Journal Paper

• Davide Cavaliere, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai. Reduced artifacts in dynamic electrochemical impedance spectroscopy applied to battery degradation analysis, Journal of Power Sourcs, Elsevier, Vol. 621, pp. 235316, Nov. 2024.  Official location  
• Atsunori Ikezawa, Shinji Koito, Hajime Arai. Superior Oxygen Evolution Reaction Activities of Highly Crystalline Ni1-xFex-LDH (0.20 ≤ x ≤ 0.51) Synthesized Using Soft Chemistry, Journal of Material Chmistry A, Royal Society of Chemistry, Vol. 12, pp. 31603–31611, Oct. 2024.  Official location  
• Kento Imai, Atsunori Ikezawa, Shigeki Sato, Hajime Arai. Soft chemistry-derived Al-substituted hydrated nickel hydroxide electrodes for rechargeable aqueous batteries, Chemical Communications, Issue 60, pp. 10192-10195, Aug. 2024.  Official location  
• Haruki Kaneda, Yuki Furuichi, Tomohiro Yoshida, Atsunori Ikezawa, Hajime Arai. Effect of Cobalt Substitution on the Activation of the LiNiO2 Discharge Reaction, Inorganic Chemistry, American Chemical Society, Vol. 63, Issue 36, pp. 16750−16767, Aug. 2024.  Official location  
• Wooseok KANG, Shumpei KUBOTA, Manabu KODAMA, Atsunori IKEZAWA, Hajime ARAI, Shuichiro HIRAI. Operando X-Ray Imaging of the Charge-Discharge Behavior of Zinc-Air Batteries, Electrochemistry, The Electrochemical Society of Japan, Volume 92, Issue 8, Page 087003, July 2024.
• Shumpei Kubota, Wooseok Kang, Manabu Kodama, Atsunori Ikezawa, Hajime Arai, Shuichiro hirai. Operando x-ray imaging of zinc-air flow battery anode, Transactions of the JSME, The Japan Society of Mechanical Engineers, Vol. 90, No. 935, Page 24-00098, July 2024.
• Kotaro Yoshida, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai. An all-solid-state electrochemical four-electrode cell–Application to Li-ion transport between two sulfide solid electrolytes, Electrochimica Acta, Elsevier, Vol. 497, pp. 144523, May 2024.  Official location  
• Davide Cavaliere, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai. Diagnosis of Li-ion battery degradation based on resistive and diffusion-related transient voltage changes at early stage of discharge, Journal of Power Sources, Elsevier, Vol. 603, pp. 234441, Apr. 2024.  Official location  
• Chihiro Yamamoto, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai. Phase Transition Kinetics of LiFePO4 Biphasic Systems in Aqueous and Non-aqueous Electrolytes, Electrochemistry, Vol. 92, Issue 2, Page 027001, Feb. 2024.  Official location  
• Tetsuya Omiya, Atsunori Ikezawa, Keita Takahashi, Keiichi Saito, Masao Yonemura, Takashi Saito, Takashi Kamiyama, Hajime Arai. Combination of float charging and occasional discharging to cause serious LIB degradation analyzed by operando neutron diffraction, Energy Advances, The Royal Society of Chemistry, Vol. 3, Page 529–542, Feb. 2024.  Official location  
• Atsunori Ikezawa, Juri Kida, Kohei Miyazaki, Hajime Arai. Quantitative DEMS analysis of CO2 evolution reactions in alkaline electrolyte solutions, Electrochemistry Communications, Elsevier, Vol. 159, Page 107647, Feb. 2024.  Official location  
• Kota Nakahara, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai. Enhanced Oxygen Reduction Activity of Platinum Micropore, ChemElectroChem, Chemistry Europe, Vol. 11, No. 11, Page e202300654, Jan. 2024.  Official location  

International Conference (Reviewed)

• Masataka Mashino, Atsunori Ikezawa, Marina Murakami, Takeshi Shimomura, Takeyoshi Okajima, Hajime Arai. Operando XRD Observation of NMC Cathode for Reaction Distribution Analysis Under Fast Discharging, PRiME 2024, Oct. 2024.
• Haruhisa Nakata, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai. Oxygen Evolution Reaction Activity of Highly Crystalline Hydrated Cobalt Oxyhydroxide Synthesized with Soft Chemistry, PRiME 2024, Oct. 2024.
• Shugo Shimizu, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai. Quantitative Differential Electrochemical Mass Spectroscopy Analysis of Electrochemical Carbon Corrosion Reactions in Alkaline Electrolyte Solutions, PRiME 2024, Oct. 2024.
• Wang Guanyu, Atsunori Ikezawa, Keiko Waki, Takeyoshi Okajima, Hajime Arai. (Fe, N)-Doped Carbon Black Catalysts for Oxygen Reduction Reaction Applied to Gas-Diffusion Electrodes, PRiME 2024, Oct. 2024.
• Yusuke Kida, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai. Charge-Discharge Behavior of Spinel-Type Manganese Dioxide for Positive Electrode Materials for Aqueous Proton Batteries, PRiME 2024, Oct. 2024.
• Kotaro Yoshida, Atsunori Ikezawa, Takeyoshi Okajima, Shoma Yanagihara, Saneyuki Ohno, Hajime Arai. Electrochemical Analyses of the Li-Ion Transfer Resistances at the Chloride Solid Electrolyte | Sulfide Solid Electrolyte Interfaces, PRiME 2024, Oct. 2024.
• Tomohiro Osaki, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai. Elucidation of Degradation Mechanism of Lithium-Ion Batteries Under High Temperature Environment, PRiME 2024, Oct. 2024.
• Liu Rui, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai. Designing Bifunctional Bilayer Air Electrode for Zinc−Air Batteries , PRiME 2024, Oct. 2024.
• Nanako Nonaka, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai. Indicators for Optical Analysis of Local Conditions in Bifunctional Air Electrodes, PRiME 2024, Oct. 2024.
• Kota Nakahara, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai. Effect of Micro- and Mesopore Size on Electronic Structure and Oxygen Reduction Kinetics of Platinum, PRiME 2024, Oct. 2024.
• Atsunori Ikezawa, Kotaro Seki, Moritz Borkenhagen, Hajime Arai, Daniel Schröder. Analysis of Species Concentrations in Bifunctional Air Electrodes Using Mathematical Modeling and Simulation, PRiME 2024, Oct. 2024.
• Atsunori Ikezawa, Kento Imai, Mingqi Xiao, Ryohei Kosasa, Shinji Koito, TAKEYOSHI OKAJIMA, Hajime Arai. Chimie Douce for variety of electrode materials, The 14th Japan-France Joint Seminar on Battery, Sept. 2024.
• Hiroshi Suyama, Shigeki Sato, Tomoya Matsunaga, Toshihiko Inoue, Atsunori Ikezawa, Hajime Arai. A Neutral Proton NiMH Battery Using Anti-Freezing Highly Concentrated Potassium Pyrophosphate Aqueous Electrolytes, ACEPS12-Asian Conference on Electrochemical Power Sources12, May 2024.
• Liu Rui, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai. Designing bifunctional bilayer electrode for Zinc-air batteries, ACEPS12-Asian Conference on Electrochemical Power Sources12, May 2024.
• Wang Guanyu, Atsunori Ikezawa, Keiko Waki, Takeyoshi Okajima, Hajime Arai. (Fe, N)-doped carbon black catalysts formed by rapid thermal annealing for oxygen reduction reaction, ACEPS12-Asian Conference on Electrochemical Power Sources12, May 2024.
• Atsunori Ikezawa, Shinji Koito, Hajime Arai. Oxygen Evolution Reaction Activities of Highly Crystalline γNixFe1-xOOH Synthesized with Soft Chemistry, ACEPS12-Asian Conference on Electrochemical Power Sources12, May 2024.
• Hajime Arai, Atsunori Ikezawa, Heyang Xing, Teruya Hiramatsu, Yukinori Koyama, Tadaaki Nishizawa, Takeyoshi Okajima. Development of Proton Batteries, ACEPS12-Asian Conference on Electrochemical Power Sources12, May 2024.

Domestic Conference (Reviewed)

• Shota Tsuchida, Haruki Kaneda, Yuki Furuichi, Atsunori Ikezawa, Hajime Arai. LIBのコンディショニング工程における発生ガス分析と電極表面被膜の解析, 第65回電池討論会, Nov. 2024.
• Ryohei Kosasa, Atsunori Ikezawa, Shigeki Sato, Hiroshi Suyama, Tomoya Matsunaga, TAKEYOSHI OKAJIMA, Hajime Arai. 非解体測定によるBi2O3物理修飾層状水和二酸化マンガン正極の充放電メカニズム解析, 第65回電池討論会, Nov. 2024.
• Masataka Mashino, Atsunori Ikezawa, Takeshi Shimomura, Hajime Arai. 種々の正極材を用いた出力型リチウムイオン電池の劣化メカニズム解析, 第65回電池討論会, Nov. 2024.
• Atsunori Ikezawa, Shinji Koito, Hajime Arai. ソフト化学を用いて合成した高結晶性NiFe-LDHの酸素発生反応活性, 第65回電池討論会, Nov. 2024.
• Atsunori Ikezawa, Hajime Arai. 親水性ポリマーを添加したKOH水溶液におけるZnO合剤電極の充放電特性, 第65回電池討論会, Nov. 2024.
• Kotaro Yoshida, Atsunori Ikezawa, TAKEYOSHI OKAJIMA, Hajime Arai. 全固体4電極式セルを用いた硫化物系固体電解質接合界面におけるリチウムイオン移動の電気化学測定, 第42回 夏の学校 電気化学会 関東支部, Sept. 2024.
• Kotaro Yoshida, Atsunori Ikezawa, TAKEYOSHI OKAJIMA, Hajime Arai. 全固体4電極式セルを用いた硫化物系固体電解質接合界面における Li+移動の 電気化学測定, 一般社団法人粉体粉末冶金協会 2024年度春季大会（第133回講演大会）, May 2024.
• Atsunori Ikezawa, Moritz Borkenhagen, Katja Kretschmer, Hajime Arai, Daniel Schröder. デジタルシミュレーションを用いた二機能性空気極における局所状態の解析, 電気化学会第91回大会, Mar. 2024.
• Kota Nakahara, Atsunori Ikezawa, TAKEYOSHI OKAJIMA, Hajime Arai. ミクロおよびメソ孔径が白金の電子構造および酸素還元活性に与える影響, 電気化学会第91回大会, Mar. 2024.
• Wang Guanyu, Ikezawa Atsunori, Waki Keiko, Okajima Takeyoshi, Arai Hajime. Optimization of (Fe, N)-doped carbon black catalysts formed by rapid thermal annealing for oxygen reduction reaction in alkaline media, 電気化学会第91回大会, Mar. 2024.
• Nanako Nonaka, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai. 二機能性空気極内局所状態の光学観察に向けた指示物質の探索, 電気化学会第91回大会, Mar. 2024.
• Kotaro Yoshida, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai. 全固体4極式セルを用いた硫化物系固体電解質接合界面におけるLi+移動の電気化学測定, 電気化学会第91回大会, Mar. 2024.
• Hiroshi Suyama, Shigeki Sato, 近 真紀雄, Tomoya Matsunaga, Toshihiko Inoue, Atsunori Ikezawa, Hajime Arai. 濃厚K４P２O７水溶液を用いた中性水溶液系プロトン電池の電池特性評価, 電気化学会第91回大会, Mar. 2024.

International Conference (Not reviewed / Unknown)

• Wooseok Kang, Manabu Kodama, Shumpei Kubota, Atsunori Ikezawa, Hajime Arai, Shuichiro Hirai. Electrolyte/Electrode Behavior Measurement with Operando X-Ray Microscopy of Zinc-Air Batteries, Third Asian Conference on Thermal Sciences, June 2024.

Other Publication

• Hajime Arai, Atsunori Ikezawa. Electrochemical devices | Electrochemical power sources: Metal–air systems, Elsevier Reference Collection in Chemistry, Molecular Sciences and Chemical Engineering, Elsevier, Jan. 2024.  Official location  

Patent

• Hajime Arai, Atsunori Ikezawa. 金属空気電池. Patent. Registered. 国立大学法人東京工業大学, 日本電信電話株式会社. 2020/08/19. 特願2020-138396. 2022/03/04. 特開2022-034627. 特許第7417226号. 2024/01/10 2024.

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