Influence of Perovskite Catalysts and Carbon Graphitization on Carbon Oxidation under Oxygen Evolution Reaction Conditions: A DEMS Study Reviewed

Jiayuan Ni, Yuto Miyahara, Ryo Sakamoto, Changhee Lee, Kohei Miyazaki, Atsunori Ikezawa, Hajime Arai, Takeshi Abe

Journal of The Electrochemical Society   172 ( 9 )   094506 - 094506   2025.9

Operando Confocal Microscopy of Structured Battery Electrodes Reviewed

Arvind Pujari, Kumar Raju, Atsuko Yaguchi, Yoshihiro Nishimura, Yuya Akimoto, Atsunori Ikezawa, Hajime Arai, Michael De Volder

Journal of The Electrochemical Society   172 ( 7 )   2025.7

How do pore sizes affect the oxygen reduction reaction kinetics of platinum electrodes? Reviewed

Kota Nakahara, Atsunori Ikezawa, Junichi Inamoto, Takeyoshi Okajima, Hajime Arai

Journal of Materials Chemistry A   13 ( 24 )   18338 - 18347   2025.4

Application of Potassium Pyrophosphate Aqueous Electrolytes to Nickel Metal Hydride Batteries Reviewed

Hiroshi Suyama, Shigeki Sato, Tomoya Matsunaga, Toshihiko Inoue, Atsunori Ikezawa, Hajime Arai

ACS Applied Energy Materials   8 ( 7 )   4257 - 4264   2025.3

written in Japanese Reviewed

Ikezawa Atsunori, Hajime Arai

12 ( 6 )   69 - 75   2025.3

Electrochemical Devices | Metal-Air Batteries Reviewed

Hajime Arai, Atsunori Ikezawa

Encyclopedia of Electrochemical Power Sources (Second Edition)   1   292 - 300   2025.1

Chemistry and Electrochemistry | Zinc Reviewed

J.-Y. Huo, Atsunori Ikezawa, Hajime Arai

Encyclopedia of Electrochemical Power Sources (Second Edition)   1   852 - 863   2025.1

Batteries – Battery Types – Zinc Batteries | Zinc–Air Reviewed

Hajime Arai, Atsunori Ikezawa, Jean-Francois Drille

Encyclopedia of Electrochemical Power Sources (Second Edition)   3   851 - 864   2025

Lithium Batteries – Lithium Secondary Batteries – Li-ion Battery | Positive Electrode: Lithium Cobalt Oxide Reviewed

Hajime Arai, Atsunori Ikezawa

Encyclopedia of Electrochemical Power Sources (Second Edition)   4   218 - 225   2025

Mitigation of resistance increase in positive electrodes of lithium-ion batteries during floating–cycling by operating voltage control Reviewed

Tetsuya Omiya, Atsunori Ikezawa, Keita Takahashi, Keiichi Saito, Masao Yonemura, Takashi Saito, Takashi Kamiyama, Kazuhiro Mori, Hajime Arai

EES Batteries   1   1323 - 1337   2025

Designing Bifunctional Bilayer Air Electrode for Zinc−Air Batteries Reviewed

Rui Liu, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai

ECS Meeting Abstracts   2024.11

Quantitative Differential Electrochemical Mass Spectroscopy Analysis of Electrochemical Carbon Corrosion Reactions in Alkaline Electrolyte Solutions Reviewed

Shugo Shimizu, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai

ECS Meeting Abstracts   2024.11

Effect of Micro- and Mesopore Size on Electronic Structure and Oxygen Reduction Kinetics of Platinum Reviewed

Kota Nakahara, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai

ECS Meeting Abstracts   2024.11

(Fe, N)-Doped Carbon Black Catalysts for Oxygen Reduction Reaction Applied to Gas-Diffusion Electrodes Reviewed

Guanyu Wang, Atsunori Ikezawa, Keiko Waki, Takeyoshi Okajima, Hajime Arai

ECS Meeting Abstracts   2024.11

Oxygen Evolution Reaction Activity of Highly Crystalline Hydrated Cobalt Oxyhydroxide Synthesized with Soft Chemistry Reviewed

Haruhisa Nakata, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai

ECS Meeting Abstracts   2024.11

Electrochemical Analyses of the Li-Ion Transfer Resistances at the Chloride Solid Electrolyte | Sulfide Solid Electrolyte Interfaces Reviewed

Kotaro Yoshida, Atsunori Ikezawa, Takeyoshi Okajima, Shoma Yanagihara, Saneyuki Ohno, Hajime Arai

ECS Meeting Abstracts   2024.11

Charge-Discharge Behavior of Spinel-Type Manganese Dioxide for Positive Electrode Materials for Aqueous Proton Batteries Reviewed

Yusuke Kida, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai

ECS Meeting Abstracts   2024.11

Operando XRD Observation of NMC Cathode for Reaction Distribution Analysis Under Fast Discharging Reviewed

Masataka Mashino, Atsunori Ikezawa, Marina Murakami, Takeshi Shimomura, Takeyoshi Okajima, Hajime Arai

ECS Meeting Abstracts   2024.11

Elucidation of Degradation Mechanism of Lithium-Ion Batteries Under High Temperature Environment Reviewed

Tomohiro Osaki, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai

ECS Meeting Abstracts   2024.11

Analysis of Species Concentrations in Bifunctional Air Electrodes Using Mathematical Modeling and Simulation Reviewed

Atsunori Ikezawa, Kotaro Seki, Moritz Borkenhagen, Hajime Arai, Daniel Schröder

ECS Meeting Abstracts   2024.11

Indicators for Optical Analysis of Local Conditions in Bifunctional Air Electrodes Reviewed

Nanako Nonaka, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai

ECS Meeting Abstracts   2024.11

Reduced artifacts in dynamic electrochemical impedance spectroscopy applied to battery degradation analysis Reviewed

Davide Cavaliere, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai

Journal of Power Sources   621   235316 - 235316   2024.11

Effect of Cobalt Substitution on the Activation of the LiNiO2 Discharge Reaction Reviewed

Haruki Kaneda, Yuki Furuichi, Tomohiro Yoshida, Atsunori Ikezawa, Hajime Arai

Inorganic Chemistry   63 ( 36 )   16750 - 16767   2024.9

An all-solid-state electrochemical four-electrode cell–Application to Li-ion transport between two sulfide solid electrolytes Reviewed

Kotaro Yoshida, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai

Electrochimica Acta   497   144523 - 144523   2024.9

Soft chemistry-derived Al-substituted hydrated nickel hydroxide electrodes for rechargeable aqueous batteries Reviewed

Kento Imai, Atsunori Ikezawa, Shigeki Sato, Hajime Arai

Chemical Communications   60 ( 17 )   10192 - 10195   2024.8

Operando X-Ray Imaging of the Charge-Discharge Behavior of Zinc-Air Batteries Reviewed

Wooseok KANG, Shumpei KUBOTA, Manabu KODAMA, Atsunori IKEZAWA, Hajime ARAI, Shuichiro HIRAI

Electrochemistry   92 ( 8 )   087003   2024.7

Analytical Observation of Cathodic Zinc Deposition in High-Capacity Zinc Oxide Electrodes for Rechargeable Zinc-based Batteries: Influence of the Current Rate in the First Charging Reviewed

Mitsuhiro KISHIMI, Masahito MORITA, Tatsumi HIRANO, Hisao KIUCHI, Kentaro KAJIWARA, Tomoya KAWAGUCHI, Akiyoshi NAKATA, Hajime ARAI, Eiichiro MATSUBARA, Zempachi OGUMI, Masayuki MORITA, Takeshi ABE

Electrochemistry   92 ( 5 )   057001 - 057001   2024.5

Diagnosis of Li-ion battery degradation based on resistive and diffusion-related transient voltage changes at early stage of discharge Reviewed

Davide Cavaliere, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai

Journal of Power Sources   603   2024.5

Enhanced Oxygen Reduction Activity of Platinum Micropore Reviewed

Kota Nakahara, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai

ChemElectroChem   11 ( 5 )   2024.3

Phase Transition Kinetics of LiFePO₄ Biphasic Systems in Aqueous and Non-aqueous Electrolytes Reviewed

Chihiro YAMAMOTO, Atsunori IKEZAWA, Takeyoshi OKAJIMA, Hajime ARAI

Electrochemistry   92 ( 2 )   027001   2024.2

Quantitative DEMS analysis of CO2 evolution reactions in alkaline electrolyte solutions Reviewed

Atsunori Ikezawa, Juri Kida, Kohei Miyazaki, Hajime Arai

Electrochemistry Communications   159   107647 - 107647   2024.2

written in Japanese

Hajime Arai

93 ( 1 )   60 - 63   2024.1

Operando x-ray imaging of zinc-air flow battery anode Reviewed

Shumpei KUBOTA, Wooseok KANG, Manabu KODAMA, Atsunori IKEZAWA, Hajime ARAI, Shuichiro HIRAI

Transactions of the JSME (in Japanese)   90 ( 935 )   24 - 00098   2024

Combination of float charging and occasional discharging to cause serious LIB degradation analyzed by operando neutron diffraction Reviewed

Tetsuya Omiya, Atsunori Ikezawa, Keita Takahashi, Keiichi Saito, Masao Yonemura, Takashi Saito, Takashi Kamiyama, Hajime Arai

Energy Advances   3 ( 2 )   529 - 542   2024

Superior oxygen evolution reaction activities of highly crystalline Ni1−xFex-LDH (0.20 ≤ x ≤ 0.51) synthesized using soft chemistry Reviewed

Atsunori Ikezawa, Shinji Koito, Hajime Arai

Journal of Materials Chemistry A   12 ( 45 )   31603 - 31611   2024

Quantitative Analysis of CO2 Evolution in an Alkaline Electrolyte Solution By Differential Electrochemical Mass Spectroscopy Reviewed

Atsunori Ikezawa, Juri Kida, Shugo Shimizu, Hajime Arai

ECS Meeting Abstracts   2023.12

Enhanced Kinetics of Oxygen Reduction Reactions in Alkaline Solutions inside Mesoporous Electrodes Reviewed

Kota Nakahara, Atsunori Ikezawa, Hajime Arai

ECS Meeting Abstracts   2023.12

Phase Transition Behavior of Biphasic Systems Affected By the Charge-Transfer Process Reviewed

Chihiro Yamamoto, Atsunori Ikezawa, Hajime Arai

ECS Meeting Abstracts   2023.12

Anticrystallization and Superionic Conduction of Highly Concentrated Potassium Pyrophosphate Aqueous Electrolytes Reviewed International journal

Hiroshi Suyama, Shigeki Sato, Tomoya Matsunaga, Toshihiko Inoue, Atsunori Ikezawa, Hajime Arai

ACS Applied Energy Materials   6 ( 23 )   11897 - 11905   2023.12

Impedance Analysis and Cyclability Evaluation of Graphite Composite Electrodes with All-Solid-State Three-Electrode Cells Reviewed International journal

Goro Fukunishi, Atsunori Ikezawa, Takeyoshi Okajima, Fusao Kitamura, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno, Hajime Arai

ACS Applied Energy Materials   6 ( 21 )   10908 - 10917   2023.11

Operando X-Ray Imaging of Gas-Electrolyte Behavior in the Zinc-Air Batteries Reviewed

Wooseok Kang, Manabu Kodama, Atsunori Ikezawa, Hajime Arai, Shuichiro Hirai

ECS Meeting Abstracts   2023.8

Selective Synthesis of Perovskite Oxyhydrides Using a High-Pressure Flux Method Reviewed

Jinya Suzuki, Hiroyasu Okochi, Naoki Matsui, Teppei Nagase, Haruki Tochizawa, Hiroki Sahara, Takumi Nishikubo, Yuki Sakai, Takuya Ohmi, Zhao Pan, Takashi Saito, Hiroyuki Saitoh, Atsunori Ikezawa, Hajime Arai, Ryoji Kanno, Takafumi Yamamoto, Masaki Azuma

Journal of the American Chemical Society   145 ( 30 )   16398 - 16405   2023.7

AC impedance analysis of NCM523 composite electrodes in all-solid-state three electrode cells and their degradation behavior Reviewed International journal

Goro Fukunishi, Mayu Tabuchi, Atsunori Ikezawa, Takeyoshi Okajima, Fusao Kitamura, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno, Hajime Arai

Journal of Power Sources   564   232864-1 - 232864-10   2023.4

written in Japanese

Atsunori Ikezawa, Hajime Arai

212 - 223   2023.4

written in Japanese

Hajime Arai

93 ( 2 )   127 - 131   2023.2

written in Japanese

Hajime Arai, Atsunori Ikezawa

CERAMICS JAPAN   58 ( 1 )   5   2023.1

A high voltage aqueous proton battery using an optimized operation of a MoO3 positive electrode Reviewed International journal

Atsunori Ikezawa, Yukinori Koyama, Tadaaki Nishizawa, Hajime Arai

Journal of Materials Chemistry A   11 ( 5 )   2360 - 2366   2023

written in Japanese

Hajime Arai

28 ( 7 )   460 - 463   2023

Single-Crystal-like Durable LiNiO2 Positive Electrode Materials for Lithium-Ion Batteries Reviewed International journal

Haruki Kaneda, Yuki Furuichi, Atsunori Ikezawa, Hajime Arai

ACS Applied Materials & Interfaces   14 ( 47 )   52766 - 52778   2022.11

Oxygen Reduction Activity and Interfacial Structures of La0.8Sr0.2CoO3 at Initial Electrochemical Process in an Alkaline Solution Reviewed International journal

Akira MATSUZAKI, Masaaki Hirayama, Shouya OHGUCHI, Mamoru KOMO, Atsunori IKEZAWA, Kota SUZUKI, Kazuhisa TAMURA, Hajime ARAI, Ryoji KANNO

Electrochemistry   90 ( 10 )   107001 - 107001   2022.10

Development of MoO3-Based Proton Batteries Reviewed

Atsunori Ikezawa, Tadaaki Nishizawa, Yukinori Koyama, Hajime Arai

ECS Meeting Abstracts   2022.10

Rational Placement of Catalysts for Oxygen Reduction and Evolution Reactions Based on the Reaction Sites in Porous Gas Diffusion Electrodes Reviewed

Atsunori Ikezawa, Kotaro Seki, Hajime Arai

ECS Meeting Abstracts   2022.10

Phase Transition Behavior of LiFePO4 in Non-Aqueous and Aqueous Electrolytes Reviewed

Chihiro Yamamoto, Atsunori Ikezawa, Hajime Arai

ECS Meeting Abstracts   2022.10

written in Japanese Reviewed

Hajime Arai, Tetsuya Omiya, Atsunori Ikezawa

34   101 - 108   2022.10

written in Japanese

Atsunori Ikezawa, Hajime Arai

MATERIAL STAGE   22 ( 4 )   51   2022.7

Carbon-Free Reversible Air Electrodes based on Perovskite Oxide and Conductive Oxide for Rechargeable Zinc-Air Batteries Reviewed

Naoko Fujiwara, Tsutomu Ioroi, Hajime Arai

Journal of The Electrochemical Society   169 ( 5 )   050534 - 050534   2022.5

written in Japanese

Hajime Arai, Ikezawa Atsunori

15 ( 3 )   15   2022.5

written in Japanese Reviewed

Hajime Arai, Atsunori Ikezawa

CSJ Current Review 44 Chemistry of Batteries for Mobilities   45 - 49   2022.3

Impact of Hydrogen Peroxide on Carbon Corrosion in Aqueous KOH Solution Reviewed International journal

Atsunori IKEZAWA, Kohei MIYAZAKI, Tomokazu FUKUTSUKA, Takeshi ABE

Electrochemistry   90 ( 1 )   017011 - 017011   2022.1

(Invited) Chimie Douce for Variety of Layered Materials Reviewed

Hajime Arai, Kento Imai, Tadaaki Nishizawa, Atsunori Ikezawa

ECS Meeting Abstracts   2021.10

Synthesis and Electrochemical Performances of Ni-Rich LiNixAl1 –XO2 (x=0.95, 0.92) Positive Electrode Materials for Li-Ion Batteries Reviewed

Haruki Kaneda, Yuuki Furuichi, Atsunori Ikezawa, Hajime Arai

ECS Meeting Abstracts   2021.10

Design of bifunctional air electrodes based on the reaction fields between oxygen reduction reaction and oxygen evolution reaction Reviewed

Atsunori Ikezawa, Kotaro Seki, Hajime Arai

Electrochimica Acta   394   139128 - 139128   2021.10

In-situ Observations of Electrode Systems for Aqueous Secondary Batteries Reviewed

Atsunori Ikezawa, Hajime Arai

BATTERY TECHNOLOGY   33   87 - 95   2021.10

Occurrence of shape change in rechargeable alkaline zinc electrodes observed by operando confocal optics and X-ray diffraction Reviewed

Atsunori Ikezawa, Masato Horiuchi, Hajime Arai

Journal of Power Sources   507   230291 - 230291   2021.9

Operando Optical Analysis of LiFePO4 Composite Electrodes Reviewed International journal

Hajime Arai, Atsuko Yaguchi, Yoshihiro Nishimura, Yuya Akimoto, Atsunori Ikezawa

The Journal of Physical Chemistry C   125 ( 7 )   3776 - 3780   2021.2

Effects of aluminum substitution in nickel-rich layered LiNixAl1−xO2 (x = 0.92, 0.95) positive electrode materials for Li-ion batteries on high-rate cycle performance Reviewed International journal

Haruki Kaneda, Yuki Furuichi, Atsunori Ikezawa, Hajime Arai

Journal of Materials Chemistry A   9 ( 38 )   21981 - 21994   2021

All-Solid-State Three-Electrode Cells with Reduced Li4Ti5O12 Reference Electrode Reviewed

Goro Fukunishi, Atsunori Ikezawa, Takeyoshi Okajima, Fusao Kitamura, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno, Hajime Arai

ECS Meeting Abstracts   {MA}2020-02 ( 5 )   1011 - 1011   2020.11

Operando Observation of Zinc Negative Electrode Using Confocal Optical System and X-Ray Diffraction Reviewed

Atsunori Ikezawa, Masato Horiuchi, Hajime Arai

ECS Meeting Abstracts   {MA}2020-02 ( 2 )   175 - 175   2020.11

Metal–Air Batteries: Present and Perspectives Reviewed

Hajime Arai, Jürgen Garche, Luis C. Colmenares

Electrochemical Power Sources: Fundamentals, Systems, and Applications   2020.10

Bifunctional electrocatalysts of lanthanum-based perovskite oxide with Sb-doped SnO2 for oxygen reduction and evolution reactions Reviewed

Naoko Fujiwara, Tsukasa Nagai, Tsutomu Ioroi, Hajime Arai, Zempachi Ogumi

Journal of Power Sources   451   227736 - 227736   2020.3

Performance of Li4Ti5O12-based reference electrode for the electrochemical analysis of all-solid-state lithium-ion batteries Reviewed International journal

Ikezawa, Atsunori, Fukunishi, Goro, Okajima, Takeyoshi, Kitamura, Fusao, Suzuki, Kota, Hirayama, Masaaki, Kanno, Ryoji, Arai, Hajime

Electrochemistry Communications   116   106743 - 106743   2020

Optical Observation of LiFePO4 Electrode Inhomogeneity Reviewed

Hajime Arai, Atsuko Yaguchi, Yoshihiro Nishimura, Yuya Akimoto, Atsunori Ikezawa

ECS Meeting Abstracts   2019.2

Local Reactions in Bifunctional Air Electrodes for Aqueous Metal-Air Secondary Batteries Reviewed

Atsunori Ikezawa, Kohei Miyazaki, Tomokazu Fukutsuka, Hajime Arai, Takeshi Abe

ECS Meeting Abstracts   {MA}2019-03 ( 2 )   129 - 129   2019.2

Influence of Morphology of Highly Ordered Mesoporous Carbon Replica on Electrochemical Properties of Air Electrodes with Pt-Ru Electrocatalyst/Carbon Replica Support in Nonaqueous Electrolyte Solution Reviewed International journal

Hayashi, Masahiko, Sakamoto, Shuhei, Nohara, Masaya, Iwata, Mikayo, Suzuki, Kota, Hirayama, Masaaki, Nakamura, Jiro, Arai, Hajime, Kanno, Ryoji, Komatsu, Takeshi

Electrochemistry   87 ( 1 )   52 - 58   2019

written in Japanese Reviewed

Hajime Arai

Denki Kagaku   86 ( Winter )   311 - 314   2018.12

A Reversible Rocksalt to Amorphous Phase Transition Involving Anion Redox Reviewed

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   8 ( 1 )   2018.12

Enhanced zinc electrode rechargeability in alkaline electrolytes containing hydrophilic organic materials with positive electrode compatibility Reviewed

Tadashi Kakeya, Akiyoshi Nakata, Hajime Arai, Zempachi Ogumi

Journal of Power Sources   407   180 - 184   2018.12

Site-Selective Analysis of Nickel-Substituted Li-Rich Layered Material: Migration and Role of Transition Metal at Charging and Discharging Reviewed

Hideyuki Komatsu, Taketoshi Minato, Toshiyuki Matsunaga, Keiji Shimoda, Tomoya Kawaguchi, Katsutoshi Fukuda, Koji Nakanishi, Hajime Tanida, Shunsuke Kobayashi, Tsukasa Hirayama, Yuichi Ikuhara, Hajime Arai, Yoshio Ukyo, Yoshiharu Uchimoto, Eiichiro Matsubara, Zempachi Ogumi

The Journal of Physical Chemistry C   122 ( 35 )   20099 - 20107   2018.9

In situ Zn/ZnO mapping elucidating for "shape change" of zinc electrode Reviewed

Akiyoshi Nakata, Hajime Arai, Haruno Murayama, Katsutoshi Fukuda, Tomokazu Yamane, Toshiro Hirai, Yoshiharu Uchimoto, Jun-Ichi Yamaki, Zempachi Ogumi

APL Materials   6 ( 4 )   047703   2018.4

Effect of Vanillin to Prevent the Dendrite Growth of Zn in Zinc-Based Secondary Batteries Reviewed

Mukkannan Azhagurajan, Akiyoshi Nakata, Hajime Arai, Zempachi Ogumi, Tetsuya Kajita, Takashi Itoh, Kingo Itaya

Journal of The Electrochemical Society   164 ( 12 )   A2407 - A2417   2017.8

Brownmillerite-type Ca<inf>2</inf>FeCoO<inf>5</inf> as a Practicable Oxygen Evolution Reaction Catalyst Reviewed International journal

Etsushi Tsuji, Teruki Motohashi, Hiroyuki Noda, Damian Kowalski, Yoshitaka Aoki, Hajime Tanida, Junji Niikura, Yukinori Koyama, Masahiro Mori, Hajime Arai, Tsutomu Ioroi, Naoko Fujiwara, Yoshiharu Uchimoto, Zempachi Ogumi, Hiroki Habazaki

ChemSusChem   10 ( 14 )   2841   2017.7

Amorphous Metal Polysulfides: Electrode Materials with Unique Insertion/Extraction Reactions Reviewed

Atsushi Sakuda, Koji Ohara, Katsutoshi Fukuda, Koji Nakanishi, Tomoya Kawaguchi, Hajime Arai, Yoshiharu Uchimoto, Toshiaki Ohta, Eiichiro Matsubara, Zempachi Ogumi, Toyoki Okumura, Hironori Kobayashi, Hiroyuki Kageyama, Masahiro Shikano, Hikari Sakaebe, Tomonari Takeuchi

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY   139 ( 26 )   8796 - 8799   2017.7

Direct observation of layered-to-spinel phase transformation in Li2MnO3 and the spinel structure stabilised after the activation process Reviewed International journal

Shimoda Keiji, Oishi Masatsugu, Matsunaga Toshiyuki, Murakami Miwa, Yamanaka Keisuke, Arai Hajime, Ukyo Yoshio, Uchimoto Yoshiharu, Ohta Toshiaki, Matsubara Eiichiro, Ogumi Zempachi

Journal of Materials Chemistry A   5 ( 14 )   6695 - 6707   2017.5

Hidden Two-Step Phase Transition and Competing Reaction Pathways in LiFePO4 Reviewed

Yukinori Koyama, Takeshi Uyama, Yuki Orikasa, Takahiro Naka, Hideyuki Komatsu, Keiji Shimoda, Haruno Murayama, Katsutoshi Fukuda, Hajime Arai, Eiichiro Matsubara, Yoshiharu Uchimoto, Zempachi Ogumi

CHEMISTRY OF MATERIALS   29 ( 7 )   2855 - 2863   2017.4

Effect of Potential Profile on Battery Capacity Decrease during Continuous Cycling Reviewed

Koji Kitada, Haruno Murayama, Katsutoshi Fukuda, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi

JOURNAL OF PHYSICAL CHEMISTRY C   121 ( 11 )   6018 - 6023   2017.3

Quantitative Analysis of Transition-Metal Migration Induced Electrochemically in Lithium-Rich Layered Oxide Cathode and Its Contribution to Properties at High and Low Temperatures Reviewed

Takahashi Ikuma, Fukuda Katsutoshi, Kawaguchi Tomoya, Komatsu Hideyuki, Oishi Masatsugu, Murayama Haruno, Hatano Masaharu, Terai Takayuki, Arai Hajime, Uchimoto Yoshiharu, Matsubara Eiichiro

JOURNAL OF PHYSICAL CHEMISTRY C   120 ( 48 )   27109 - 27116   2016.12

Dynamic Behavior at the Interface between Lithium Cobalt Oxide and an Organic Electrolyte Monitored by Neutron Reflectivity Measurements Reviewed

Taketoshi Minato, Hiroyuki Kawaura, Masaaki Hirayama, Sou Taminato, Kota Suzuki, Norifumi L. Yamada, Hidetaka Sugaya, Kentaro Yamamoto, Koji Nakanishi, Yuki Orikasa, Hajime Tanida, Ryoji Kanno, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi

J. Phys. Chem. C   120 ( 36 )   20082 - 20088   2016.9

Structural Understanding of Superior Battery Properties of Partially Ni-Doped Li2MnO3 as Cathode Material Reviewed

Matsunaga Toshiyuki, Komatsu Hideyuki, Shimoda Keiji, Minato Taketoshi, Yonemura Masao, Kamiyama Takashi, Kobayash Shunsuke, Kato Takeharu, Hirayama Tsukasa, Ikuhara Yuichi, Arai Hajime, Ukyo Yoshio, Uchimoto Yoshiharu, Ogumi Zempachi

JOURNAL OF PHYSICAL CHEMISTRY LETTERS   7 ( 11 )   2063 - 2067   2016.6

Dependence of Structural Defects in Li2MnO3 on Synthesis Temperature Reviewed

Toshiyuki Matsunaga, Hideyuki Komatsu, Keiji Shimoda, Taketoshi Minato, Masao Yonemura, Takashi Kamiyama, Shunsuke Kobayash, Takeharu Kato, Tsukasa Hirayama, Yuichi Ikuhara, Hajime Arai, Yoshio Ukyo, Yoshiharu Uchimoto, Zempachi Ogumi

CHEMISTRY OF MATERIALS   28 ( 12 )   4143 - 4150   2016.6

Real-time observations of lithium battery reactions-operando neutron diffraction analysis during practical operation Reviewed

Sou Taminato, Masao Yonemura, Shinya Shiotani, Takashi Kamiyama, Shuki Torii, Miki Nagao, Yoshihisa Ishikawa, Kazuhiro Mori, Toshiharu Fukunaga, Yohei Onodera, Takahiro Naka, Makoto Morishima, Yoshio Ukyo, Dyah Sulistyanintyas Adipranoto, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno

SCIENTIFIC REPORTS   6   2016.6

Direct observation of reversible oxygen anion redox reaction in Li-rich manganese oxide, Li2MnO3, studied by soft X-ray absorption spectroscopy Reviewed International journal

Oishi Masatsugu, Yamanaka Keisuke, Watanabe Iwao, Shimoda Keiji, Matsunaga Toshiyuki, Arai Hajime, Ukyo Yoshio, Uchimoto Yoshiharu, Ogumi Zempachi, Ohta Toshiaki

Journal of Materials Chemistry A   4   9293 - 9302   2016.5

Ionic Conduction in Lithium Ion Battery Composite Electrode Governs Cross-sectional Reaction Distribution Reviewed International journal

Y. Orikasa, Y. Gogyo, H. Yamashige, M. Katayama, C. Kezheng, T. Mori, K. Yamamoto, T. Masese, Y. Inada, T. Ohta, Z. Siroma, S. Kato, H. Kinoshita, H. Arai, Z. Ogumi, Y. Uchimoto

Scientific Reports   6   26382   2016.4

Phase transition kinetics of LiNi0.5Mn1.5O4 analyzed by temperature-controlled operando X-ray absorption spectroscopy Reviewed

Ikuma Takahashi, Hajime Arai, Haruno Murayama, Kenji Sato, Hideyuki Komatsu, Hajime Tanida, Yukinori Koyama, Yoshiharu Uchimoto, Zempachi Ogumi

PHYSICAL CHEMISTRY CHEMICAL PHYSICS   18 ( 3 )   1897 - 1904   2016.1

Factors determining the packing-limitation of active materials in the composite electrode of lithium-ion batteries Reviewed

Koji Kitada, Haruno Murayama, Katsutoshi Fukuda, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi, Eiichiro Matsubara

JOURNAL OF POWER SOURCES   301   11 - 17   2016.1

Oxidation behaviour of lattice oxygen in Li-rich manganese-based layered oxide studied by hard X-ray photoelectron spectroscopy Reviewed

Shimoda K, Minato T, Nakanishi K, Komatsu H, Matsunaga T, Tanida H, Arai H, Ukyo Y, Uchimoto Y, Ogumi Z

Journal of Materials Chemistry A   4 ( 16 )   5909 - 5916   2016

Structural and electronic features of binary Li2S-P2S5 glasses Reviewed International journal

K. Ohara, A. Mitsui, M. Mori, Y. Onodera, S. Shiotani, Y. Koyama, Y. Orikasa, M. Murakami, K. Shimoda, K. Mori, T. Fukunaga, H. Arai, Y. Uchimoto, Z. Ogumi

Sci. Rep.   6   21302   2016

Elucidating the Driving Force of Relaxation of Reaction Distribution in LiCoO2 and LiFePO4 Electrodes Using X-ray Absorption Spectroscopy Reviewed International journal

H. Tanida, H. Yamashige, Y. Orikasa, Y. Gogyo, H. Arai, Y. Uchimoto, Z. Ogumi

J. Phys. Chem. C   120   4739-4743   2016

Irreversible phase transition between LiFePO4 and FePO4 during high-rate charge-discharge reaction by operando X-ray diffraction Reviewed

I. Takahashi, T. Mori, T. Yoshinari, Y. Orikasa, Y. Koyama, H. Murayama, K. Fukuda, M. Hatano, H. Arai, Y. Uchimoto, T. Terai

J. Power Sources   309   122-126   2016

Lithium intercalation and structural changes at the LiCoO<inf>2</inf>surface under high voltage battery operation Reviewed

Taminato S, Hirayama M, Suzuki K, Tamura K, Minato T, Arai H, Uchimoto Y, Ogumi Z, Kanno R

Journal of Power Sources   307   599 - 603   2016

Preserving Zinc Electrode Morphology in Aqueous Alkaline Electrolytes Mixed with Highly Concentrated Organic Solvent Reviewed

Akiyoshi Nakata, Hajime Arai, Tomokazu Yamane, Toshiro Hirai, Zempachi Ogumi

Journal of The Electrochemical Society   163 ( 2 )   A50 - A56   2015.11

Transformation of Leaf-like Zinc Dendrite in Oxidation and Reduction Cycle Reviewed

Akiyoshi Nakata, Haruno Murayama, Katsutoshi Fukuda, Tomokazu Yamane, Hajime Arai, Toshiro Hirai, Yoshiharu Uchimoto, Jun-ichi Yamaki, Zempachi Ogumi

ELECTROCHIMICA ACTA   166   82 - 87   2015.6

Delithiation/lithiation behavior of LiNi<inf>0.5</inf>Mn<inf>1.5</inf>O<inf>4</inf> studied by in situ and ex situ ^6,7Li NMR spectroscopy Reviewed International journal

Shimoda Keiji, Murakami Miwa, Komatsu Hideyuki, Arai Hajime, Uchimoto Yoshiharu, Ogumi Zempachi

Journal of Physical Chemistry C   119 ( 24 )   13472 - 13480   2015.5

Crystal-local structure analyses of cathode materials for LIB LiCo1-xNixO2 (0≤x≤1) studied by neutron diffraction Reviewed

D. Sulistyanintyas, M. Yonemura, Y. Ishikawa, A. Hoshikawa, T. Ishigaki, T. Kamiyama, Y. Ukyo, H. Arai, Y. Uchimoto, Z. Ogumi

JPS Conference Series   8   031017   2015.2

Li-7 NMR Study on Irreversible Capacity of LiNi0.8-XCo0.15Al0.05MgxO2 Electrode in a Lithium-Ion Battery Reviewed

Miwa Murakami, Keiji Shimoda, Yoshio Ukyo, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi

JOURNAL OF THE ELECTROCHEMICAL SOCIETY   162 ( 7 )   A1315 - A1318   2015

Solid Solution Domains at Phase Transition Front of LixNi0.5Mn1.5O4 Reviewed International journal

H. Komatsu, H. Arai, Y. Koyama, K. Sato, T. Kato, R. Yoshida, H. Murayama, I. Takahashi, Y. Orikasa, K. Fukuda, T. Hirayama, Y. Ikuhara, Y. Ukyo, Y. Uchimoto, Z. Ogumi

Adv Energy Mater   5   1500638   2015

Crystal Structural Changes and Charge Compensation Mechanism during Two Lithium Extraction/Insertion between Li2FeSiO4 and FeSiO4 Reviewed

T. Masese, C. Tassel, Y. Orikasa, Y. Koyama, H. Arai, N. Hayashi, J. Kim, T. Mori, K. Yamamoto, Y. Kobayashi, H. Kageyama, Z. Ogumi, Y. Uchimoto

J. Phys. Chem. C   119 ( 19 )   10206-10211 - 10211   2015

Structural modification by adding Li cations into Mg/Cs-TFSA molten salt facilitating Mg electrodeposition Reviewed International journal

K. Ohara, Y. Umebayashi, T. Ichitsubo, K. Matsumoto, R. Hagiwara, H. Arai, M. Mori, Y. Orikasa, S. Okamoto, M. Oishi, Y. Aiso, T. Nohira, Y. Uchimoto, Z. Ogumi, E. Matsubara

Rsc Adv   5   3063 - 3069   2015

Dynamical origin of ionic conductivity for Li7P3S11 metastable crystal as studied by 6/7Li and 31P solid-state NMR Reviewed

M. Murakami, K. Shimoda, S. Shiotani, T. Mitsui, K. Ohara, Y. Onodera, H. Arai, Y. Uchimoto, Z. Ogumi

The Journal of Physical Society   119   24248 - 24254   2015

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 Reviewed

Daiko Takamatsu, Yuki Orikasa, Shinichiro Mori, Takayuki Nakatsutsumi, Kentaro Yamamoto, Yukinori Koyama, Taketoshi Minato, Tatsumi Hirano, Hajime Tanida, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi

J. Phys. Chem. C   119 ( 18 )   9791 - 9797   2015

Operando X-ray Fluorescence Imaging for Zinc-based Secondary Batteries Reviewed

NAKATA Akiyoshi, FUKUDA Katsutoshi, MURAYAMA Haruno, TANIDA Hajime, YAMANE Tomokazu, ARAI Hajime, UCHIMOTO Yoshiharu, SAKURAI Kenji, OGUMI Zempachi

Electrochemistry   83 ( 10 )   849 - 851   2015

Influence of reduction conditions on electrical properties of NiO-zirconia composites for solid oxide fuel cell electrode Reviewed

Orui, H., Nozawa, K., Arai, H., Ryoji KANNO

Journal of Power Sources   288   419 - 425   2015

X-ray absorption fine structure imaging of inhomogeneous electrode reaction in LiFePO4 lithium-ion battery cathode Reviewed

Misaki Katayama, Koichi Sumiwaka, Ryota Miyahara, Hisao Yamashige, Hajime Arai, Yoshiharu Uchimoto, Toshiaki Ohta, Yasuhiro Inada, Zempachi Ogumi

JOURNAL OF POWER SOURCES   269   994 - 999   2014.12

Spontaneous Lithium Transportation via LiMn2O4/Electrolyte Interface Studied by Li-6/7 Solid-State Nuclear Magnetic Resonance Reviewed

Miwa Murakami, Shunsuke Shimizu, Yasuto Noda, K. Takegoshi, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi

ELECTROCHIMICA ACTA   147   540 - 544   2014.11

Spectroscopic X-ray Diffraction for Microfocus Inspection of Li-Ion Batteries Reviewed

Haruno Murayama, Koji Kitada, Katsutoshi Fukuda, Akio Mitsui, Koji Ohara, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi, Eiichiro Matsubara

JOURNAL OF PHYSICAL CHEMISTRY C   118 ( 36 )   20750 - 20755   2014.9

Local structural change in Li2FeSiO4 polyanion cathode material during initial cycling Reviewed

Titus Masese, Yuki Orikasa, Takuya Mori, Kentaro p Yamamoto, Toshiaki Ina, Taketoshi Minato, Koji Nakanishi, Toshiaki Ohta, Cedric Tassel, Yoji Kobayashi, Hiroshi Kageyama, Hajime Arai, Zempachi Ogumi, Yoshiharu Uchimoto

SOLID STATE IONICS   262   110 - 114   2014.9

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 Reviewed

Koji Nakanishi, Daisuke Kato, Hajime Arai, Hajime Tanida, Takuya Mori, Yuki Orikasa, Yoshiharu Uchimoto, Toshiaki Ohta, Zempachi Ogumi

REVIEW OF SCIENTIFIC INSTRUMENTS   85 ( 8 )   2014.8

Local Structure and Spin State of Cobalt Ion at Defect in Lithium Overstoichiometric LiCoO2 As Studied by Li-6/7 Solid-State NMR Spectroscopy Reviewed

Miwa Murakami, Yasuto Noda, Yukinori Koyama, K. Takegoshi, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi

JOURNAL OF PHYSICAL CHEMISTRY C   118 ( 28 )   15375 - 15385   2014.7

Analysis for the Electronic Structure at Cathode/Electrolyte Interface in Lithium-Ion Battery Via In Situ Total Reflection Fluorescence X-ray Absorption Spectroscopy

Kentaro Yamamoto, Taketoshi Minato, Shinichiro Mori, Daiko Takamatsu, Yuki Orikasa, Hajime Tanida, Hajime Arai, Yukinori Koyama, Zempachi Ogumi, Yoshiharu Uchimoto

ECS Meeting Abstracts   MA2014-04 ( 4 )   722 - 722   2014.6

Characterization of Bulk and Surface Chemical States on Electrochemically Cycled LiFePO4: A Solid State NMR Study Reviewed

Shimoda K., Sugaya H., Murakami M., Arai H., Uchimoto Y., Ogumi Z.

Journal of the Electrochemical Society   161 ( 6 )   A1012 - A1018   2014.4

Relationship between Phase Transition Involving Cationic Exchange and Charge-Discharge Rate in Li2FeSiO4 Reviewed

Titus Masese, Yuki Orikasa, Cedric Tassel, Jungeun Kim, Taketoshi Minato, Hajime Arai, Takuya Mori, Kentaro Yamamoto, Yoji Kobayashi, Hiroshi Kageyama, Zempachi Ogumi, Yoshiharu Uchimoto

CHEMISTRY OF MATERIALS   26 ( 3 )   1380 - 1384   2014.2

Soft X-ray absorption spectroscopic studies with different probing depths: Effect of an electrolyte additive on electrode surfaces Reviewed

Chihiro Yogi, Daiko Takamatsu, Keisuke Yamanaka, Hajime Arai, Yoshiharu Uchimoto, Kazuo Kojima, Iwao Watanabe, Toshiaki Ohta, Zenpachi Ogumi

JOURNAL OF POWER SOURCES   248   994 - 999   2014.2

RISING beamline (BL28XU) for rechargeable battery analysis Reviewed

H. Tanida, K. Fukuda, H. Murayama, Y. Orikasa, H. Arai, Y. Uchimoto, E. Matsubara, T. Uruga, K. Takeshita, S. Takahashi, M. Sano, H. Aoyagi, A. Watanabe, N. Nariyama, H. Ohashi, H. Yumoto, T. Koyama, Y. Senba, T. Takeuchi, Y. Furukawa, T. Ohata, T. Matsushita, Y. Ishizawa, T. Kudo, H. Kimura, H. Yamazaki, T. Tanaka, T. Bizen, T. Seike, S. Goto, H. Ohno, M. Takata, H. Kitamura, T. Ishikawa, T. Ohta, Z. Ogumi

JOURNAL OF SYNCHROTRON RADIATION   21 ( 1 )   268 - 272   2014.1

High potential durability of LiNi0.5Mn1.5O4 electrodes studied by surface sensitive X-ray absorption spectroscopy Reviewed

Hiroyuki Kawaura, Daiko Takamatsu, Shinichiro Mori, Yuki Orikasa, Hidetaka Sugaya, Haruno Murayama, Kouji Nakanishi, Hajime Tanida, Yukinori Koyama, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi

JOURNAL OF POWER SOURCES   245   816 - 821   2014.1

First principles study of dopant solubility and defect chemistry in LiCoO2 Reviewed

Yukinori Koyama, Hajime Arai, Isao Tanaka, Yoshiharu Uchimoto, Zempachi Ogumi

JOURNAL OF MATERIALS CHEMISTRY A   2 ( 29 )   11235 - 11245   2014

Improved Cyclic Performance of Lithium-Ion Batteries: An Investigation of Cathode/Electrolyte Interface via in-situ Total-Reflection Fluorescence X-ray Absorption Spectroscopy Reviewed

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   118 ( 18 )   9538 - 9543   2014

Structural origin of ionic conductivity for Li<inf>7</inf>P<inf>3</inf>S<inf>11</inf>metastable crystal by neutron and X-ray diffraction Reviewed

Onodera Y, Mori K, Otomo T, Arai H, Uchimoto Y, Ogumi Z, Fukunaga T

Journal of Physics: Conference Series   502 ( 1 )   2014

Analysis on Reaction and Degradation Mechanism for Mixed Composite Cathode in Lithium Ion Battery Reviewed

Fujimoto Takahiro, Ogumi Zempachi, Kitada Koji, Nagata Kaori, Fukuda Katsutoshi, Tanida Hajime, Ohara Koji, Murayama Haruno, Arai Hajime, Uchimoto Yoshiharu

JSAE Transactions   45 ( 2 )   297 - 302   2014

Electrochemical and Spectroscopic Characterization of LiCoO2 Thin-Film as Model Electrode Reviewed

Daiko Takamatsu, Yukinori Koyama, Yuki Orikasa, Shinichiro Mori, Takayuki Nakatsutsumi, Tatsumi Hirano, Hajime Tanida, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi

JOURNAL OF THE ELECTROCHEMICAL SOCIETY   161 ( 9 )   A1447 - A1452   2014

Development of SPICA, New Dedicated Neutron Powder Diffractometer for Battery Studies Reviewed

M. Yonemura, K. Mori, T. Kamiyama, T. Fukunaga, S. Torii, M. Nagao, Y. Ishikawa, Y. Onodera, D. S. Adipranoto, H. Arai, Y. Uchimoto, Z. Ogumi

1ST CONFERENCE ON LIGHT AND PARTICLE BEAMS IN MATERIALS SCIENCE 2013 (LPBMS2013)   502   012053   2014

Output fading mechanism of mixed composite cathode in lithium ion battery Reviewed

Hibino K, Fujimoto T, Kitada K, Fukuda K, Tanida H, Ohara K, Murayama H, Arai H, Uchimoto Y, Ogumi Z

AABC Asia 2014 - Advanced Automotive Battery Confernce, AABTAM Symposium - Advanced Automotive Battery Technology, Application and Market, AABTAM 2014   21   2014

Kinetically asymmetric charge and discharge behavior of LiNi0.5Mn1.5O4 at low temperature observed by in situ X-ray diffraction Reviewed

Ikuma Takahashi, Haruno Murayama, Kenji Sato, Takahiro Naka, Koji Kitada, Katsutoshi Fukuda, Yukinori Koyama, Hajime Arai, Eiichiro Matsubara, Yoshiharu Uchimoto, Zempachi Ogumi

JOURNAL OF MATERIALS CHEMISTRY A   2 ( 37 )   15414 - 15419   2014

High temperature defect chemistry in layered lithium transition-metal oxides based on first-principles calculations Reviewed

Yukinori Koyama, Hajime Arai, Isao Tanaka, Yoshiharu Uchimoto, Zempachi Ogumi

JOURNAL OF POWER SOURCES   244   592 - 596   2013.12

In situ NMR observation of the lithium extraction/insertion from LiCoO2 cathode Reviewed

Keiji Shimoda, Miwa Murakami, Daiko Takamatsu, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi

ELECTROCHIMICA ACTA   108   343 - 349   2013.10

Visualization of conduction pathways in lithium superionic conductors: Li2S-P2S5 glasses and Li7P3S11 glass-ceramic Reviewed

Kazuhiro Mori, Tomoharu Ichida, Kenji Iwase, Toshiya Otomo, Shinji Kohara, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi, Yohei Onodera, Toshiharu Fukunaga

CHEMICAL PHYSICS LETTERS   584   113 - 118   2013.10

High-temperature stability of alumina containing nickel-zirconia cermets for solid oxide fuel cell anodes Reviewed

Himeko Orui, Reiichi Chiba, Kazuhiko Nozawa, Hajime Arai, Ryoji Kanno

JOURNAL OF POWER SOURCES   238   74 - 80   2013.9

Selective observation of a spinning-sideband manifold of paramagnetic solids by rotation-synchronized DANTE Reviewed

Miwa Murakami, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi

JOURNAL OF MAGNETIC RESONANCE   231   66 - 71   2013.6

Transient Phase Change in Two Phase Reaction between LiFePO4 and FePO4 under Battery Operation Reviewed

Yuki Orikasa, Takehiro Maeda, Yukinori Koyama, Haruno Murayama, Katsutoshi Fukuda, Hajime Tanida, Hajime Arai, Eiichiro Matsubara, Yoshiharu Uchimoto, Zempachi Ogumi

CHEMISTRY OF MATERIALS   25 ( 7 )   1032 - 1039   2013.4

Direct Observation of a Metastable Crystal Phase of LixFePO4 under Electrochemical Phase Transition Reviewed

Yuki Orikasa, Takehiro Maeda, Yukinori Koyama, Haruno Murayama, Katsutoshi Fukuda, Hajime Tanida, Hajime Arai, Eiichiro Matsubara, Yoshiharu Uchimoto, Zempachi Ogumi

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY   135 ( 15 )   5497 - 5500   2013.4

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 Reviewed

Masatsugu Oishi, Takahiro Fujimoto, Yu Takanashi, Yuki Orikasa, Atsushi Kawamura, Toshiaki Ina, Hisao Yamashige, Daiko Takamatsu, Kenji Sato, Haruno Murayama, Hajime Tanida, Hajime Arai, Hideshi Ishii, Chihiro Yogi, Iwao Watanabe, Toshiaki Ohta, Atsushi Mineshige, Yoshiharu Uchimoto, Zempachi Ogumi

JOURNAL OF POWER SOURCES   222   45 - 51   2013.1

Phase Transition Analysis between LiFePO4 and FePO4 by In-Situ Time-Resolved X-ray Absorption and X-ray Diffraction Reviewed

Yuki Orikasa, Takehiro Maeda, Yukinori Koyama, Taketoshi Minato, Haruno Murayama, Katsutoshi Fukuda, Hajime Tanida, Hajime Arai, Eiichiro Matsubara, Yoshiharu Uchimoto, Zempachi Ogumi

JOURNAL OF THE ELECTROCHEMICAL SOCIETY   160 ( 5 )   A3061 - A3065   2013

Phase transition kinetics of LiNi0.5Mn1.5O4 electrodes studied by in situ X-ray absorption near-edge structure and X-ray diffraction analysis Reviewed

Hajime Arai, Kenji Sato, Yuki Orikasa, Haruno Murayama, Ikuma Takahashi, Yukinori Koyama, Yoshiharu Uchimoto, Zempachi Ogumi

JOURNAL OF MATERIALS CHEMISTRY A   1 ( 35 )   10442 - 10449   2013

Effects of ZrO2 Coating on LiCoO2 Thin-Film Electrode Studied by In Situ X-ray Absorption Spectroscopy Reviewed

Daiko Takamatsu, Shinichiro Mori, Yuki Orikasa, Takayuki Nakatsutsumi, Yukinori Koyama, Hajime Tanida, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi

JOURNAL OF THE ELECTROCHEMICAL SOCIETY   160 ( 5 )   A3054 - A3060   2013

Innovation in Rechargeable Batteries and Battery Analysis Zempachi OGUMI and Hajime ARAI Reviewed

Zempachi Ogumi, Hajime Arai

ELECTROCHEMISTRY   80 ( 10 )   695 - 699   2012.10

Defect Chemistry in Layered LiMO2 (M = Co, Ni, Mn, and Li1/3Mn2/3) by First-Principles Calculations Reviewed

Yukinori Koyama, Hajime Arai, Isao Tanaka, Yoshiharu Uchimoto, Zempachi Ogumi

CHEMISTRY OF MATERIALS   24 ( 20 )   3886 - 3894   2012.10

Association of paramagnetic species with formation of LiF at the surface of LiCoO2 Reviewed

Miwa Murakami, Hisao Yamashige, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi

ELECTROCHIMICA ACTA   78   49 - 54   2012.9

In Situ XAS and XRD Studies on Electrode/Electrolyte Interface of Li _x CoO₂ Thin-Film Electrode

Daiko Takamatsu, Shinichiro Mori, Koki Shimada, Yuki Orikasa, Tomoya Kawaguchi, Haruno Murayama, Tatsumi Hirano, Masugu Sato, Hajime Tanida, Yukinori Koyama, Hajime Arai, Eiichiro Matsubara, Yoshiharu Uchimoto, Zempachi Ogumi

ECS Meeting Abstracts   MA2012-02 ( 9 )   719 - 719   2012.6

ZrO₂ coating Effect of LiCoO₂ Thin-film Model Electrode prepared by PLD

Shinichiro Mori, Daiko Takamatsu, Yuki Orikasa, Yukinori Koyama, Hajime Tanida, Tomoya Uruga, Hajime Arai, Zempachi Ogumi, Yoshiharu Uchimoto

ECS Meeting Abstracts   MA2012-02 ( 2 )   168 - 168   2012.6

Co K-edge XANES of LiCoO2 and CoO2 with a variety of structures by supercell density functional calculations with a core hole Reviewed

Yukinori Koyama, Hajime Arai, Zempachi Ogumi, Isao Tanaka, Yoshiharu Uchimoto

PHYSICAL REVIEW B   85 ( 7 )   2012.2

First In Situ Observation of the LiCoO2 Electrode/Electrolyte Interface by Total-Reflection X-ray Absorption Spectroscopy Reviewed

Daiko Takamatsu, Yukinori Koyama, Yuki Orikasa, Shinichiro Mori, Takayuki Nakatsutsumi, Tatsumi Hirano, Hajime Tanida, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION   51 ( 46 )   11597 - 11601   2012

Thickness estimation of interface films formed on Li1-xCoO2 electrodes by hard X-ray photoelectron spectroscopy Reviewed

Yu Takanashi, Yuki Orikasa, Masato Mogi, Masatsugu Oishi, Haruno Murayama, Kenji Sato, Hisao Yamashige, Daiko Takamatsu, Takahiro Fujimoto, Hajime Tanida, Hajime Arai, Toshiaki Ohta, Eiichiro Matsubara, Yoshiharu Uchimoto, Zempachi Ogumi

JOURNAL OF POWER SOURCES   196 ( 24 )   10679 - 10685   2011.12

In situ two-dimensional imaging quick-scanning XAFS with pixel array detector Reviewed

Hajime Tanida, Hisao Yamashige, Yuki Orikasa, Masatsugu Oishi, Yu Takanashi, Takahiro Fujimoto, Kenji Sato, Daiko Takamatsu, Haruno Murayama, Hajime Arai, Eiichiro Matsubara, Yoshiharu Uchimoto, Zempachi Ogumi

JOURNAL OF SYNCHROTRON RADIATION   18 ( 6 )   919 - 922   2011.11

Nanoscale Observation of the Electronic and Local Structures of LiCoO2 Thin Film Electrode by Depth-Resolved X-ray Absorption Spectroscopy Reviewed

Daiko Takamatsu, Takayuki Nakatsutsumi, Shinichiro Mori, Yuki Orikasa, Masato Mogi, Hisao Yamashige, Kenji Sato, Takahiro Fujimoto, Yu Takanashi, Haruno Murayama, Masatsugu Oishi, Hajime Tanida, Tomoya Uruga, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi

JOURNAL OF PHYSICAL CHEMISTRY LETTERS   2 ( 20 )   2511 - 2514   2011.10

Nonequilibrium Phase Transition Behavior of LiFePO₄ / FePO₄ Studied by Time Resolved X-ray Diffraction

Yuki Orikasa, Takehiro Maeda, Haruno Murayama, Masatsugu Oishi, Yu Takanashi, Takahiro Fujimoto, Kenji Sato, Hisao Yamashige, Daiko Takamatsu, Hajime Tanida, Hajime Arai, Eiichiro Matsubara, Yoshiharu Uchimoto, Zempachi Ogumi

ECS Meeting Abstracts   MA2011-02 ( 12 )   636 - 636   2011.8

In Situ X-ray Absorption Spectroscopic Study on Electrode / Electrolyte Interface of Li_xCoO₂ Thin-Film Electrode

Daiko Takamatsu, Takayuki Nakatsutsumi, Shinichiro Mori, Yuki Orikasa, Hisao Yamashige, Kenji Sato, Takahiro Fujimoto, Yu Takanashi, Masatsugu Oishi, Haruno Murayama, Hajime Tanida, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi

ECS Meeting Abstracts   MA2011-02 ( 12 )   633 - 633   2011.8

High temperature properties of Ce1-xPrxO2-delta as an active layer material for SOFC cathodes Reviewed

Reiichi Chiba, Hiroaki Taguchi, Takeshi Komatsu, Himeko Orui, Kazuhiko Nozawa, Hajime Arai

SOLID STATE IONICS   197 ( 1 )   42 - 48   2011.8

Nanosized Effect on Electronic/Local Structures and Specific Lithium-Ion Insertion Property in TiO2-B Nanowires Analyzed by X-ray Absorption Spectroscopy Reviewed

Toyoki Okumura, Tomokazu Fukutsuka, Asuki Yanagihara, Yuki Orikasa, Hajime Arai, Zempachi Ogumi, Yoshiharu Uchimoto

CHEMISTRY OF MATERIALS   23 ( 16 )   3636 - 3644   2011.8

X-ray Absorption Spectroscopic Study on La0.6Sr0.4CoO3-delta Cathode Materials Related with Oxygen Vacancy Formation Reviewed

Yuki Orikasa, Toshiaki Ina, Takayuki Nakao, Atsushi Mineshige, Koji Amezawa, Masatsugu Oishi, Hajime Arai, Zempachi Ogumi, Yoshiharu Uchimoto

JOURNAL OF PHYSICAL CHEMISTRY C   115 ( 33 )   16433 - 16438   2011.8

Lithium-Ion Transfer Reaction at the Interface between Partially Fluorinated Insertion Electrodes and Electrolyte Solutions Reviewed

Toyoki Okumura, Tomokazu Fukutsuka, Keisuke Matsumoto, Yuki Orikasa, Hajime Arai, Zempachi Ogumi, Yoshiharu Uchimoto

JOURNAL OF PHYSICAL CHEMISTRY C   115 ( 26 )   12990 - 12994   2011.7

Characterization of LaNixCoyFe1-x-yO3 as a cathode material for solid oxide fuel cells Reviewed

Hiroaki Taguchi, Takeshi Komatsu, Reiichi Chiba, Kazuhiko Nozawa, Himeko Orui, Hajime Arai

SOLID STATE IONICS   182 ( 1 )   127 - 132   2011.2

Role of Local and Electronic Structural Changes with Partially Anion substitution Lithium Manganese Spinel Oxides on Their Electrochemical Properties: X-ray Absorption Spectroscopy Study Reviewed

Toyoki Okumura, Tomokazu Fukutsuka, Keisuke Matsumoto, Yuki Orikasa, Hajime Arai, Zempachi Ogumi, Yoshiharu Uchimoto

DALTON TRANSACTIONS   40 ( 38 )   9752 - 9764   2011

Direct Evidence of LiF Formation at Electrode/Electrolyte Interface by Li-7 and F-19 Double-Resonance Solid-State NMR Spectroscopy Reviewed

M. Murakami, H. Yamashige, H. Arai, Y. Uchimoto, Z. Ogumi

ELECTROCHEMICAL AND SOLID STATE LETTERS   14 ( 9 )   A134 - A137   2011

Local structural analysis for oxide ion transport in La0.6Sr0.4FeO3-delta cathodes Reviewed

Yuki Orikasa, Takayuki Nakao, Masatsugu Oishi, Toshiaki Ina, Atsushi Mineshige, Koji Amezawa, Hajime Arai, Zempachi Ogumi, Yoshiharu Uchimoto

JOURNAL OF MATERIALS CHEMISTRY   21 ( 36 )   14013 - 14019   2011

Depth-resolved X-ray absorption spectroscopic study on nanoscale observation of the electrode-solid electrolyte interface for all solid state lithium ion batteries Reviewed

Toyoki Okumura, Takayuki Nakatsutsumi, Toshiaki Ina, Yuki Orikasa, Hajime Arai, Tomokazu Fukutsuka, Yasutoshi Iriyama, Tomoya Uruga, Hajime Tanida, Yoshiharu Uchimoto, Zempachi Ogumi

JOURNAL OF MATERIALS CHEMISTRY   21 ( 27 )   10051 - 10060   2011

Improvement of lithium ion conductivity for A-site disordered lithium lanthanum titanate perovskite oxides by fluoride ion substitution Reviewed

Toyoki Okumura, Toshiaki Ina, Yuki Orikasa, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi

JOURNAL OF MATERIALS CHEMISTRY   21 ( 27 )   10061 - 10068   2011

Demonstration of Principle of Electrical Power Generation at High Fuel Utilization Efficiency by an SOFC System with an Anode Recycle Line Reviewed

Kimitaka Watanabe, Masayuki Yokoo, Katsuya Hayashi, Hajime Arai

FUEL CELL SEMINAR 2010   30 ( 1 )   151 - 155   2011

Investigation of the Particle Size Change of La(Ni, Fe)O-3 as a Cathode Reviewed

Y. Yoshida, R. Chiba, T. Komatsu, M. Yokoo, K. Hayashi, H. Orui, H. Arai

SOLID OXIDE FUEL CELLS 12 (SOFC XII)   35 ( 1 )   2313 - 2319   2011

Progress on SOFC Power Generation Module and System Developed by NTT, SPP and THG Reviewed

K. Hayashi, A. Miyasaka, N. Katou, Y. Yoshida, H. Arai, M. Hirakawa, H. Uwani, S. Kashima, H. Orisima, S. Kurachi, A. Matsui, K. Katsurayama, E. Tohma

SOLID OXIDE FUEL CELLS 12 (SOFC XII)   35 ( 1 )   121 - 126   2011

Effect of average and local structures on lithium ion conductivity in La2/3-xLi3xTiO3 Reviewed

Toyoki Okumura, Toshiaki Ina, Yuki Orikasa, Hajime Arai, Yoshiharu Uchimoto, Zempachi Ogumi

JOURNAL OF MATERIALS CHEMISTRY   21 ( 27 )   10195 - 10205   2011

An X-ray absorption spectroscopic study on mixed conductive La0.6Sr0.4Co0.8Fe0.2O3-delta cathodes. I. Electrical conductivity and electronic structure Reviewed

Yuki Orikasa, Toshiaki Ina, Takayuki Nakao, Atsushi Mineshige, Koji Amezawa, Masatsugu Oishi, Hajime Arai, Zempachi Ogumi, Yoshiharu Uchimoto

PHYSICAL CHEMISTRY CHEMICAL PHYSICS   13 ( 37 )   16637 - 16643   2011

Electronic and local structural changes with lithium-ion insertion in TiO2-B: X-ray absorption spectroscopy study Reviewed

Toyoki Okumura, Tomokazu Fukutsuka, Asuki Yanagihara, Yuki Orikasa, Hajime Arai, Zempachi Ogumi, Yoshiharu Uchimoto

JOURNAL OF MATERIALS CHEMISTRY   21 ( 39 )   15369 - 15377   2011

Degradation behavior of anode-supported solid oxide fuel cell using LNF cathode as function of current load Reviewed

Takeshi Komatsu, Yoshiteru Yoshida, Kimitaka Watanabe, Reiichi Chiba, Hiroaki Taguchi, Himeko Orui, Hajime Arai

JOURNAL OF POWER SOURCES   195 ( 17 )   5601 - 5605   2010.9

Composite cathode with Pr doped ceria and LNF for SOFCs Reviewed

Reiichi Chiba, Takeshi Komatsu, Himeko Orui, Hiroaki Taguchi, Kazuhiko Nozawa, Hajime Arai

FUEL CELL SEMINAR 2009   26 ( 1 )   333 - 340   2010

A long-term degradation study of power generation characteristics of anode-supported solid oxide fuel cells using LaNi(Fe)O-3 electrode Reviewed

Takeshi Komatsu, Kimitaka Watanabe, Masayasu Arakawa, Hajime Arai

JOURNAL OF POWER SOURCES   193 ( 2 )   585 - 588   2009.9

Restoration of solid oxide fuel cell stacks after failure of partial cells Reviewed

M. Yokoo, Y. Tabata, Y. Yoshida, K. Hayashi, Y. Nozaki, K. Nozawa, H. Arai

JOURNAL OF POWER SOURCES   190 ( 2 )   252 - 257   2009.5

Development of a 1 kW solid oxide fuel cell stack with anode supported planar cells at NTT Reviewed

K. Hayashi, M. Yokoo, Y. Yoshida, Y. Tabata, H. Orui, K. Nozawa, Y. Nozaki, H. Arai

ECS Transactions   17 ( 1 )   53 - 61   2009

3 kW SOFC Power Generation Module Developed by NTT/THG/SPP Reviewed

H. Arai, K. Hayashi, Y. Yoshida, M. Yokoo, Y. Mizutani, K. Ukai, K. Katsurayama, H. Orishima, M. Hirakawa, H. Uwani, S. Kashima

SOLID OXIDE FUEL CELLS 11 (SOFC-XI)   25 ( 2 )   125 - 132   2009

Durability of Anode-supported SOFC Stack Using La(Ni,Fe)O-3 Cathode Reviewed

Y. Yoshida, T. Komatsu, R. Chiba, M. Yokoo, K. Hayashi, H. Orui, H. Arai

SOLID OXIDE FUEL CELLS 11 (SOFC-XI)   25 ( 2 )   421 - 428   2009

Solid Oxide Fuel Cell Stack with High Electrical Efficiency Reviewed

K. Hayashi, M. Yokoo, Y. Yoshida, H. Arai

NTT Technical Review   7 ( 10 )   2009

SOFC Cathodes Composed of LaNi0.6Fe0.4O3 and Pr-Doped CeO2 Reviewed

Reiichi Chiba, Takeshi Komatsu, Himeko Orui, Hiroaki Taguchi, Kazuhiko Nozawa, Hajime Arai

ELECTROCHEMICAL AND SOLID STATE LETTERS   12 ( 5 )   B69 - B72   2009

An SOFC Cathode Composed of LaNi0.6Fe0.4O3 and Ce(Ln)O2(Ln=Sm, Gd, Pr) Reviewed

Reiichi Chiba, Takeshi Komatsu, Himeko Orui, Hiroaki Taguchi, Kazuhiko Nozawa, Hajime Arai

Journal of the Korean Ceramic Society   45 ( 12 )   766 - 771   2008.12

Cathode contact optimization and performance evaluation of intermediate temperature-operating solid oxide fuel cell stacks based on anode-supported planar cells with LaNi(0.6)Fe(0.4)O(3) cathode Reviewed

Satoshi Sugita, Yoshiteru Yoshida, Himeko Orui, Kazuhiko Nozawa, Masayasu Arakawa, Hajime Arai

JOURNAL OF POWER SOURCES   185 ( 2 )   932 - 936   2008.12

Carbon Deposition Behavior in Methane Stream on Nickel Based Anode in SOFCs Operated at 1073 K Reviewed

Yoshitaka Tabata, Reiichi Chiba, Masayasu Arakawaa, Hajime Arai, Yohtaro Yamazaki

ELECTROCHEMISTRY   76 ( 10 )   747 - 751   2008.10

Development of 1 kW class solid oxide fuel cell stack using anode-supported planar cells Reviewed

M. Yokoo, Y. Tabata, Y. Yoshida, H. Orui, K. Hayashi, Y. Nozaki, K. Nozawa, H. Arai

JOURNAL OF POWER SOURCES   184 ( 1 )   84 - 89   2008.9

Reactivity of LaNi(0.6)Fe(0.4)O(3) with samaria doped ceria Reviewed

Hajime Arai, Reiichi Chiba, Takeshi Komatsu, Himeko Orui, Satoshi Sugita, Yoshitaka Tabata, Kazuhiko Nozawa, Kimitaka Watanabe, Masayasu Arakawa, Kazunori Sato

JOURNAL OF FUEL CELL SCIENCE AND TECHNOLOGY   5 ( 3 )   031204-   2008.8

Highly efficient and durable anode-supported SOFC stack with internal manifold structure Reviewed

M. Yokoo, Y. Tabata, Y. Yoshida, K. Hayashi, Y. Nozaki, K. Nozawa, H. Arai

JOURNAL OF POWER SOURCES   178 ( 1 )   59 - 63   2008.3

Chemical compatibility and electrochemical property of intermediate-temperature SOFC cathodes under Cr poisoning condition Reviewed

Takeshi Komatsua, Reiichi Chiba, Hajime Arai, Kazunori Sato

JOURNAL OF POWER SOURCES   176 ( 1 )   132 - 137   2008.1

Property change of a LaNi0.6Fe0.4O3 cathode in the initial current loading process and the influence of a ceria interlayer Reviewed

Reiichi Chiba, Yoshitaka Tabata, Takeshi Komatsu, Himeko Orui, Kazuhiko Nozawa, Masayasu Arakawa, Hajime Arai

SOLID STATE IONICS   178 ( 31-32 )   1701 - 1709   2008.1

LaNi(0.6)Fe(0.4)O(3)-Ceria composite cathode for SOFCs operating at intermediate temperatures Reviewed

Reiichi Chiba, Himeko Orui, Takeshi Komatsu, Yoshitaka Tabata, Kazuhiko Nozawa, Masayasu Arakawa, Kazunori Sato, Hajime Arai

JOURNAL OF THE ELECTROCHEMICAL SOCIETY   155 ( 6 )   B575 - B580   2008

Development of practical size anode-supported solid oxide fuel cells with multilayer anode structures Reviewed

Himeko Orui, Kazuhiko Nozawa, Kimitaka Watanabe, Satoshi Sugita, Reiichi Chiba, Takeshi Komatsu, Hajime Arai, Masayasu Arakawa

JOURNAL OF THE ELECTROCHEMICAL SOCIETY   155 ( 11 )   B1110 - B1116   2008

Chemical and electrochemical properties of cathode material in SOFCs under Cr poisoning conditions Reviewed

T. Komatsu, R. Chiba, H. Orui, K. Nozawa, Y. Yoshida, M. Yokoo, K. Hayashi, M. Arakawa, H. Arai, K. Sato

ECS Transactions   16 ( 51 )   115 - 122   2008

Development of highly efficient planar solid oxide fuel cells Reviewed

K. Nozawa, H. Orui, T. Komatsu, R. Chiba, H. Arai

NTT Technical Review   6 ( 2 )   2008

Long-term chemical stability of LaNi(Fe)O-3 as a cathode material in solid oxide fuel cells Reviewed

Takeshi Komatsu, Hajime Arai, Reiichi Chiba, Kazuhiko Nozawa, Masayasu Arakawa, Kazunori Sato

JOURNAL OF THE ELECTROCHEMICAL SOCIETY   154 ( 4 )   B379 - B382   2007

LaNi0.6Fe0.4O3 - Ceria Composite Cathode for SOFCs Operating at Intermediate Temperatures Reviewed

Reiichi Chiba, Himeko Orui, Takeshi Komatsu, Yoshitaka Tabata, Kazuhiko Nozawa, Hajime Arai, Masayasu Arakawa, Kazunori Sato

SOLID OXIDE FUEL CELLS 10 (SOFC-X), PTS 1 AND 2   7 ( 1 )   1191 - 1200   2007

Anode-supported planar-type SOFC development at NTT Reviewed

Satoshi Sugita, Hajime Arai, Yoshiteru Yoshida, Himeko Orui, Masayasu Arakawa

ECS Transactions   5 ( 1 )   491 - 497   2007

Development of Anode Supported Solid Oxide Fuel Cells Using LaNi(Fe)O-3 for Cathodes Reviewed

Himeko Orui, Kazuhiko Nozawa, Reiichi Chiba, Takeshi Komatsu, Kimitaka Watanabe, Satoshi Sugita, Hajime Arai, Masayasu Arakawa

SOLID OXIDE FUEL CELLS 10 (SOFC-X), PTS 1 AND 2   7 ( 1 )   255 - 261   2007

Cr poisoning suppression in solid oxide fuel cells using LaNi(Fe)O-3 electrodes Reviewed

T Komatsu, H Arai, R Chiba, K Nozawa, M Arakawa, K Sato

ELECTROCHEMICAL AND SOLID STATE LETTERS   9 ( 1 )   A9 - A12   2006

Electrode performance of layered LiNi0.5Ti0.5O2 prepared by ion exchange Reviewed

M Tsuda, H Arai, M Takahashi, H Ohtsuka, Y Sakurai, K Sumitomo, H Kageshima

JOURNAL OF POWER SOURCES   144 ( 1 )   183 - 190   2005.6

Synthesis and electrode performance of layered nickel dioxide containing alkaline ions Reviewed

H Arai, M Tsuda, M Hayashi, H Ohtsuka, Y Sakurai

ELECTROCHIMICA ACTA   50 ( 9 )   1821 - 1828   2005.3

Electrochemical insertion/extraction of calcium ions using crystalline vanadium oxide Reviewed

M Hayashi, H Arai, H Ohtsuka, Y Sakurai

ELECTROCHEMICAL AND SOLID STATE LETTERS   7 ( 5 )   A119 - A121   2004

Li-Ni-Ti oxide as a novel compound for rechargeable lithium batteries Reviewed

M Tsuda, H Arai, H Ohtsuka, Y Sakurai

ELECTROCHEMICAL AND SOLID STATE LETTERS   7 ( 10 )   A343 - A345   2004

Electrochemical characteristics of calcium in organic electrolyte solutions and vanadium oxides as calcium hosts Reviewed

M Hayashi, H Arai, H Ohtsuka, Y Sakurai

JOURNAL OF POWER SOURCES   119   617 - 620   2003.6

Electrode performance of sodium and lithium-type romanechite Reviewed

M Tsuda, H Arai, Y Nemoto, Y Sakurai

JOURNAL OF THE ELECTROCHEMICAL SOCIETY   150 ( 6 )   A659 - A664   2003.6

Improved cyclability of Na-bimessite partially substituted by cobalt Reviewed

M Tsuda, H Arai, Y Sakurai

JOURNAL OF POWER SOURCES   110 ( 1 )   52 - 56   2002.7

Nickel dioxide polymorphs as lithium insertion electrodes Reviewed

H Arai, M Tsuda, K Saito, M Hayashi, Y Sakurai

ELECTROCHIMICA ACTA   47 ( 17 )   2697 - 2705   2002.7

Thermal reactions between delithiated lithium nickelate and electrolyte solutions Reviewed

H Arai, M Tsuda, K Saito, M Hayashi, Y Sakurai

JOURNAL OF THE ELECTROCHEMICAL SOCIETY   149 ( 4 )   A401 - A406   2002.4

Structural and thermal characteristics of nickel dioxide derived from LiNiO2 Reviewed

H Arai, M Tsuda, K Saito, M Hayashi, K Takei, Y Sakurai

JOURNAL OF SOLID STATE CHEMISTRY   163 ( 1 )   340 - 349   2002.1

Electrode performance of romanechite for rechargeable lithium batteries Reviewed

M Tsuda, H Arai, Y Nemoto, Y Sakurai

JOURNAL OF POWER SOURCES   102 ( 1-2 )   135 - 138   2001.12

AC impedance analysis of bifunctional air electrodes for metal-air batteries Reviewed

H Arai, S Muller, O Haas

JOURNAL OF THE ELECTROCHEMICAL SOCIETY   147 ( 10 )   3584 - 3591   2000.10

Lithium nickelate electrodes with enhanced high-temperature performance and thermal stability Reviewed

H Arai, M Tsuda, Y Sakurai

JOURNAL OF POWER SOURCES   90 ( 1 )   76 - 81   2000.9

A study of carbon-catalyst interaction in bifunctional air electrodes for zinc-air batteries Reviewed

S Muller, F Holzer, H Arai, O Haas

JOURNAL OF NEW MATERIALS FOR ELECTROCHEMICAL SYSTEMS   2 ( 4 )   227 - 232   1999.10

Cathode properties of layered structure Li2PtO3 Reviewed

K Asakura, S Okada, H Arai, S Tobishima, Y Sakurai

JOURNAL OF POWER SOURCES   81   388 - 392   1999.9

Characteristics of LixNiO2 obtained by chemical delithiation Reviewed

H Arai, Y Sakurai

JOURNAL OF POWER SOURCES   81   401 - 405   1999.9

Cathode characteristics of layered rocksalt oxide, Li2PtO3 Reviewed

S Okada, J Yamaki, K Asakura, H Ohtsuka, H Arai, S Tobishima, Y Sakurai

ELECTROCHIMICA ACTA   45 ( 1-2 )   329 - 334   1999

Preparation of electrochemically active alpha-LiFeO2 at low temperature Reviewed

Y Sakurai, H Arai, J Yamaki

SOLID STATE IONICS   113   29 - 34   1998.12

Lithiation into chemically synthesized LixNiO2 Reviewed

H Arai, Y Sakurai

DENKI KAGAKU   66 ( 12 )   1206 - 1208   1998.12

Thermal behavior of Li1-yNiO2 and the decomposition mechanism Reviewed

H Arai, S Okada, Y Sakurai, J Yamaki

SOLID STATE IONICS   109 ( 3-4 )   295 - 302   1998.6

Electrochemical properties of Li2PtO3 Reviewed

K Asakura, H Arai, S Okada, S Tobishima, J Yamaki

DENKI KAGAKU   66 ( 2 )   221 - 222   1998.2

Electrochemical and structural study of Li2CuO2, LiCuO2 and NaCuO2 Reviewed

H Arai, S Okada, Y Sakurai, J Yamaki

SOLID STATE IONICS   106 ( 1-2 )   45 - 53   1998.2

A STUDY ON LAYERED MATERIALS AS POSITIVE ELECTRODES FOR LITHIUM SECONDARY BATTERIES

Hajime Arai

1998.1

Iron complex cathodes Reviewed

S Okada, H Arai, J Yamaki

DENKI KAGAKU   65 ( 10 )   802 - 808   1997.10

Low temperature synthesis and electrochemical characteristics of LiFeO2 cathodes Reviewed

Y Sakurai, H Arai, S Okada, J Yamaki

JOURNAL OF POWER SOURCES   68 ( 2 )   711 - 715   1997.10

Cathode performance and voltage estimation of metal trihalides Reviewed

H Arai, S Okada, Y Sakurai, J Yamaki

JOURNAL OF POWER SOURCES   68 ( 2 )   716 - 719   1997.10

Plating fog generation in the forming of printed circuits by the additive method Reviewed

S Sugihara, A Iwasawa, K Onose, A Tanaka, H Arai, T Shodai, S Okada, H Ohtsuka, S Tobishima, J Yamaki

JOURNAL OF APPLIED ELECTROCHEMISTRY   27 ( 9 )   1111 - 1117   1997.9

Electrochemical and thermal behavior of LiNi1-zMzO2 (M = Co, Mn, Ti) Reviewed

H Arai, S Okada, Y Sakurai, J Yamaki

JOURNAL OF THE ELECTROCHEMICAL SOCIETY   144 ( 9 )   3117 - 3125   1997.9

Cation valences and unoccupied states of LiMnVO4 studied by electron energy loss spectroscopy Reviewed

S Suzuki, M Tomita, S Okada, H Arai

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   58 ( 5 )   799 - 805   1997.5

Reversibility of LiNiO2 cathode Reviewed

H Arai, S Okada, Y Sakurai, J Yamaki

SOLID STATE IONICS   95 ( 3-4 )   275 - 282   1997.3

Valence analysis of transition metal ions in spinel LiMnMO(4) (M=Ti,Cr,Mn,Co) by electron energy loss spectroscopy Reviewed

S Suzuki, M Tomita, S Okada, H Arai

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS   57 ( 12 )   1851 - 1856   1996.12

Synthesis, redox potential evaluation and electrochemical characteristics of NASICON-related-3D framework compounds Reviewed

KS Nanjundaswamy, AK Padhi, JB Goodenough, S Okada, H Ohtsuka, H Arai, J Yamaki

SOLID STATE IONICS   92 ( 1-2 )   1 - 10   1996.11

CHARACTERIZATION AND CATHODE PERFORMANCE OF LI-1-XNI1+XO2 PREPARED WITH THE EXCESS LITHIUM METHOD Reviewed

H ARAI, S OKADA, H OHTSUKA, M ICHIMURA, J YAMAKI

SOLID STATE IONICS   80 ( 3-4 )   261 - 269   1995.9

MECHANISM OF THE ELECTROOXIDATION OF SULFITE CATALYZED BY COPPER-ION Reviewed

A KATAGIRI, H ARAI, Z TAKEHARA

JOURNAL OF THE ELECTROCHEMICAL SOCIETY   142 ( 9 )   2899 - 2905   1995.9

Cathode material for high energy lithium batteries - improvement on 4V-class cathode, LiNiO₂ Reviewed

Hajime Arai, Shigeto Okada, Jun-ichi Yamaki

NTT R and D   43 ( 10 )   1121 - 1126   1994

KINETICS OF THE ELECTRO-OXIDATION OF SULFITE CATALYZED BY COPPER-ION Reviewed

A KATAGIRI, T MATSUBARA, H ARAI, K TOYODA, Z TAKEHARA

JOURNAL OF THE ELECTROCHEMICAL SOCIETY   136 ( 1 )   101 - 108   1989.1

Aサイトの一部を部分置換したLa-Mn-Ni系ペロブスカイト型酸化物の酸素還元・酸素発生電極触媒活性

井上佳士, 辻悦司, 辻悦司, 本橋輝樹, 青木芳尚, 谷田肇, 内本喜晴, 荒井創, 幅崎浩樹

化学系学協会北海道支部冬季研究発表会講演要旨集(CD-ROM)   2016   2016

ブラウンミラーライト型Ca₂Fe_2-xCo^xO₅の酸素発生電極触媒活性

野田裕之, 辻悦司, 辻悦司, 本橋輝樹, 青木芳尚, 小山幸典, 森正弘, 谷田肇, 内本喜晴, 荒井創, 幅崎浩樹

化学系学協会北海道支部冬季研究発表会講演要旨集(CD-ROM)   2016   2016

充放電しているリチウム電池の内部挙動の解析-中性子線を用い非破壊かつリアルタイム観測により実現

Nihon Kessho Gakkaishi   58   s11 - s11   2016

Li₂(Mn_1-xNi_x)O₃の結晶構造

松永利之, 小松秀行, 下田景士, 湊丈俊, 米村雅雄, 神山崇, 小林俊介, 加藤丈晴, 平山司, 幾原雄一, 荒井創, 内本喜晴, 小久見善八

電池討論会講演要旨集   56th   254   2015.11

HAX‐PESを用いたLi₂(Mn_0.75Ni_0.25)O₃正極の充放電反応解析

下田景士, 湊丈俊, 中西康次, 松永利之, 小松秀行, 谷田肇, 右京良雄, 荒井創, 内本喜晴, 小久見善八

電池討論会講演要旨集   56th   256   2015.11

合剤電極内の不均一反応に対する電池作動条件の影響

北田耕嗣, 村山美乃, 福田勝利, 小松秀行, 荒井創, 内本喜晴, 小久見善八, 松原英一郎

電池討論会講演要旨集   56th   320   2015.11

異なる温度下におけるLi過剰層状正極の充放電挙動解析

高橋伊久磨, 小松秀行, 村山美乃, 河口智也, 福田勝利, 秦野正治, 荒井創, 内本喜晴, 松原英一郎, 小久見善八

電池討論会講演要旨集   56th   209   2015.11

DAFS手法を用いたLi₂(Mn_0.75Ni_0.25)O₃正極の充放電挙動変化とサイト選択的解析

小松秀行, 松永利之, 下田景士, 湊丈俊, 河口智也, 福田勝利, 荒井創, 内本喜晴, 松原英一郎, 小久見善八

電池討論会講演要旨集   56th   255   2015.11

^6/7Li,³¹P‐固体NMRによる超イオン伝導体Li₇P₃S₁₁のダイナミクス解析

村上美和, 下田景士, 塩谷真也, 三井昭男, 尾原幸治, 小野寺陽平, 荒井創, 内本喜晴, 小久見善八

Abstr Annu Meet NMR Soc Jpn   54th   38 - 39   2015.11

Li過剰系正極活物質Li₂MnO₃における結晶構造の焼成温度依存性

松永利之, 下田景士, 小松秀行, 湊丈俊, 荒井創, 内本喜晴, 小久見善八

電気化学会大会講演要旨集(CD-ROM)   82nd   ROMBUNNO.2I10   2015.3

XPS/HAXPESによるシリコン薄膜の初回充放電における表面形態解析

竹川寿弘, 高橋伊久磨, 秦野正治, 小松秀行, 中西康次, 谷田肇, 荒井創, 内本喜晴, 太田俊明, 小久見善八

電池討論会講演要旨集   56th   2015

LaCaMnNi系ペロブスカイト型酸化物の酸素還元・酸素発生電極触媒活性

井上佳士, 辻悦司, 本橋輝樹, 青木芳尚, 谷田肇, 内本喜晴, 荒井創, 幅崎浩樹

電気化学秋季大会講演要旨集(CD-ROM)   2015   2015

コバルト系酸化物の遷移金属部分置換による構造変化と酸素発生触媒活性

辻悦司, 野田裕之, 本橋輝樹, 青木芳尚, 谷田肇, 小山幸典, 森正弘, 内本喜晴, 荒井創, 幅崎浩樹

電池討論会講演要旨集   56th   2015

金属酸化物被覆亜鉛負極の充放電サイクル特性

小野正樹, 中田明良, 荒井創, 小久見善八

電池討論会講演要旨集   56th   2015

遷移金属多硫化物系正極の放射光を用いた充放電機構の解析

作田敦, 竹内友成, 森正弘, 河口智也, 尾原幸治, 福田勝利, 中西康次, 小川雅裕, SULISTYANINTYAS Dyah, 米村雅雄, 荒井創, 内本喜晴, 太田俊明, 小久見善八, 岡村一広, 奥村豊旗, 小林弘典, 蔭山博之, 鹿野昌弘, 栄部比夏里

電池討論会講演要旨集   56th   2015

水-有機共溶媒アルカリ電解液における酸化亜鉛電極のサイクル特性改善効果

掛谷忠司, 中田明良, 荒井創, 小久見善八

電気化学秋季大会講演要旨集(CD-ROM)   2015   2015

酸化亜鉛電極のサイクル特性に及ぼす水-有機共溶媒アルカリ電解液の効果

掛谷忠司, 中田明良, 荒井創, 小久見善八

電池討論会講演要旨集   56th   2015

亜鉛負極のシェイプチェンジ現象における酸化亜鉛/亜鉛析出挙動の解析(2)

中田明良, 掛谷忠司, 小野正樹, 荒井創, 河口智也, 福田勝利, 内本喜晴, 小久見善八

電池討論会講演要旨集   56th   2015

Cs_pLi_qMg_r[TFSA]_p+q+2r系溶融塩の高エネルギーX線構造解析

尾原幸治, 梅林泰宏, 松原英一郎, 松本一彦, 萩原理加, 荒井創, 森正弘, 折笠有基, 岡本紳哉, 市坪哲, 大石昌嗣, 相磯侑花, 野平俊之, 内本喜晴, 小久見善八

電池討論会講演要旨集   55th   577   2014.11

放射光による蓄電池材料の観察 : リチウムイオン電池の電極動的挙動ならびに電極/電解液界面の解析 (特集 新しい光技術とその利用)

荒井 創, 折笠 有基, 内本 喜晴

電気評論   99 ( 9 )   22 - 26   2014.9

in situ NMR測定によるLi析出溶解反応のその場観察

森島慎, 村上美和, 下田景士, 荒井創, 内本喜晴, 小久見善八

電気化学会大会講演要旨集   81st   2014

In situ/ex situ NMR測定によるリチウムイオン二次電池正極中のリチウムの観察

下田景士, 村上美和, 森島慎, 荒井創, 内本喜晴, 小久見善八

電気化学秋季大会講演要旨集   2014   2014

固体NMRによる常磁性金属を含む正極材料の構造解析

村上美和, 下田景士, 右京良雄, 荒井創, 内本喜晴, 小久見善八

電池討論会講演要旨集   55th   2014

立方晶リチウムチタン硫化物及びリチウムニオブ硫化物の構造と電極特性

作田敦, SULISTYANINTYAS Dyah, 竹内友成, 米村雅雄, 荒井創, 内本喜晴, 岡村一広, 小林弘典, 鹿野昌弘, 栄部比夏里, 辰巳国昭, 小久見善八

電池討論会講演要旨集   55th   2014

充放電下での電極構造変化の直接観察-SPICAを用いたin operando中性子回折の現状

米村雅雄, 石川喜久, 鳥居周輝, 富安亮子, 神山崇, 神山崇, SULISTYANINTYAS Dyah, 中貴弘, 森島慎, 塩谷真也, 小松秀行, 松永利之, 三井昭男, 佐藤健児, 菅谷英生, 下田景士, 右京良雄, 荒井創, 小久見善八, 田港聡, 平山雅章, 菅野了次, 北村尚斗, 井手本康, 内本喜晴, 森一広, 福永俊晴, 小野寺陽平

日本中性子科学会年会講演概要集   14th   2014

in situ NMR測定によるLi析出溶解反応のその場観察(2)

森島慎, 村上美和, 下田景士, 荒井創, 内本喜晴, 小久見善八

電気化学秋季大会講演要旨集   2014   2014

In situ NMR測定によるリチウムイオン二次電池正極中のリチウムの観察

下田景士, 村上美和, 森島慎, 荒井創, 内本喜晴, 小久見善八

電池討論会講演要旨集   55th   2014

硬X線光電子分光の蓄電池分析への適用

中西康次, 谷田肇, 光原圭, 高松大郊, 山重寿夫, 荒井創, 内本喜晴, 太田俊明, 小久見善八

X線分析討論会講演要旨集   50th   2014

^6/7Li固体NMRを用いたコバルト酸リチウムの欠陥部位の構造解析

村上美和, 野田泰斗, 小山幸典, 竹腰清乃理, 荒井創, 内本喜晴, 小久見善八

Abstracts. Annual Meeting of the NMR Society of Japan   53rd   2014

In situ NMR測定によるLiNi_0.5Mn_1.5O₄電極のリチウムのその場観察

SHIMODA KEIJI, MURAKAMI MIWA, MORISHIMA MAKOTO, ARAI HAJIME, UCHIMOTO YOSHIHARU, OGUMI ZEMPACHI

Abstr Annu Meet NMR Soc Jpn   52nd   334 - 335   2013.11

シンクロトロン放射光を利用した評価技術

谷田 肇, 荒井 創

ぶんせき   ( 466 )   600 - 603   2013.10

Structural Studies on the sulfide solid electrolytes

Ohara K., Mitsui A., Onodera Y., Mori K., Fukunaga T., Arai H., Uchimoto Y., Ogumi Z.

Meeting abstracts of the Physical Society of Japan   68 ( 2 )   659 - 659   2013.8

Expectation of Analysis Using BL09/SPICA, the World's First Neutron Beamline Dedicated for Battery Analysis Reviewed

ARAI Hajime, MORI Kazuhiro, ONODERA Yohei, FUKUNAGA Toshiharu, YONEMURA Masao, KAMIYAMA Takashi, NAGAO Miki, ISHIKAWA Yoshihisa, TORII Shuki

67 ( 7 )   108 - 109   2013.7

LiFePO₄/FePO₄における二相反応過程の動的挙動解析

折笠有基, 前田壮宏, 小山幸典, 村山美乃, 福田勝利, 湊丈俊, 谷田肇, 荒井創, 松原英一郎, 小久見善八, 内本喜晴

電気化学会大会講演要旨集   80th   172   2013.3

リチウムイオン二次電池正極におけるトポケミカル反応の非平衡挙動

内本喜晴, 折笠有基, 前田壮宏, 小山幸典, 荒井創, 村山美乃, 谷田肇, 松原英一郎, 小久見善八

日本化学会講演予稿集   93rd ( 1 )   56   2013.3

時間分解XRD・XAFSを用いたリチウムイオン電池正極LiFePO₄の相変化挙動解明

折笠有基, 前田壮宏, 小山幸典, 荒井創, 村山美乃, 福田勝利, 谷田肇, 松原英一郎, 小久見善八, 内本喜晴

日本放射光学会年会・放射光科学合同シンポジウム予稿集   26th   64   2013.1

in-situ軟X線XAFS用電気化学セルによる蓄電池中軽元素成分の反応解析

加藤大輔, 中西康次, 森拓弥, 荒井創, 太田俊明, 内本喜晴, 小久見善八

電池討論会講演要旨集   54th   2013

In situ two-dimensional micro-imaging XAFS with CCD detector Reviewed

H. Tanida, H. Yamashige, Y. Orikasa, T. Fujimoto, M. Oishi, H. Murayama, H. Arai, M. Katayama, Y. Inada, T. Ohta, Y. Uchimoto, Z. Ogumi

15TH INTERNATIONAL CONFERENCE ON X-RAY ABSORPTION FINE STRUCTURE (XAFS15)   430 ( 1 )   2013

RISINGビームラインBL28XU

谷田肇, 福田勝利, 村山美乃, 荒井創, 松原英一郎, 内本喜晴, 小久見善八

日本放射光学会年会・放射光科学合同シンポジウム予稿集   26th   2013

LiCoO₂薄膜電極のin situ XAFS測定による表面被覆効果メカニズムの解明

山本健太郎, 森伸一郎, 高松大郊, 折笠有基, 谷田肇, 宇留賀朋哉, 荒井創, 小久見善八, 内本喜晴

日本放射光学会年会・放射光科学合同シンポジウム予稿集   26th   2013

⁶Li/⁷Li固体NMRによる電極/電解質界面相互作用の研究

清水俊介, 村上美和, 竹腰清乃理, 荒井創, 内本喜晴, 小久見善八

Abstracts. Annual Meeting of the NMR Society of Japan   52nd   2013

多量子カウンティング法を用いたリチウム電池正極材料の研究

村上美和, 最上祐貴, 清水俊介, 竹腰清乃理, 荒井創, 内本喜晴, 小久見善八

Abstracts. Annual Meeting of the NMR Society of Japan   52nd   2013

亜鉛負極のシェイプチェンジ現象における酸化亜鉛/亜鉛析出挙動の解析

中田明良, 山根友和, 村山美乃, 福田勝利, 荒井創, 平井敏郎, 内本喜晴, 山木準一, 小久見善八

電池討論会講演要旨集   54th   2013

放射光X線による亜鉛デンドライトの溶解析出挙動解析

中田明良, 村山美乃, 福田勝利, 山根友和, 荒井創, 平井敏郎, 内本喜晴, 山木準一, 小久見善八

電気化学会大会講演要旨集   80th   2013

リチウムイオン二次電池用混合正極の反応・劣化機構の解明

藤本貴洋, 北田耕嗣, 永田香織, 福田勝利, 谷田肇, 尾原幸治, 村山美乃, 荒井創, 内本喜晴, 小久見善八

自動車技術会学術講演会前刷集   ( 111-13 )   2013

共焦点XRDを用いた合剤電極断面方向における反応分布挙動のin-situ観察

北田耕嗣, 村山美乃, 三井昭男, 福田勝利, 谷田肇, 尾原幸治, 荒井創, 内本喜晴, 小久見善八

電池討論会講演要旨集   54th   2013

電池の開発,製造プロセスを支える分析評価技術 シンクロトロン放射光を利用した評価技術

谷田肇, 荒井創

ぶんせき   ( 10 )   2013

in-situ全反射XAFS測定を用いたリチウムイオン電池正極/電解液界面の電子構造解明

山本健太郎, 森伸一郎, 高松大郊, 折笠有基, 湊丈俊, 谷田肇, 荒井創, 小久見善八, 内本喜晴

電気化学会大会講演要旨集   80th   2013

in situ XRD/XAFS測定を用いたLiNi_0.5Mn_1.5O₄の充放電挙動の速度論的解析

高橋伊久磨, 佐藤健児, 村山美乃, 大石昌嗣, 小山幸典, 谷田肇, 福田勝利, 中西康次, 折笠有基, 荒井創, 松原英一郎, 内本喜晴, 小久見善八

電池討論会講演要旨集   53rd   66   2012.11

In Situ NMR測定によるLiCoO₂正極セルのリチウム挙動のその場観察

SHIMODA KEIJI, MURAKAMI MIWA, TAKAMATSU DAIKO, ARAI HAJIME, UCHIMOTO YOSHIHARU, OGUMI ZEMPACHI

Abstr Annu Meet NMR Soc Jpn   51st   388 - 389   2012.10

放射光を用いたLi_xCoO₂薄膜電極/有機電解液界面反応のその場観察

高松大郊, 森伸一郎, 島田康気, 折笠有基, 山重寿夫, 河口智也, 平野辰巳, 佐藤眞直, 谷田肇, 小山幸典, 荒井創, 松原英一郎, 内本喜晴, 小久見善八

電気化学会大会講演要旨集   79th   104   2012.3

LiFePO₄におけるリチウムイオン挿入脱離反応中の非平衡状態解明

前田壮宏, 折笠有基, 小山幸典, 荒井創, 村山美乃, 谷田肇, 松原英一郎, 小久見善八, 内本喜晴

電気化学会大会講演要旨集   79th   121   2012.3

立命館大学SRセンターBL-10における多モード同時検出軟X線XAFS測定システムの開発

中西康次, 中西康次, 与儀千尋, 山中恵介, 小川雅裕, 荒井創, 内本喜晴, 内本喜晴, 太田俊明, 小久見善八

X線分析討論会講演要旨集   48th   2012

薄膜モデル電極を用いたリチウムイオン二次電池正極における表面被覆効果メカニズムの解明

森伸一郎, 高松大郊, 折笠有基, 谷田肇, 宇留賀朋哉, 荒井創, 小久見善八, 内本喜晴

電気化学会大会講演要旨集   79th   2012

LiCoO₂薄膜電極の深さ分解XAFS測定による表面被覆効果メカニズムの解明

森伸一郎, 折笠有基, 高松大郊, 谷田肇, 宇留賀朋哉, 荒井創, 小久見善八, 内本喜晴

日本放射光学会年会・放射光科学合同シンポジウム予稿集   25th   2012

2D-XAFS法を用いた合剤電極内における反応分布の観察

山重寿夫, 片山真祥, 折笠有基, 佐藤健児, 高梨優, 高松大郊, 藤本貴洋, 川浦宏之, 大石昌嗣, 村山美乃, 谷田肇, 稲田康宏, 荒井創, 内本喜晴, 太田俊明, 小久見善八

電池討論会講演要旨集   53rd   2012

in situ XAFS測定を用いたLiCoO₂薄膜電極/有機電解液界面の反応機構解明

山本健太郎, 森伸一郎, 高松大郊, 折笠有基, 湊丈俊, 谷田肇, 小山幸典, 宇留賀朋哉, 荒井創, 小久見善八, 内本喜晴

固体イオニクス討論会講演要旨集   38th   2012

LiNi_0.5Mn_1.5O₄薄膜モデル電極を用いた高電位サイクル耐性に及ぼす要因解明

川浦宏之, 高松大郊, 森伸一郎, 折笠有基, 佐藤健児, 高橋伊久磨, 菅谷英生, 村山美乃, 中西康次, 谷田肇, 小山幸典, 荒井創, 内本喜晴, 小久見善八

電池討論会講演要旨集   53rd   2012

in-situ2D-XAFS法を用いたリチウムイオン二次電池における反応分布の観察

山重寿夫, 片山真祥, 折笠有基, 佐藤健児, 高梨優, 高松大郊, 藤本貴洋, 川浦宏之, 大石昌嗣, 村山美乃, 谷田肇, 稲田康宏, 荒井創, 内本喜晴, 太田俊明, 小久見善八

X線分析討論会講演要旨集   48th   2012

マイクロXAFS法を用いたLiCoO₂およびLiFePO₄合剤電極における反応分布緩和挙動の観察

五行由磨, 山重寿夫, 折笠有基, 大石正嗣, 村山美乃, 谷田肇, 荒井創, 小久見善八, 内本喜晴

日本放射光学会年会・放射光科学合同シンポジウム予稿集   25th   2012

高速時分割測定を用いたリチウムイオン二次電池正極材料LiFePO₄における充放電反応中非平衡状態の観察

前田壮宏, 折笠有基, 佐藤健児, 村山美乃, 谷田肇, 荒井創, 松原英一郎, 小久見善八, 内本喜晴

日本放射光学会年会・放射光科学合同シンポジウム予稿集   25th   2012

常磁性により複雑化したMAS線形における選択励起:リチウムイオン電池正極材への応用

村上美和, 高澤信明, 汐月大志, 寺島純平, 荒井創, 内本喜晴, 小久見善八

Abstracts. Annual Meeting of the NMR Society of Japan   51st   2012

固体NMRによる電極/電解質界面に生成するLiFの研究

村上美和, 山重寿夫, 荒井創, 内本喜晴, 小久見善八

固体NMR・材料フォーラム報告   ( 52 )   2012

In situ NMR observation of the lithium extraction/insertion from LiCoO₂ cathode

SHIMODA Keiji, MURAKAMI Miwa, TAKAMATSU Daiko, ARAI Hajime, UCHIMOTO Yoshiharu, OGUMI Zempachi

電池討論会講演要旨集   53rd   2012

Current Status and Future Prospects of Secondary Batteries

ARAI Hajime, UCHIMOTO Yoshiharu, OGUMI Zempachi

Energy and resources   32 ( 2 )   82 - 85   2011.3

Advanced analytical methods developed at RISING Project : Examples of synchrotron-beam and computer aided analyses

ARAI Hajime, UCHIMOTO Yoshiharu, OGUMI Zempachi

IEICE technical report   110 ( 411 )   37 - 40   2011.2

軟X線吸収分光法を用いたLi₂MnO₃の高電位における状態分析

藤本貴洋, 山重寿夫, 佐藤健児, 高梨優, 高松大郊, 石井秀司, 中西康次, 渡辺巖, 太田俊明, 大石昌嗣, 折笠有基, 村山美乃, 荒井創, 内本喜晴, 小久見善八

電気化学会大会講演要旨集   78th(CD-ROM)   2011

深さ分解X線吸収分光法を用いた全固体リチウム2次電池電極/電解質界面の電子・局所構造解析