoshi Minato, Hajime Tanida, Tomoya Uruga, Zempachi Ogumi and Yoshiharu Uchimoto
Adv. Mater. Interface, 2014, 1, 1400195
DOI: 10.1002/admi.201400195

[23] Novel spectro-electrochemical cell for in-situ/operando observation of common composite electrode with liquid electrolyte by X-ray absorption spectroscopy in the tender X-ray region
Koji Nakanishi, Daisuke Kato, Hajime Arai, Hajime Tanida, Takuya Mori, Yuki Orikasa, Yoshiharu Uchimoto, Toshiaki Ohta, Zempachi Ogumi
Rev. Sci. Instrum., 2014, 85, 084103

[22] Relationship between Local Structure and Oxide Ionic Diffusion of Nd2NiO4+d with K2NiF4 Structure
Toshiaki Ina, Yuki Orikasa, Titus Masese, Takayuki Nakao, Atsushi Mineshige, Koji Amezawa, Hajime Tanida, Tomoya Uruga, Yoshiharu Uchimoto
Electrochemistry, 2014, 82, 10, 875 – 879

[21] High energy density rechargeable magnesium battery using earth-abundant and non-toxic elements
Yuki Orikasa, Titus Masese, Yukinori Koyama, Takuya Mori, Masashi Hattori, Kentaro Yamamoto, Tetsuya Okado, Zhen-Dong Huang, Taketoshi Minato, Cedric Tassel, Junguen Kim, Yoji Kobayashi, Takeshi Abe, Hiroshi Kageyama and Yoshiharu Uchimoto
Scientific Reports, 2014, 4, 5622
DOI: 10.1038/srep05622

[20] Evaluation of the effective reaction zone in a composite cathode for lithium ion batteries
Takashi Nakamura, Toshiki Watanabe, Koji Amezawa, Hajime Tanida, Koji Ohara, Yoshiharu Uchimoto, Zempachi Ogumi
Solid State Ionics, 2014, 262, 1, 66 – 69
DOI: 10.1016/j.ssi.2013.10.013

[19] Kinetically asymmetric charge and discharge behavior of LiNi0.5Mn1.5O4 at low temperature observed by in situ X-ray diffraction
Ikuma Takahashi, Haruno Murayama, Kenji Sato, Takehiro Naka, Koji Kitada, Katsutoshi Fukuda, Yukinori Koyama, Hajime Arai, Eiichiro Matsubara, Yoshiharu Uchimoto and Zempachi Ogumi
J. Mater. Chem. A, 2014, 2, 15414 – 15419
DOI: 10.1039/C4TA01130A

[18] MgFePO4F as a feasible cathode material for magnesium batteries
Zhen-Dong Huang, Titus Masese, Yuki Oriaksa, Takuya Mori, Taketoshi Minato, Cedric Tassel, Yoji Kobayashi, Hiroshi Kageyama, Yoshiharu Uchimoto
J. Mater. Chem. A, 2014, 2, 11578 – 11582
DOI: 10.1039/C4TA01779J

[17] Origin of Anomalous Large Reversible Capacity for SnO2 conversion reaction
Kazuaki Kisu, Minami Iijima, Etsuro Iwama, Morihiro Saito, Yuki Orikasa, Wako Naoi, Katsuhiko Naoi
J. Mater. Chem. A, 2014, 2, 13058 – 13068
DOI: 10.1039/C4TA01994F

[16] Local Structure and Spin State of Co Ion at Defect in Lithium Overstoichiometric LiCoO2 as Studied by 6/7Li Solid-State NMR
Miwa Murakami, Yasuto Noda, Yukinori Koyama, Kiyonori Takegoshi, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi
J. Phys. Chem. C, 2014, 118, 28, 15375 – 15385
DOI: 10.1021/jp5039909

[15] Local Structural Change in Li2FeSiO4 Polyanion Cathode Material during Initial Cycling
Titus Masese, Yuki Orikasa, Takuya Mori, Kentaro Yamamoto, Toshiaki Ina, Taketoshi Minato, Koji Nakanishi, Toshiaki Ohta, Cedric Tassel, Yoji Kobayashi, Hiroshi Kageyama, Hajime Arai, Zempachi Ogumi, Yoshiharu Uchimoto
Solid State Ionics, 2014, 262, 1, 110 – 114
DOI: 10.1016/j.ssi.2013.11.018

[14] First principles study of dopant solubility and defect
Yukinori Koyama, Hajime Arai, Isao Tanaka, Yoshiharu Uchimto, Zepmachi Ogumi
J. Mater. Chem. A, 2014, 2, 11235 – 11245
DOI: 10.1039/c4ta01443j

[13] Carbonaceous Hydrogen Evolution Catalyst Containing Cobalt Surrounded by Tuned Local Structure
Jun Maruyama, Tsutomu Ioroi, Takahiro Hasegawa, Takuya Mori, Yuki Orikasa, Yoshiharu Uchimoto
ChemCatChem, 2014, 6, 2197 – 2200
DOI: 10.1002/cctc.201402253

[12] Characterization of bulk and surface chemical states on electrochemically cycled LiFePO4: A solid state NMR study
Keiji Shimoda, Hidetaka Sugaya, Miwa Murakami, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi
J. Electrochem. Soc., 2014, 161, 6, A1012 – A1018

[11] X-ray absorption fine structure imaging of inhomogeneous electrode reaction in LiFePO4 lithium-ion battery cathode
Misaki Katayama, Koichi Sumiwaka, Ryota Miyahara, Hisao Yamashige, Hajime Arai, Yoshiharu Uchimoto, Toshiaki Ohta, Yasuhiro Inada, Zempachi Ogumi
J. Power Sources, 2014, 269, 10, 994 – 999
DOI: 10.1016/j.jpowsour.2014.03.066

[10] Improved Cyclic Performance of Lithium-Ion Batteries: An Investigation of Cathode/Electrolyte Interface via in-situ Total-Reflection Fluorescence X-ray Absorption Spectroscopy
Kentaro Yamamoto , Taketoshi Minato, Shinichiro Mori, Daiko Takamatsu, Yuki Orikasa, Hajime Tanida, Koji Nakanishi, Haruno Murayama, Titus Masese, Takuya Mori, Hajime Arai, Yukinori Koyama, Zempachi Ogumi, Yoshiharu Uchimoto
J. Phys. Chem. C, 2014, 118, 18, 9538 – 9543
DOI: 10.1021/jp5011132

[9] Soft X-ray absorption spectroscopic studies with different probing depths: Effect of an electrolyte additive on electrode surfaces
Chihiro Yogi, Daiko Takamatsu, Keisuke Yamanaka, Hajime Arai, Yoshiharu Uchimoto, Kazuo Kojima, Iwao Watanabe, Toshiaki Ohta, Zempachi Ogumi
J. Power Sources, 2014, 248, 994 – 999
DOI: http://dx.doi.org/10.1016/j.jpowsour.2013.10.030

[8] Progress of the conversion reaction of Mn3O4 particles as a function of the depth of discharge
Daisuke Yonekura, Etsuro Iwama, Naoki Ota, Masanori Muramatsu, Morihiro Saito, Yuki Orikasa, Wako Naoi, Katsuhiko Naoi
Phys. Chem. Chem. Phys., 2014, 16, 6027 – 6032
DOI: 10.1039/C4CP00334A

[7] Surface Strontium Segregation of Solid Oxide Fuel Cell Cathodes Proved by In Situ Depth-Resolved X-ray Absorption Spectroscopy
Yuki Orikasa, Ethan J. Crumlin, Shinnosuke Sako, Koji Amezawa, Tomoya Uruga, Michael D. Biegalski, Hans M. Christen, Yoshiharu Uchimoto, Yang Shao-Horn
ECS Electrochem. Lett., 2014, 3, 4, F23 – F26
DOI: 10.1149/2.006404eel

[6] Room-Temperature Electrodeposition of Mg Metal from Amide Salts Dissolved in Glyme-Ionic Liquid Mixture
Atsushi Kitada, Yuu Kang, Yoshiharu Uchimoto, Kuniaki Murase
J. Electrochem. Soc., 2014, 161, D102 – D106
DOI: 10.1149/2.011403jes

[5] Electrochemical Reactivity of Magnesium Ions With Sn-Based Binary Alloys
Atsushi Kitada, Yuu Kang, Yoshiharu Uchimoto, Kuniaki Murase
ECS Transactions, 2014, 58, 38, 75 – 80

[4] Relationship between Phase Transition Involving Cationic Exchange and Charge-discharge Rate in Li2FeSiO4
Titus Masese, Yuki Orikasa, Cedric Tassel, Jungeun Kim, Taketoshi Minato, Hajime Arai, Takuya Mori, Kentaro Yamamoto, Yoji Kobayashi, Hiroshi Kageyama, Zempachi Ogumi, Yoshiharu Uchimoto
Chem. Mater., 2014, 26, 3, 1380 – 1384
DOI: 10.1021/cm403134q

[3] Room-Temperature Electrodeposition of Mg Metal from Amide
Atsushi Kitada, Yuu Kang, Yoshiharu Uchimoto, Kuniaki Murase
J. Electrochem. Soc., 2014, 161, 3, D102 – D106
DOI: 10.1149/2.011403jes

[2] Pyrophosphate Na2FeP2O7 as a low-cost and high-performance positive electrode material for sodium secondary batteries utilizing an inorganic ionic liquid
Chih-Yao Chen, Kazuhiko Matsumoto, Toshiyuki Nohira, Rika Hagiwara, Yuki Orikasa, Yoshiharu Uchimoto
J. Power Sources, 2014, 246, 783 – 787
DOI: 10.1016/j.jpowsour.2013.08.027

[1] RISING beamline (BL28XU) for rechargeable battery analysis
H. Tanida, K. Fukuda, H. Murayama, Y. Orikasa, H. Arai, Y. Uchimoto, E. Matsubara, T. Uruga, at al.
J. Synchrotron Rad., 2014, 21, 268 – 272

2013

[17] A novel cationic-ordering fluoro-polyanionic cathode LiV0.5Fe0.5PO4F and its single phase Li+ insertion/extraction behaviour
Zhen-Dong Huang, Yuki Orikasa, Titus Masese, Kentaro Yamamoto, Takuya Mori, Taketoshi Minato, Yoshiharu Uchimoto
RSC Advances, 2013, 3, 22935 – 22939
DOI: 10.1039/C3RA44094J

[16] Enhanced Anodic Dissolution of Magnesium in Quaternary-Ammonium-Based Ionic Liquid Containing a Small Amount of Water
Kuniaki Murase, Izuru Sasaki, Atsushi Kitada, Yoshiharu Uchimoto, Takashi Ichii, Hiroyuki Sugimura
J. Electrochem. Soc., 2013, 160, D453 – D458
DOI: 10.1149/2.057310jes

[15] Visualization of conduction pathways in lithium superionic conductors: Li2S-P2S5 glasses and Li7P3S11 glass-ceramic
K. Mori, T. Ishida, T. Fukunaga, Y. Onodera, K. Iwase, T. Otomo, S. Kohara, H. Arai, Y. Uchimoto, Z. Ogumi, Y. Onodera, T. Fukunaga
Chem. Phys. Lett., 2013, 584, 113 – 118
DOI: 10.1016/j.cplett.2013.08.016

[14] High potential durability of LiNi0.5Mn1.5O4 electrodes studied by surface sensitive X-ray absorption spectroscopy
H. Kawaura, D. Takamatsu, S. Mori, Y. Orikasa, H. Sugaya, H. Maruyama, K. Nakanishi, H. Tanida, Y. Koyama, H. Arai, Y.Uchimoto, Z. Ogumi
J. Power Sources, 2013, 245, 816 – 821
DOI: 10.1016/j.jpowsour.2013.07.011,

[13] In situ NMR observation of the lithium extraction/insertion from LiCoO2 cathode
Keiji Shimoda, Miwa Murakami, Daiko Takamatsu, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi
Electrochimica Acta, 2013, 18, 343 – 349
DOI: 10.1016/j.electacta.2013.06.120

[12] Layered Perovskite Oxide – A Reversible Air Electrode for Oxygen Evolution/Reduction in Rechargeable Metal-Air Batteries
T. Takeguchi, T. Yamanaka, H. Takahashi, H. Watanabe, T. Kuroki, H. Nakanishi, Y. Orikasa, Y. Uchimoto, H. Takano, N. Ohgaru, M. Matsuda, T. Murota, K. Uosaki, W. Ueda
J. Am. Chem. Soc., 2013, 135, 11125 – 11130
DOI: 10.1021/ja403476v

[11] Phase Transition Kinetics of LiNi0.5Mn1.5O4 Electrodes
H. Arai, K. Sato, I. Takahashi, Y. Orikasa, H. Murayama, Y. Koyama, Y. Uchimoto, Z. Ogumi
J. Mater. Chem. A, 2013, 1, 10442 – 10449

[10] In situ two-dimensional micro-imaging XAFS with CCD detector
H. Tanida, H. Yamashige, Y. Orikasa, T. Fujimoto, M. Oishi, H. Murayama, H. Arai, M. Katayama, Y. Inada, T. Ohta, Y. Uchimoto, Z. Ogumi
J. Phys.: Conf. Ser., 2013, 430, 012021
DOI: 10.1088/1742-6596/430/1/012021

[9] Quantitating the Lattice Strain Dependence of Monolayer Pt Shell Activity toward Oxygen Reduction
X. Wang, Y. Orikasa, Y. Takesue, H. Inoue, M. Nakamura, T. Minato, N. Hoshi, Y. Uchimoto
J. Am. Chem. Soc., 2013, 135, 5938 – 5941
DOI: 10.1021/ja312382h

[8] High temperature defect chemistry in layered lithium transition-metal oxides based on first-principles calculations
Y. Koyama, H. Arai, I. Tanaka, Y. Uchimoto, Z. Ogumi
J. Power Sources, 2013, 244, 592 – 596
DOI: 10.1016/j.jpowsour.2012.12.127

[7] Transient Phase Change in Two Phase Reaction between LiFePO4 and FePO4 under Battery Operation
Y. Orikasa, T. Maeda, Y. Koyama, H. Murayama, K. Fukuda, H. Tanida, H. Arai, E. Matsubara, Y. Uchimoto, Z. Ogumi
Chem. Mater., 2013, 25, 1032 – 1039
DOI: 10.1021/cm303411t

[6] Direct Observation of a Metastable Crystal Phase of LixFePO4 under Electrochemical Phase Transition
Y. Orikasa, T. Maeda, Y. Koyama, H. Murayama, K. Fukuda, H. Tanida, H. Arai, E. Matsubara, Y. Uchimoto, Z. Ogumi
J. Am. Chem. Soc., 2013, 135, 5497 – 5500
DOI: 10.1021/ja312527x

[5] Phase Transition Analysis between LiFePO4 and FePO4 by In-Situ Time-Resolved X-ray Absorption and X-ray Diffraction
Y. Orikasa, T. Maeda, Y. Koyama, T. Minato, H. Murayama, K. Fukuda, H. Tanida, H. Arai, E. Matsubara, Y. Uchimoto, Z. Ogumi
J. Electrochem. Soc., 2013, 160, A3061 – A3065
DOI: 10.1149/2.012305jes

[4] Effects of ZrO2 Coating on LiCoO2 Thin-Film Electrode Studied by In Situ X-ray Absorption Spectroscopy
D. Takamatsu, S. Mori, Y. Orikasa, T. Nakatsutsumi, Y. Koyama, H. Tanida, H. Arai, Y. Uchimoto, Z. Ogumi
J. Electrochem. Soc., 2013, 160, A3054 – A3060
DOI: 10.1149/2.006305jes

[3] Selective observation of a spinning-sideband manifold of paramagnetic solids by rotation-synchronized DANTE
M. Murakami, H. Arai, Y. Uchimoto, Z. Ogumi
J. Magn. Reson., 2013, 231, 66 – 71
DOI: 10.1016/j.jmr.2013.03.007

[2] In Situ Observation of Tin Negative Electrode / Electrolyte Interface by X-ray Reflectivity
K. Shimada, T. Kawaguchi, T. Ichitsubo, E. Matsubara, K. Fukuda, Y. Uchimoto, Z. Ogumi
ECS Transactions, 2013, 50, 31 – 37
DOI: 10.1149/05001.0031ecst

[1] Charge compensation mechanisms in Li1.16Ni0.15Co0.19Mn0.50O2 positive electrode material for Li-ion batteries analyzed by a combination of hard and soft X-ray absorption near edge structure
M. Oishi, T. Fujimoto, Y. Takanashi, Y. Orikasa, A. Kawamura, I. Watanabe, T. Ohta, A. Mineshige, Y. Uchimoto, Z. Ogumi
J. Power Sources, 2013, 222, 45 – 51
DOI: 10.1016/j.jpowsour.2012.08.023

2012

[6] First In Situ Observation of the LiCoO2 Electrode/Electrolyte Interface by Total-Reflection X-ray Absorption Spectroscopy
D. Takamatsu, Y. Koyama, Y. Orikasa, S. Mori, T. Nakatsutsumi, T. Hirano, H. Tanida, H. Arai, Y. Uchimoto, Z. Ogumi
Angewandte Chemie., 2012, 51, 11597 – 11601
DOI: 10.1002/anie.201203910

[5] Defect Chemistry in Layered LiMO2 (M = Co, Ni, Mn, and Li1/3Mn2/3) by First-Principles Calculations
Y. Koyama, H. Arai, I. Tanaka, Y. Uchimoto, Z. Ogumi
Chem. Mater., 2012, 24, 3886 – 3894
DOI: 10.1021/cm3018314

[4] Average and Local Structure Analyses of Li(Mn1/3Ni1/3Co1/3-xAlx)O2 Using Neutron and Synchrotron X-ray Sources
Y. Idemoto, N. Kitamura, K. Ueki, SC. Vogel, Y. Uchimoto
J. Electrochem. Soc., 2012, 159, 5, A673 – A677

[3] Electrochemical characterization of single-layer MnO2 nanosheets as a high-capacitance pseudocapacitor electrode
K. Kai, Y. Kobayashi, Y. Yamada, K. Miyazaki, T. Abe, Y. Uchimoto, H. Kageyama
J. Mater. Chem., 2012, 22, 29, 14691 – 14695

[2] Association of paramagnetic species with formation of LiF at the surface of LiCoO2
M. Murakami, H. Yamashige, H. Arai, Y. Uchimoto, Z. Ogumi
Electrochimica Acta, 2012, 78, 49 – 54

[1] Co K-edge XANES of LiCoO2 and CoO2 with a variety of structures by supercell density functional calculations with a core hole.
Y.Koyama, H.Arai, Z.Ogumi, I.Tanaka, Y.Uchimoto
Phys. Rev. B, 2012, 85, 7,

2011

[21] In situ two-dimensional imaging quick-scanning XAFS with pixel array detector.
H.Tanida, H.Yamashige, Y.YOrikasa, M.Oishi, Y.Takanashi, T.Fujimoto, K.Sato, D.Takamatsu, Y.Uchimoto, Z.Ogumi
Journal of Synchrotron Radiation, 2011, 18, 919 – 921

[20] Thickness estimation of interface films formed on Li1-xCoO2 electrodes by hard X-ray photoelectron spectroscopy.
Y.Takanashi, Y.Orikasa, M.Mogi, M.Oishi, H.Murayama, K.Sato, H.Yamashige, D.Takamatsu, Y.Uchimoto, Z.Ogumi
J. Power Sources, 2011, 196, 24, 10679 – 10685

[19] Dependence of property, cathode characteristics, thermodynamic stability, and average and local structures on heat-treatment condition for LiNi0.5Mn0.5O2 as a cathode active material for Li-ion battery.
N.Kitamura, T.Hasegawa, Y.Uchimoto, K.Amezawa, Y.Idemoto
Electrochim. Acta, 2011, 56, 25, 9453 – 9458

[18] Pore Development in Carbonized Hemoglobin by Concurrently Generated MgO Template for Activity Enhancement as Fuel Cell Cathode Catalyst
J. Murayama, T. Hasegawa, T. Amano, Y. Muramatsu, Eric M. Gullikson, Y. Orikasa, Y. Uchimoto
ACS Appl. Mater. Interfaces, 2011, 3, 4837 – 4843

[17] Nanoscale Observation of the Electronic and Local Structures of LiCoO2 Thin Film Electrode by Depth-Resolved X-ray Absorption Spectroscopy
D. Takamatsu, T. Nakatsutsumi, S. Mori, Y. Orikasa, M. Mogi, H. Yamashige, K. Sato, T. Fujimoto, Y. Takamashi, H. Murayama, M. Oishi, H. Tanida, T. Uruga, H. Arai, Y. Uchimoto, Z. Ogumi
J. Phys. Chem. Lett, 2011, 2, 2511 – 2514

[16] Effect of cation doping on ionic and electronic properties for lanthanum silicate-based solid electrolytes
A. Mineshige, Y. Ohnishi, R. Sakamoto, Y. Daiko, M. Kobune, MT. Yazawa, H. Yoshioka, T. Nakao, T. Fukutsuka, Y. Uchimoto
Solid State Ionics, 2011, 192, 195 – 199

[15] X-ray Absorption Spectroscopic Study on La0.6Sr0.4CoO3-δ Cathode Materials Related with Oxygen Vacancy Formation
Y. Orikasa, T. Ina, T. Nakao, A. Mineshige, K. Amezawa, M. Oishi, H. Arai, Z. Ogumi, Y. Uchimoto
J. Phys. Chem. C, 2011, 115, 16433 – 16438

[14] Role of Local and Electronic Structural Changes with Partially Anion substitution Lithium Manganese Spinel Oxides on Their Electrochemical Properties: X-ray Absorption Spectroscopy Study
T. Okumura, T. Fukutsuka, K. Matsumoto, Y. Orikasa, H. Arai, Z. Ogumi, Y. Uchimoto
Dalton Trans, 2011, 40, 9752 – 9764

[13] Electronic and Local Structural Changes with Lithium-Ion Insertion in TiO2-B: X-ray Absorption Spectroscopy Study
T. Okumura, T. Fukutsuka, A. Yanagihara, Y. Orikasa, H. Arai, Z. Ogumi, Y. Uchimoto
J. Mater. Chem, 2011, 21, 15369 – 15377

[12] Nanosized Effect on Electronic / Local Structures and Specific Lithium-Ion Insertion Property in TiO2-B nanowires analyzed by X-ray Absorption Spectroscopy
T. Okumura, T. Fukutsuka, A. Yanagihara, Y. Orikasa, H. Arai, Z. Ogumi, Y. Uchimoto
Chem. Mater, 2011, 23, 3636 – 3644

[11] Local Structural Analysis for Oxide Ionic Transport in La0.6Sr0.4FeO3-δ Cathodes
Y. Orikasa, T. Nakao, M. Oishi, T. Ina, A. Mineshige, K. Amezawa, H. Arai, Z. Ogumi, Y. Uchimoto
J. Mater. Chem, 2011, 21, 14013 – 14019

[10] X-ray Absorption Spectroscopic Study on Mixed Conductive La0.6Sr0.4Co0.8Fe0.2O3- Cathodes I. Electrical Conductivity and Electronic Structure
Y. Orikasa, T. Ina, T. Nakao, A. Mineshige, K. Amezawa, M. Oishi, H. Arai, Z. Ogumi, Y. Uchimoto
Phys. Chem. Chem. Phys, 2011, 13, 16637 – 16643

[9] Direct Evidence of LiF Formation at Electrode/Electrolyte Interface by 7Li and 19F Double-Resonance Solid-State NMR Spectroscopy
M. Murakami, H. Yamashige, H. Arai, Y. Uchimoto, Z. Ogumi
Electrochem. Solid-State Lett., 2011, 14(9), A134 – A137

[8] Improvement of lithium ion conductivity for A-site disordered lithium lanthanum titanate perovskite oxides by fluoride ion substitution
T. Okumura, T. Ina, Y. Orikasa, H. Arai, Y. Uchimoto, Z. Ogumi
J. Mater. Chem, 2011, 21, 10061 – 10068

[7] Effect of average and local structures on lithium ion conductivity in La2/3−xLi3xTiO3
T. Okumura, T. Ina, Y. Orikasa, H. Arai, Y. Uchimoto, Z. Ogumi
J. Mater. Chem, 2011, 21, 10195 – 10205

[6] Depth-resolved X-ray absorption spectroscopic study on nanoscale observation of the electrode–solid electrolyte interface for all solid state lithium ion batteries
T. Okumura, T. Nakatsutsumi, T. Ina, Y. Orikasa, H. Arai, T. Fukutsuka, Y. Iriyama, T. Uruga, H. Tanida, Y Uchimoto and Z Ogumi
J. Mater. Chem, 2011, 21, 10051 – 10060

[5] Lithium-Ion Transfer Reaction at the Interface between Partially Fluorinated Insertion Electrodes and Electrolyte Solutions
T. Okumura, T. Fukutsuka, K. Matsumoto, Y. Orikasa, H. Arai, Z. Ogumi, Y. Uchimoto
J. Phys. Chem. C, 2011, 115, 12990 – 12994

[4] Theoretical Fingerprints of Transition Metal L2,3 XANES and ELNES for Lithium Transition Metal Oxides by ab Initio Multiplet Calculations
H. Ikeno, T. Mizoguchi, Y. Koyama, Z. Ogumi, Y. Uchimoto, I. Tanaka
J. Phys. Chem. C, 2011, 115, 11871 – 11879

[3] Anodic Dissolution Behavior of Magnesium in Hydrophobic Ionic Liquids
I. Sasaki, K. Murase, T. Ichii, Y. Uchimoto, H. Sugimura
ECS Trans, 2011, 33, 65

[2] Nanoprotonics in perovsikte-type oxides: Reversible changes in color and ion conductivity due to nanoionics phenomenon in platinum-containing perovskite oxide
H. Matsumoto, T. Tanji, K. Amezawa, T. Kawada, Y. Uchimoto, Y. Furuya, T. Sakai, M. Matsuka, T. Ishihara
Solid State Ionics, 2011, 182, 13 – 18

[1] Dependence of Thermodynamic Stability, Crystal and Electronic Structures and Battery Characteristic on Synthetic Condition and Li Content for LixMn0.5Ni0.5O2 as a Cathode Active Material of Li-Ion Battery
Y. Idemoto, T. Hasegawa, N. Kitamura, Y. Uchimoto
Electrochem, 2011, 79, 15 – 23

2010

[4] Effect of Reduction Temperature of Fe-Co-Ni/C Catalyst on the Solid Alkaline Fuel Cell Performance
A. Nakamura, H. Takahashi, T. Takeguchi, T. Yamanaka, Q. Wang, Y. Uchimoto, W. Ueda
ECS Trans, 2010, 33, 1817

[3] Nonprecious Metal Electrocatalysts for Alkaline Fuel Cells
A. Nakamura, H. Takahashi, T. Takeguchi, T. Yamanaka, Q. Wang, Y. Uchimoto, W. Ueda
ECS Trans, 2010, 28, 153

[2] Ionic and Electronic Conductivities and Fuel Cell Performance of Oxygen Excess-Type Lanthanum Silicates
A. Mineshige, T. Nakao, Y. Ohnishi, R. Sakamoto, Y. Daiko, M. Kobune, T. Yazawa, H. Yoshioka, T. Fukutsuka, Y. Uchimoto
J. Electrochem. Soc, 2010, 157, B1465 – B1470

[1] Lithium-Ion Conductivity in Lithium Lanthanum Titanates as Different Local Distortion Model Compounds
T. Okumura, T. Fukutsuka, Y. Uchimoto, M.Saito, L. Kuwano
Electrochem, 2010, 78, 457 – 459

2009

[8] New Oxygen Reduction Electrocatalysts Based on Oxide Nanosheet Materials
M. Saito, Y. Akeboshi, N. Ohno, J. Kuwano, H. Shiroishi, Y. Uchimoto
ECS Trans, 2009, 16, 97

[7] Investigation on Oxygen Potential Distribution in a ZrO2-Based Solid Electrolyte by Using In-Situ Micro XAS Technique
K. Amezawa, T. Kawada, Y. Uchimoto
ECS Trans, 2009, 25, 345

[6] Improvement of Li-ion conductivity in A-site disordering lithium-lanthanum-titanate perovskite oxides by adding LiF in synthesis
T. Okumura, K. Yokoo, T. Fukutsuka, Y. Uchimoto, M.Saito, L. Kuwano
J. Power Sources, 2009, 189, 536 – 538

[5] Determination of lithium ion diffusion in lithium–manganese-oxide-spinel thin films by secondary-ion mass spectrometry
T. Okumura, T. Fukutsuka, Y. Uchimoto, N. Sakai, K. Yamaji, H. Yokokawa
J. Power Sources, 2009, 189, 643 – 645

[4] Electronic structures of partially fluorinated lithium manganese spinel oxides and their electrochemical properties
K. Matsumoto, T. Fukutsuka, T. Okumura, Y. Uchimoto, K. Amezawa, M. Inaba, A. Tasaka
J. Power Sources, 2009, 189, 599 – 601

[3] Cathode Having High Rate Performance for A Secondary Li-ion Cell Surface-modified by Aluminum Oxide Nanoparticles
T. Okumura, T. Fukutsuka, Y. Uchimoto, K. Amezawa, S. Kobayashi
J. Power Sources, 2009, 189, 471 – 475

[2] Oxygen Reduction Electrode Properties of Manganese Oxide Nanosheet-Based Materials
N. Ohno, Y. Akeboshi, M. Saito, J. Kuwano, H. Shiroishi, T. Okumura, Y. Uchimoto
Topics in Catalysis, 2009, 52, 903 – 911

[1] Electrocatalytic Activity of the Pyrochlores Ln2M2O7-delta (Ln = Lanthanoids) for Oxygen Reduction Reaction
T. Konishi, H. Kawai, M. Saito, J. Kuwano, H. Shiroishi, T. Okumura, Y. Uchimoto
Topics in Catalysis, 2009, 52, 869 – 902

2008

[3] Visualization of oxygen transport behavior at metal electrode/oxide electrolyte interface using secondary ion mass spectrometry
J. Maruyama, J. Okamura, K. Miyazaki, Y. Uchimoto, I. Abe
J. Phys. Chem. C., 2008, 112, 2784 – 2790

[2] Oxygen nonstoichiometry of the perovskite-type oxides BaCe0.9M0.1O3-dd (M=Y, Yb, Sm, Tb, and Nd)
M. Oishi, K. Yashiro, K. Sato, J. Mizusaki, N. Kitamura, K. Amezawa, T. Kawada, Y. Uchimoto
Solid State Ionics, 2008, 179, 529 – 535

[1] Hemoglobin Pyropolymer Uased as a Noble-Metal-Free Fuel Cell Cathode Catalyst
J. Maruyama, J. Okamura, K. Miyazaki, Y. Uchimoto, I. Abe
J. Phys. Chem. C., 2008, 112, 2784 – 2790

2007

[7] Morphologic and crystallographic studies on electrochemically formed chromium nitride films.
K.Amezawa, T.Goto, H.Tsujimura, Y.Uchimoto, R.Hagiwara, Y.Tomii, Y.Ito
Electrochim. Acta, 2007, 53, 1, 122 – 126

[6] XAS Study for Degradation Mechanism of Pt/C Catalyst during Potential Cycling Test
H. Yoshida, T. Kinumoto, Y. Iriyama, Y. Uchimoto, Z. Ogumi
ECS Transaction, 2007, 11, 1321

[5] A Model Study for Oxygen Reduction Reaction and Durability of Pt/C Catalyst in Triple-Phase Boundary of PEFCs
T. Hirai, T. Kinumoto, K. Katakura, Y. Iriyama, Y. Uchimoto, Z. Ogumi
ECS Transaction, 2007, 11, 809

[4] Electrical conduction properties of Sr-doped Bi-4(SiO4)(3) with the eulytite-type structure
N. Kitamura, K. Amezawa, Y. Uchimoto, Y. Tomii, T. Hanada
Journal of Materials Science, 2007, 42, 6566

[3] Changes in Electronic Structure upon Lithium Insertion into Fe2(SO4)3 and Fe2(MoO4)3 Investigated by X-ray Absorption Spectroscopy
J. Shirakawa, M. Nakayama, M. Wakihara, Y. Uchimoto
J. Phys. Chem. B, 2007, 111, 1424 – 1430

[2] Electrochemical effect of gold nanoparticles on Pt/a-Fe2O3/C for use in methanol oxidation in alkaline solution
K. Miyazaki, H. Ishihara, K. Matsuoka, Y. Iriyama, K. Kikuchi, Y. Uchimoto, T. Abe, Z. Ogumi
Electrochimica Acta, 2007, 52, 3582

[1] Meniscus Formation and Hydrogen Oxidation on Partially Immersed Pt-Carbon Electrode
T. Kinumoto, Y. Uchimoto, K. Kikuchi, K. Katakura, M. Inaba, Z. Ogumi
Electrochemistry, 2007, 75, 2, 248

2006

[11] Influence of ligand structures on methanol electro-oxidation by mixed catalysts based on platinum and organic metal complexes for DMFC
M. Saito, H. Shiroishi, C. Ono, S. Tsuzuki, T. Okada, Y. Uchimoto
J. Mol. Catal. A: Chemical, 2006, 248, 99

[10] Multiple Scattering Calculation for Co K-edge XANES Spectra of Nanometer Scale Metal Deposited during Li Insertion into LiCoVO4
J. Shirakawa, M. Nakayama, Y. Uchimoto, M. Wakihara
Electrochem. Solid-State Lett., 2006, 9, A200

[9] Electronic and local structural changes in Li2+xTi3O7 ramsdellite compounds upon electrochemical Li-ion insertion reactions by X-ray absorption spectroscopy
W. Ra, M. Nakayama, W. Cho, M. Wakihara, Y. Uchimoto
Phys. Chem. Chem. Phys., 2006, 8, 882

[8] Application of SIMS analyses on oxygen transport in SOFC materials
N. Sakai, K. Yamaji, T. Horita, H. Kishimoto, M. Brito, H. Yokokawa, Y. Uchimoto
Appl. Surf. Sci., 2006, 252, 7045

[7] Changes in Electronic Structure upon Li Insertion Reaction of monoclinic Li3Fe2(PO4)3
J. Shirakawa, M. Nakayama, M. Wakihara, Y. Uchimoto
J. Phys. Chem. B, 2006, 110, 17743

[6] High CO tolerance of N,N-ethylenebis(salicylideneaminato)
oxovanadium(IV) as a cocatalyst to Pt for the anode of reformate fuel cells
H. Yano, C. Ono, H. Shiroishi, M. Saito, Y. Uchimoto, T. Okada
Chem. Mater., 2006, 18, 4505

[5] Synthesis and Structural Study on MnO2 Nanosheet Material by X-ray Absorption Spectroscopic Technique
Y. Kadoma, Y. Uchimoto, M. Wakihara
J. Phys. Chem. B, 2006, 110, 174

[4] Electrical conduction properties of rare earth orthophosphates under reducing conditions
N. Kitamura, K. Amezawa, Y. Uchimoto, Y. Tomii, T. Hanada, N. Yamamoto
Solid State Ionics, 2006, 177, 2369

[3] High temperature protonic conduction in Sr-doped LaP3O9
K. Amezawa, Y. Uchimoto, Y. Tomii
Solid State Ionics, 2006, 177, 2407

[2] Active parts for CH4 decomposition and electrochemical oxidation at metal/oxide interfaces by isotope labeling-secondary ion mass spectrometry
T. Horita, H. Kishimoto, K. Yamaji, N. Sakai, Y. Xiong, M. Brito, H. Yokokawa, M. Rai, K. Amezawa, Y. Uchimoto
Solid State Ionics, 2006, 177, 3179

[1] Oxygen nonstoichiometry, mixed valency and mixed conduction in (La,Sr)(Co,Fe)O3-d
A. Mineshige, J. Abe, M. Kobune, Y. Uchimoto, T. Yazawa
Solid State Ionics, 2006, 177, 1803

2005

[7] Experimental and Computational Study of the Electronic Structural Changes in LiTi2O4 Spinel Compounds upon Electrochemical Li Insertion Reactions
W. Ra, M. Nakayama, Y. Uchimoto, M. Wakihara
J. Phys. Chem. B, 2005, 109, 1130

[6] Electron Transfer upon Lithium Insertion into the A-site Deficient Perovskite Type Oxides, (Li,La)TiO3
M. Nakayama, T. Usui, Y. Uchimoto, M. Wakihara, M. Yamamoto
J. Phys. Chem. B, 2005, 109, 4135

[5] Investigation on cycleability in LixLa1/3NbO3 electrode material for rechargeable lithium ion battery
M. Nakayama, Y. Uchimoto, M. Wakihara
Journal of Power Sources, 2005, 146, 674

[4] X-Ray Absorption Spectroscopic Study on Electron Exchange in Li1-xCoPO4 Electrodes as 4.8 V Positive Electrodes for Rechargeable Lithium Ion Batteries
M. Nakayama, S. Goto, Y. Uchimoto, M. Wakihara, Y. Kitajima, T. Miyanaga, I. Watanabe
J. Phys. Chem. B, 2005, 109, 11197

[3] High-Rate-Capable Lithium-Ion Battery Based on Surface-Modified Natural Graphite Anode and Substituted Spinel Cathode for Hybrid Electric Vehicles
R. M. Kottegoda, Y. Kadoma, H. Ikuta, Y. Uchimoto, M. Wakihara
J. Electrochem. Soc., 2005, 152, A1595

[2] Charge-transfer reaction rate at the LiMn2O4 spinel oxide cathode/polymer electrolyte interface
Y. Uchimoto, K. Amezawa, T. Furushita, M. Wakihara, I. Taniguchi
Solid State Ionics, 2005, 176, 2377

[1] Lithium Ion Phase-Transfer Reaction at the Interface between the Lithium Manganese Oxide Electrode and the Nonaqueous Electrolyte
S. Kobayashi, Y. Uchimoto
J. Phys. Chem. B, 2005, 109, 13322

[0] Electrochemical performance of lithium polymer battery based on PC/polymer borate ester plasticizers.
Kottegoda, I. R. M, Bakenov, Z, H.Ikuta, Y.Uchimoto, M.Wakihara
Electrochemical and Solid State Letters, 2005, 8, 1, A30 – A33

2004

[16] Li2NiTiO4-a new positive electrode for lithium batteries: soft-chemistry synthesis and electrochemical characterization
S. R. S. Prabaharan, M. S. Michael, H. Ikuta, Y. Uchimoto, M. Wakihara
Solid State Ionics, 2004, 172, 39

[15] Lithium Insertion/Removal Mechanism of LiCoVO4 Lithium Ion Cells
J. Shirakawa, M. Nakayama, H. Ikuta, Y. Uchimoto, M. Wakihara
Electrochem. Solid-State Lett., 2004, 7, A27

[14] Molecular Dynamics Simulations of LiCoyMn2-yO4 Cathode Materials for Rechargeable Li Ion Batteries
M. Nakayama, M. Kaneko, Y. Uchimoto, M. Wakihara, K. Kawamura
J. Phys. Chem. B, 2004, 108, 3754

[13] Charge Transfer Reaction Rate of Li+/Li Couple in Poly(ethylene glycol) Dimethyl Ether Based Electrolytes
Y. Kato, T. Ishihara, Y. Uchimoto, M. Wakihara
J. Phys. Chem. B, 2004, 108, 4794

[12] Relationship Between the Li Ionic Conduction and the Local Structure in LiyLa(1-y)/3NbO3
M. Nakayama, H. Ikuta, Y. Uchimoto, M. Wakihara
Appl. Phys. Lett., 2004, 84, 4227

[11] X-ray Absorption Study of the Electronic Structure of Li-excess Spinel Li1+xTi2-xO4 (0≦x≦0.33)
W. Ra, M. Nakayama, H. Ikuta, Y. Uchimoto, M. Wakihara
Appl. Phys. Lett., 2004, 84, 4364

[10] Achievement of High Electrode Reaction Rate by Addition of Lewis Acid for High Power Density Li-ion Secondary Batteries
Y. Kato, T. Ishihara, H. Ikuta, Y. Uchimoto, M. Wakihara
Angew. Chem. Int. Ed., 2004, 43, 1966

[9] Ionic Conductivity and Transport Number of Lithium Ion in Polymer Electrolytes Containing PEG-borate Ester
Y. Kato, S. Yokoyama, T. Yabe, H. Ikuta, Y. Uchimoto, M. Wakihara
Electrochimica Acta, 2004, 50, 281

[8] XAFS Study of Reaction Mechanism of Nano-sized Manganese Dioxides as Cathode Materials for Lithium-ion Batteries
S. Kobayashi, Y. Uchimoto, M. Wakihara
Electrochemistry, 2004, 72, 395

[7] Preparation of Cathode Active Materials for Lithium Ion Secondary Batteries Utilizing Microwave Irradiation: Electronic Structure of Lithium Manganese Oxide
S. Kobayashi, Y. Uchimoto, M. Wakihara
J. Mater. Res., 2004, 19, 2421

[6] Soft X-ray Absorpton Fine Structure Analysis on Lithium Manganese Oxide Prepared by Microwave Heating
S. Kobayashi, T. Usui, H. Ikuta, Y. Uchimoto, M. Wakihara
J. Am. Ceram. Soc., 2004, 87, 1002

[5] Lewis Acidity and Hardness of Group 13/III Metal Centered Alkoxides and Their Effects on Ionic Conductivity of Polymer Electrolyte
Y. Kato, K. Hasumi, H. Ikuta, Y. Uchimoto, M. Wakihara
Solid State Ionics, 2004, 172, 63

[4] Changes in Electronic Structure upon Lithium Insertion Reaction into the A-site deficient Perovskite Type Oxides, Gd1/3TaO3; Part 2. ab initio calculation
M. Nakayama, K. Imaki, Y. Uchimoto, M. Wakihara
Solid State Ionics, 2004, 172, 77

[3] Changes in Electronic Structure upon Lithium Insertion Reaction into the A-site deficient Perovskite Type Oxides, Gd1/3TaO3; Part 1. XAS Measurements
K. Imaki, M. Nakayama, Y. Uchimoto, M. Wakihara
Solid State Ionics, 2004, 172, 73

[2] XANES and EXAFS Analysis of Nano-size Manganese Dioxide as a Cathode Material for Lithium-ion Batteries
S. Kobayashi, R. M. Kottegoda, Y. Uchimoto, M. Wakihara
J. Mater. Chem., 2004, 14, 1843

[1] Changes in Electronic Structure of Li1-xCoPO4 as 4.8 V Material using X-ray Absorption Spectroscopy
M. Nakayama, S. Goto, Y. Uchimoto, M. Wakihara, Y. Kitajima
Chem. Mater., 2004, 16, 3399

2003

[14] First Principles Calculations of Formation Energies and Electronic Structures of Defects in Oxygen-Deficient LiMn2O4
Y. Koyama, I. Tanaka, H. Adachi, Y. Uchimoto, M. Wakihara
J. Electrochem. Soc., 2003, 150, A63

[13] Influence of Lewis acidic borate ester groups on lithium ions conduction in polymer electrolytes
Y. Kato, K. Suwa, H. Ikuta, Y. Uchimoto, M. Wakihara, S. Yokoyama, T. Yabe, M. Yamamoto
J. Mater. Chem., 2003, 13, 280

[12] Local structural studies of LiCryMn2-yO4 cathode materials for Li-ion batteries
M. Kaneko, S. Matsuno, T. Miki, M. Nakayama, H. Ikuta, Y. Uchimoto, M. Wakihara, K. Kawamura
J. Phys. Chem. B, 2003, 107, 1727

[11] Influence of PEG-borate Ester as a Lewis Acid on Ionic Conductivity of Polymer Electrolyte Containing Mg-salt
M. Saito, H. Ikuta, Y. Uchimoto, M. Wakihara, S. Yokoyama, T. Yabe, M. Yamamoto
J. Electrochem. Soc., 2003, 150, A477

[10] Charge-discharge Reaction Mechanism of Manganese Molybdenum Vanadium Oxide as a High Capacity Anode Material for Li Secondary Battery
D. Hara, J. Shirakawa, H. Ikuta, Y. Uchimoto, M. Wakihara, T. Miyanaga, I. Watanabe
J. Mater. Chem., 2003, 13, 897

[9] Investigation of the Effect of Lewis Acid on Ionic Conductivity of Polymer Electrolyte Containing Mg-salt
M. Saito, H. Ikuta, Y. Uchimoto, M. Wakihara, S. Yokoyama, T. Yabe, M. Yamamoto
J. Electrochem. Soc., 2003, 150, A726

[8] Changes of Electronic Structure Accompanying Lithium Insertion into the Perovskite Type Oxides Using X-ray Absorption Spectroscopy Measurement
M. Nakayama, K. Imaki, W. Ra, H. Ikuta, Y. Uchimoto, M. Wakihara
Chem. Mater., 2003, 15, 1728

[7] Preparation and Electrochemical Properties of Stoichiometric and Non-stoichiometric LiCoxMn2-xO4-d
Z. Wang, H. Ikuta, Y. Uchimoto, M. Wakihara
J. Electrochem. Soc., 2003, 150, A1250

[6] Changes in Local Structure During Electrochemical Li Insertion into A-site Deficient Perovskite Oxides, La1/3NbO3
M. Nakayama, H. Ikuta, Y. Uchimoto, M. Wakihara, Y. Terada, T. Miyanaga, I. Watanabe
J. Phys. Chem. B, 2003, 107, 10715

[5] Study on the AC Impedance Spectroscopy for the Li Insertion Reaction of LixLa1/3NbO3 at the Electrode-Electrolyte Interface
M. Nakayama, H. Ikuta, Y. Uchimoto, M. Wakihara
J. Phys. Chem. B, 2003, 107, 10603

[4] O K-edge X-ray absorption spectroscopic studies of LixLa1/3NbO3 using ab initio multiple scattering calculation
M. Nakayama, W. Ra, H. Ikuta, Y. Uchimoto, M. Wakihara
Electrochemistry, 2003, 71, 1025

[3] Grain size control of LiMn2O4 cathode material using microwave synthesis method
M. Nakayama, K. Watanabe, H. Ikuta, Y. Uchimoto, M. Wakihara
Solid State Ionics, 2003, 164, 35

[2] Preparation of novel solid polymer electrolytes containing group 13/III metal alkoxides as Lewis acid
K. Hasumi, H. Ikuta, Y. Uchimoto, M. Wakihara
Electrochemistry, 2003, 71, 1028

[1] Interaction between Lewis Acid Group of Borate Ester and Various Anion Species in Polymer Electrolyte Containing Mg-Salt
M. Saito, H. Ikuta, Y. Uchimoto, M. Wakihara, S. Yokoyama, T. Yabe, M. Yamamoto
J. Phys. Chem. B, 2003, 107, 11608

2002

[12] Reaction Mechanism of MnMoO4 for high capacity anode material of Li secondary battery
S. Kim, S. Ogura, H. Ikuta, Y. Uchimoto, M. Wakihara
Solid State Ionics, 2002, 146, 249

[11] Electrochemical lithium insertion for perovskite oxides, LiyLa(1-y)/3NbO3 (y=0, 0.1, 0.25)
M. Nakayama, K. Imaki, H. Ikuta, Y. Uchimoto, M. Wakihara
J. Phys. Chem. B, 2002, 106, 6437

[10] Ionic conduction of lithium in B-site substituted perovskite compounds, (Li0.1La0.3)yMxNb1-xO3 (M= Zr, Ti, Ta)
M. Nakayama, H. Ikuta, Y. Uchimoto, M. Wakihara
J. Mater. Chem., 2002, 12, 1500

[9] Electrochemical properties of manganese vanadium molybdenum oxide as the anode for Li secondary batteries
D. Hara, H. Ikuta, Y. Uchimoto, M. Wakihara
J. Mater. Chem., 2002, 12, 2507

[8] Molecular Dynamics Study on Lattice Defects and Heat Capacity of LiCr1/6Mn11/6O4-a
M. Tachibana, T. Tojo, H. Kawaji, T. Atake, N. Morita, H. Ikuta, Y. Uchimoto, M. Wakihara
J. Therm. Anal. Cal., 2002, 69, 997

[7] Enhancement of Rate Capability in Graphite Anode by Surface Modification with Zirconia
R. M. Kottegoda, Y. Kadoma, H. Ikuta, Y. Uchimoto, M. Wakihara
Electrochem. Solid-State Lett., 2002, 5, A275

[6] Relationship between the Li ionic conduction and the local structures in B-site substituted perovskite compounds, (Li0.1La0.3)xMxNb1-xO3 (M=Zr, Ti; x=0, 0.05)
M. Nakayama, H. Ikuta, Y. Uchimoto, M. Wakihara
Appl. Phys. Lett., 2002, 81, 2977

[5] Influence of oxygen stoichiometry on the spin-glass behavior of LiCrMnO4-d spinels
M. Tachibana, T. Tojo, H. Kawaji, T. Atake, H. Ikuta, Y. Uchimoto, M. Wakihara
Phys. Rev. B, 2002, 66, 092406-1

[4] Influence of PEG-Borate Ester on Thermal Property and Ionic Conductivity of the Polymer Electrolyte
Y. Kato, K. Hasumi, S. Yokoyama, T. Yabe, H. Ikuta, Y. Uchimoto, M. Wakihara
J. Therm. Anal. Cal., 2002, 69, 889

[3] Polymer electrolyte plasticized with PEG-borate ester having high ionic conductivity and thermal stability
Y. Kato, K. Hasumi, S. Yokoyama, T. Yabe, H. Ikuta, Y. Uchimoto, M. Wakihara
Solid State Ionics, 2002, 150, 355

[2] Thermally stable solid polymer electrolyte containing borate ester groups for lithium secondary battery
Y. Kato, K. Suwa, S. Yokoyama, T. Yabe, H. Ikuta, Y. Uchimoto, M. Wakihara
Solid State Ionics, 2002, 152, 155

[1] Charge-discharge Reaction Mechanism of Manganese Molybdenum Vanadium Oxide as a High Capacity Anode Material for Li Secondary Battery
D. Hara, J. Shirakawa, H. Ikuta, Y. Uchimoto, M. Wakihara, T. Miyanaga, I. Watanabe
J. Mater. Chem., 2002, 12, 3717

2001

[7] Changes in Electronic Structure by Li Ion Deintercalation in LiCoO2 From Cobalt L-edge and Oxygen K-edge XANES
Y. Uchimoto, H. Sawada, T. Yao
J. Synchrotron Rad., 2001, 8, 872

[6] EXAFS study of Crystal Structures of (Ba1-xLax)2In2O5+x and Their Oxide Ion Conductivity
Y. Uchimoto, T. Yao, H. Takagi, T. Inagaki, H. Yoshida
J. Synchrotron Rad., 2001, 8, 857

[5] Changes in Electronic Structure by Li Ion Deintercalation in LiNiO2 From Nickel L-edge and O K-edge XANES
Y. Uchimoto, H. Sawada, T. Yao
Journal of Power Sources, 2001, 97-98, 326

[4] Synthesis of MnMoO4 as High Capacity Anode Material for Li Secondary Battery
S. Kim, S. Ogura, H. Ikuta, Y. Uchimoto, M. Wakihara
Chemistry Letters, 2001, 760

[3] Electrochemical Performance of Natural Graphite by Surface Modification Using Alumina
S. Kim, Y. Kadoma, H. Ikuta, Y. Uchimoto, M. Wakihara
Electrochem. Solid-State Lett., 2001, 4, A109

[2] Thermally Stable Polymer Electrolyte Plastisized with PEG-borate Ester for Lithium Secondary Battery
Y. Kato, S. Yokoyama, H. Ikuta, Y. Uchimoto, M. Wakihara
Electrochemistry Communications, 2001, 3, 128

[1] Enhancement of Electrochemical Reaction Rate by Deposition of Alumina on Natural Graphite Surface
S. Kim, Y. Kadoma, H. Ikuta, Y. Uchimoto, M. Wakihara
Electrochemistry, 2001, 69, 830

2000

[5] Synthesis of (La,Sr)MeO3 (Me = Cr, Mn, Fe, Co) solid solutions from aqueous solutions
T. Yao, Y. Uchimoto, T. Sugiyama, Y. Nagai
Solid State Ionics, 2000, 135, 359

[4] Preparation of Thin Cation Exchange Membranes by Using Glow Discharge Plasma Polymerization and Its Reactions
Y. Uchimoto, E. Endo, K. Yasuda, Y. Yamasaki, Z. Ogumi, Z. Takehara, O. Kitao
J. Electrochem. Soc., 2000, 147, 111

[3] Crystal Structure of Ga-doped Ba2In2O5 and Its Oxide Ion Conductivity
T. Yao, Y. Uchimoto, M. Kinuhata, T. Inagaki, H. Yoshida
Solid State Ionics, 2000, 132, 189

[2] Crystal Structure of (Ba1-xLax)2In2O5+x and Its Oxide Ion Conductivity
Y. Uchimoto, T. Yao, H. Takagi, T. Inagaki, H. Yoshida
Electrochemistry, 2000, 68, 531

[1] Reactions in Vapor-Phase Electrolytic Deposition for Preparing Yttria-Stabilized Zirconia Thin Films
Y. Uchimoto, K. Tsutsumi, T. Ioroi, Z. Ogumi, Z. Takehara
J. Am. Ceram. Soc., 2000, 83, 77

1999

[1] EXAFS Study of Coordination Structures of Gd-doped Ba2In2O5
Y. Uchimoto, M. Kinuhata, T. Yao
Jpn. J. Appl. Phys., 1999, 38, 111

1998

[2] Kinetics of Vapor-Phase Electrolytic deposition of Yttria-Stabilized Zirconia Thin Films
Y. Uchimoto, K. Tsutsumi, T. Ioroi, Z. Ogumi, Z. Takehara
J. Electrochem. Soc., 1998, 145, 4277

[1] Preparation of Perovskite-Type La1-xSrxMnO3 Films by Vapor-Phase Processes and Their Electrochemical Properties. Part 2
T. Ioroi, T. Hara, Y. Uchimoto, Z. Ogumi, Z. Takehara
J. Electrochem. Soc., 1998, 145, 1999

1997

[1] Preparation of Perovskite-Type La1-xSrxMnO3 Films by Vapor-Phase Processes and Their Electrochemical Properties
T. Ioroi, T. Hara, Y. Uchimoto, Z. Ogumi, Z. Takehara
J. Electrochem. Soc., 1997, 144, 1362

1996

[3] Preparation of Functionally Gradient Fluorocarbon Polymer Films by Plasma Polymerization of NF3 and Propylene
A. Tasaka, A. Koumura, Y. Uchimoto, M. Inaba, Z. Ogumi
J. Polym. Sci., Polym. Chem., 1996, 34, 193

[2] Preparation and Characteristics of LaMnO3 Thin Film Electrode on YSZ by a Vapor-Phase Process
T. Ioroi, Z. Ogumi, Z. Takehara, Y. Uchimoto
Chemistry Letters, 1996, 949

[1] Preparation and Characteristics of Ni/YSZ Cermet Anodes by Vapor-Phase Deposition
T. Ioroi, Y. Uchimoto, Z. Ogumi, Z. Takehara
Denki Kagaku, 1996, 64, 562

1995

[3] Enhancement of the Monovalent Cation Perm-Selectivity of Nafion by Plasma-Induced Surface Modification
Z. Takehara, Z. Ogumi, Y. Uchimoto, K. Yasuda
J. Adhesion Sci., Technol., 1995, 9, 615

[2] Electrochemistry Using Plasma
Z. Ogumi, Y. Uchimoto, Z. Takehara
Adv. Mater., 1995, 7, 323

[1] Novel Method for Preparing Nickel/YSZ Cermet by a Vapor-Phase Process
Z. Ogumi, T. Ioroi, Y. Uchimoto, Z. Takehara, T. Ogawa, K. Toyama
J. Am. Ceram. Soc., 1995, 78, 593

1994

[3] Preparation of Thin Perfluorosulfonate Cation-Exchanger Films by Plasma Polymerization
K. Yasuda, Y. Uchimoto, Z. Takehara
J. Electrochem. Soc., 1994, 141, 2350

[2] Vapor-Phase Electrolytic Deposition: A Novel Method for Preparation of Oriented Thin Films
Y. Uchimoto, T. Okada, Z. Ogumi, Z. Takehara
J. Chem. Soc., Chem. Commun., 1994, 1994, 585

[1] Polymerization-Pressure Dependencies of Properties of Perfluorosulfonate Cation-Exchanger Thin Films by Plasma Polymerization
K. Yasuda, Y. Uchimoto, Z. Ogumi, Z. Takehara
Ber. Bunsenges. Phys. Chem., 1994, 98, 631

1993

[4] Preparation of Thin Cation-Exchange Membranes for Redox-Flow Battery Using Glow-Discharge Plasma Process
K. Yasuda, Y. Uchimoto, Z. Ogumi, Z. Takehara
Denki Kagaku, 1993, 61, 1438

[3] Preparation of Thin Cation-Exchanger Films from Benzenesulfonyl Fluoride by Glow Discharge Plasma Processes
Y. Uchimoto, K. Yasuda, Z. Ogumi, Z. Takehara, A. Tasaka, T. Imahigashi
Ber. Bunsenges. Phys. Chem., 1993, 97, 625

[2] Modification of Lithium/Electrolyte Interface by Plasma Polymerization of 1,1-difluoroethene
Z. Takehara, Z. Ogumi, Y. Uchimoto, K. Yasuda, H. Yoshida
Journal of Power Sources, 1993, 43, 377

[1] Ionically Conductive Polymer Films Prepared by Plasma Polymerization. Part 9. Vapor-Phase Preparation of Solid Polymer Electrolytes Composed of Plasma Polymer and Lithium Trifluoromethanesulfonate
Z. Ogumi, Y. Uchimoto, E. Endo, K. Yasuda, Z. Takehara
Polym. Adv. Technol., 1993, 4, 188

1992

[5] Ionically Conductive Polymer Films Prepared by Plasma Polymerization. Part 8. Vapor-Phase Preparation of Solid Polymer Electrolytes Composed of Plasma Polymer and Vapor-deposited Lithium Iodide Complex
Z. Ogumi, Y. Uchimoto, E. Endo, Z. Takehara
Electrochimica Acta, 1992, 37, 1483

[4] Preparation of Thin Yttria-stabilized Zirconia Films by Vapor-Phase Electrolytic Deposition
Z. Ogumi, Y. Uchimoto, Y. Tsuji, Z. Takehara
Solid State Ionics, 1992, 58, 345

[3] Electrodeposition of Thin Yttria Stabilized Zirconia Layers Using Glow Discharge Plasma
Z. Ogumi, Y. Uchimoto, Y. Tsuji, Z. Takehara
J. Appl. Phys., 1992, 72, 1577

[2] Modification of Ion-Exchange Membrane Surface by Plasma Process. Part 5. Surface Modification of Nafion by 3-(2-aminoethyl)aminopropyltrimethoxysilane
Z. Ogumi, Y. Uchimoto, K. Yasuda, T. Yoshida, Z. Takehara
Denki Kagaku, 1992, 60, 462

[1] Enhancement of Monovalent Cation Perm-selectivity of Nafion by Plasma-induced Surface Modification
K. Yasuda, T. Yoshida, Y. Uchimoto, Z. Ogumi, Z. Takehara
Chemistry Letters, 1992, 2013

1991

[1] Thin Film Solid-state Lithium Batteries Prepared by Consecutive Vapor-phase Processes
Z. Takehara, Z. Ogumi, Y. Uchimoto, E. Endo, Y. Kanamori
J. Electrochem. Soc., 1991, 138, 1574

[1] Thin Cation-exchanger Films by Plasma Polymerization of 1,3-Butadiene and Methyl Benzenesulfonate
Y. Uchimoto, K. Yasuda, Z. Ogumi, Z. Takehara
J. Electrochem. Soc., 1991, 138, 3190

1990

[9] A New Ultra-thin Fluorinated Cation-Exchange Film Prepared by Plasma Polymerization
Z. Ogumi, Y. Uchimoto, Z. Takehara
J. Electrochem. Soc., 1990, 137, 3319

[8] A Novel thin film of Anion Exchanger Prepared by Plasma Polymerization
Z. Ogumi, Y. Uchimoto, K. Yasuda, Z. Takehara
Chemistry Letters, 1990, 513

[7] A New Ultra-thin Cation-exchange Membrane Prepared by Plasma Polymerization
Z. Ogumi, Y. Uchimoto, M. Tsujikawa, Z. Takehara
Chemistry Letters, 1990, 953

[6] Ionically Conductive Polymer Films Prepared by Plasma Polymerization. Part 7. Preparation and Characterization of Solid Polymer Electrolyte Having Fixed Carboxylic Acid Groups with Single Mobile Species
Y. Uchimoto, Z. Ogumi, Z. Takehara
Solid State Ionics, 1990, 40/41, 624

[5] Ionically Conductive Polymer Films Prepared by Plasma Polymerization. Part 5. Preparation and Characterization of Solid Polymer Electrolyte Composed of Plasma Polymerized Tris(2-methoxyethoxy)vinylsilane-LiClO4 Complex
Y. Uchimoto, Z. Ogumi, Z. Takehara, F. R. Foulkes
J. Electrochem. Soc., 1990, 137, 35

[4] Ionically Conductive Polymer Films Prepared by Plasma Polymerization. Part 3. Preparation and Characterization of Ultrathin Films Having Fixed Sulfonic Acid Groups with Only One Mobile Species
Z. Ogumi, Y. Uchimoto, Z. Takehara, F. R. Foulkes
J. Electrochem. Soc., 1990, 137, 29

[3] Modification of Ion-Exchange Membrane Surface by Plasma Process. Part 2. Monovalent Cation Perm-Selective Membrane from Perfluorosulfonate Cation Exchange Membrane
Z. Ogumi, Y. Uchimoto, M. Tsujikawa, K. Yasuda, Z. Takehara
J. Membrane Sci., 1990, 54, 163

[2] Modification of Ion-Exchange Membrane Surface by Plasma Process. Part 3. Interfacial Resistance of Monovalent Cation Perm-Selective Membrane from Nafion
Z. Ogumi, Y. Uchimoto, M. Tsujikawa, K. Yasuda, Z. Takehara
Bull. Chem. Soc. Jpn., 1990, 63, 2150

[1] Modification of Ion-Exchange Membrane Surface by Plasma Process. Part 1. H+ Ion Perm-Selective Membrane from Nafion for Redox-Flow Battery
Z. Ogumi, Y. Uchimoto, M.Tsujikawa, Z. Takehara, F. R. Foulkes
J. Electrochem. Soc., 1990, 137, 1430

1989

[6] Preparation of Ultra-thin Solid-state Lithium Batteries Utilizing a Plasma-polymerized Solid Polymer Electrolyte
Z. Ogumi, Y. Uchimoto, Z. Takehara, Y. Kanamori
J. Chem. Soc., Chem. Commun., 1989, 1673

[5] Novel Thin Film of a Solid Polymer Electrolyte Composed of Plasma-Polymerized Tris(2-methoxyethoxy)-vinylsilane-LiClO4 Hybrid
Z. Ogumi, Y. Uchimoto, Z. Takehara
J. Chem. Soc., Chem. Commun., 1989, 358

[4] Enhancement of Proton selectivity of Cation Exchange Membrane by Plasma Modification
Z. Ogumi, Y. Uchimoto, M. Tsujikawa, Z. Takehara
J. Electrochem. Soc., 1989, 136, 1247

[3] Ionically Conductive Polymer Films Prepared by Plasma Polymerization. Part 6. Plasma-Parameter-Dependent Characteristics of Solid Polymer Electrolytes Composed of Plasma Polymerized Tris(2-methoxyethoxy)vinylsilane-Lithium Perchlorate
Y. Uchimoto, Z. Ogumi, Z. Takehara
Solid State Ionics, 1989, 35, 417

[2] Ionically Conductive Polymer Films Prepared by Plasma Polymerization. Part 1. Hybrid Film of Plasma Polymer Formed from Octamethylcyclotetrasiloxane, Poly(propylene oxide), and Lithium Perchlorate
Z. Ogumi, Y. Uchimoto, Z. Takehara
J. Electrochem. Soc., 1989, 136, 625

[1] Preparation and Characterization of a Thin Film of Polymer Electrolyte by Plasma CVD. Part 4, All-Solid-State Lithium Batteries
Z. Ogumi, Y. Uchimoto, Z. Takehara
Journal of Power Sources, 1989, 26, 457

1988

[2] Thin All-solid-state Lithium Batteries Utilizing Solid Polymer Electrolyte Prepared by Plasma Polymerization
Z. Ogumi, Y. Uchimoto, Z. Takehara, Y. Kanamori
J. Electrochem. Soc., 1988, 135, 2649

[1] A New Ultra-thin Film of Solid Polymer Electrolyte Prepared by Plasma Polymerization
Z. Ogumi, Y. Uchimoto, Z. Takehara
Chemistry Letters, 1988, 1811