論文

• Wang Guanyu, Lijie Zhang, Atsunori Ikezawa, Hajime Arai, Keiko Waki. Low-Temperature Active Site Formation for Oxygen Reduction Reaction in (Fe, N)-Doped Carbon Black via Rapid Thermal Annealing, Carbon Trends, Elsevier, Vol. 21, pp. 100556, Dec. 2025.  公式リンク  
  
• Jiayuan Ni, Yuto Miyahara, Ryo Sakamoto, Changhee Lee, Kohei Miyazaki, Atsunori Ikezawa, Hajime Arai, Takeshi Abe. Influence of Perovskite Catalysts and Carbon Graphitization on Carbon Oxidation under Oxygen Evolution Reaction Conditions: A DEMS Study, Journal of The Electrochemical Society, Vol. 172, No. 9, pp. 094506, Sept. 2025.  公式リンク  
  
• Tetsuya Omiya, Atsunori Ikezawa, Keita Takahashi, Keiichi Saito, Masao Yonemura, Takashi Saito, Takashi Kamiyama, Kazuhiro Mori, Hajime Arai. Mitigation of resistance increase in positive electrodes of lithium-ion batteries during floating-cycling by operating voltage control, EES Batteries, Royal Society of Chemistry, Vol. 1, Issue 5, pp. 1323–1337, Aug. 2025.
• Arvind Pujari, Kumar Raju, Atsuko Yaguchi, Yoshihiro Nishimura, Yuya Akimoto, Atsunori Ikezawa, Hajime Arai, Michael De Volder. Operando Confocal Microscopy of Structured Battery Electrodes, Journal of The Electrochemical Society, Vol. 172, No. 7, July 2025.
• Rui Liu, Atsunori Ikezawa, Moritz Borkenhagen, Takeyoshi Okajima, Daniel Schröder, Hajime Arai. Highly active LMO/Ni(Fe)-LDH bifunctional gas-diffusion electrode with bilayer design, Journal of Power Sources, Vol. 652, June 2025.  公式リンク  
  
• Kota Nakahara, Atsunori Ikezawa, Junichi Inamoto, Takeyoshi Okajima, Hajime Arai. How Do Pore Sizes Affect the Oxygen Reduction Reaction Kinetics of Platinum Electrodes?, Journal of Materials Chemistry A, Vol. 13, pp. 18338 - 18347, Apr. 2025.  公式リンク  
  
• Hiroshi Suyama, Shigeki Sato, Tomoya Matsunaga, Toshihiko Inoue, Atsunori Ikezawa, Hajime Arai. Application of Potassium Pyrophosphate Aqueous Electrolytes to Nickel Metal Hydride Batteries, ACS Applied Energy Materials, Vol. 8, No. 7, pp. 4257–4264, Mar. 2025.  公式リンク  
  
• Hajime Arai, Atsunori Ikezawa. Electrochemical Devices | Metal-Air Batteries, Encyclopedia of Electrochemical Power Sources (Second Edition), Elsevier, Vol. 1, pp. 292-300, Jan. 2025.  公式リンク  
  
• Hajime Arai, Atsunori Ikezawa, Jean-Francois Drillet. Batteries – Battery Types – Zinc Batteries | Zinc–Air, Encyclopedia of Electrochemical Power Sources (Second Edition), Elsevier, Vol. 3, pp. 851-864, Jan. 2025.  公式リンク  
  
• Hajime Arai, Atsunori Ikezawa. Lithium Batteries – Lithium Secondary Batteries – Li-ion Battery | Positive Electrode: Lithium Cobalt Oxide, Encyclopedia of Electrochemical Power Sources (Second Edition), Elsevier, Vol. 4, pp. 218-225, Jan. 2025.  公式リンク  
  
• J. Y. Huot, Atsunori Ikezawa, Hajime Arai. Chemistry and Electrochemistry | Zinc, Encyclopedia of Electrochemical Power Sources (Second Edition), Elsevier, Vol. 1, pp. 852-863, Jan. 2025.  公式リンク  
  

著書

• 池澤篤憲, 荒井創. 水溶液系二次電池の研究開発 ～ 高エネルギー密度化と高耐久化 ～, 月刊 車載テクノロジー 2025年 3月号, 技術情報協会, Vol. 12, No. 6, pp. 69-75, Mar. 2025.

国際会議発表 (査読有り)

• Ryohei Kosasa, Atsunori Ikezawa, Hiroshi Suyama, Tomoya Matsunaga, Toshihiko Inoue, Takeyoshi Okajima, Hajime Arai. Elucidation of Charge and Discharge Mechanism of Modified Layered Hydrated Manganese Dioxide Positive Electrode Using Operando Measurements, 248th ECS Meeting, Oct. 2025.
• Hajime Arai, Atsunori Ikezawa. Rechargeability of ZnO Composite Electrodes in Hydrophilic-Polymer Added KOH Electrolytes, 248th ECS Meeting, Oct. 2025.
• Yusuke Suzuki, Haruki Kaneda, Yuki Furuichi, Hiromasa Toya, Takeyoshi Okajima, Atsunori Ikezawa, Hajime Arai. A Comparative Investigation of Single- and Poly-Crystalline Positive Electrode Particles in All-Solid-State Batteries Using Three-Electrode Cells, 248th ECS Meeting, Oct. 2025.
• Hiroshi Suyama, Shigeki Sato, Tomoya Matsunaga, Toshihiko Inoue, Atsunori Ikezawa, Hajime Arai. Batteries Using Anti-Freezing Highly Concentrated K4P2O7 Aqueous Electrolytes, 4th International Zinc and other Aqueous Batteries Workshop, Sept. 2025.
• Liu Rui, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai. Bifunctional LMO/Ni(Fe)-LDH gas-diffusion electrode with bilayer design for rechargeable zinc–air battery, 4th International Zinc and other Aqueous Batteries Workshop, Sept. 2025.
• Ryohei Kosasa, Atsunori Ikezawa, Hiroshi Suyama, Tomoya Matsunaga, Toshihiko Inoue, Takeyoshi Okajima, Hajime Arai. Analysis of charge-discharge mechanism of layered hydrated manganese dioxide positive electrode in alkaline electrolyte, 4th International Zinc and other Aqueous Batteries Workshop, Sept. 2025.
• Moritz Borkenhagen, Rui Liu, Atsunori Ikezawa, Hajime Arai, Daniel Schröder. Exploring Interfacial Behavior: A non-linear Impedance Approach to Gas Diffusion Electrodes in Zinc-Oxygen Batteries, 4th International Zinc and other Aqueous Batteries Workshop, Sept. 2025.

国内会議発表 (査読有り)

• 堀江 航, 池澤 篤憲, 岡島 武義, 荒井 創. その場観察を用いた金属亜鉛合剤電極の劣化挙動解析, 第15回 CSJ化学フェスタ2025, Oct. 2025.
• 岡島 武義, 池澤 篤憲, 伊藤 宏, 石田 直哉, 城間 純, 川本 浩二, 荒井 創. 硫化物系全固体電池における電極材料評価用対極の開発, 2025電気化学会秋季大会, Sept. 2025.
• 小笹 亮平, 池澤 篤憲, 陶山 博司, 松永 朋也, 井上 俊彦, 岡島 武義, 荒井 創. Operando Mn–およびBi–XAFSによる水和二酸化マンガン正極の充放電メカニズム解析, 電気化学会第92回大会, Mar. 2025.
• 野中 菜々子, 池澤 篤憲, 岡島 武義, 荒井 創. Cu, Ag, Niを電位指示物質に用いた二機能性空気極内局所状態の光学観察, 電気化学会第92回大会, Mar. 2025.

特許など

• 荒井創, 池澤篤憲, 佐藤　茂樹, 陶山　博司. 正極活物質及び水系電池. 特許. 公開. 国立大学法人東京科学大学, トヨタ自動車株式会社. 2024/09/18. 特願2024-161106. 2025/04/15. 特開2025-063002. 2025.

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