Ikezawa Atsunori
准教授
池澤 篤憲 イケザワ アツノリ いけざわ あつのり
プロフィール
最終学歴・学位
京都大学大学院工学研究科物質エネルギー化学専攻博士後期課程修了（主指導教員：安部武志教授）・博士（工学）
専門・研究分野
電気化学、エネルギー関連化学
研究
研究テーマ
電気化学を基軸として、その場測定、モデル電極、電気化学シミュレーションを活用しながら、二次電池を中心とした電気化学エネルギーデバイスの基礎研究を行っています。
研究キーワード
電気化学エネルギーデバイス、二次電池、電極触媒、その場測定、モデル電極、電気化学シミュレーション
詳細情報
原著論文（*:責任著者）
1. Atsunori Ikezawa, Kohei Miyazaki*, Tomokazu Fukutsuka, Takeshi Abe
“Investigations of Electrochemically Active Regions in Bifunctional Air Electrodes Using Partially Immersed Platinum Electrodes”
J. Electrochem. Soc., 162, A1646–A1653 (June 2015).
2. Atsunori Ikezawa, Kohei Miyazaki*, Tomokazu Fukutsuka, Takeshi Abe
“Direct measurements of local current distributions on electrodes covered with thin liquid electrolyte films”
Electrochem. Commun, 84, 53–56 (Nov. 2017).
3. Atsunori Ikezawa, Kohei Miyazaki*, Tomokazu Fukutsuka, Takeshi Abe
“Local Current Distributions on Electrodes Covered with Anion-exchange Films”
Chem. Lett., 47, 171–174 (Feb. 2018).
4. Atsunori Ikezawa*, Goro Fukunishi, Takeyoshi Okajima, Fusao Kitamura, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno, Hajime Arai
“Performance of Li4Ti5O12-based reference electrode for the electrochemical analysis of all-solid-state lithium-ion batteries”
Electrochem. Commun., 116, 106743 (Mar. 2020).
5. Hajime Arai*, Atsuko Yaguchi, Yoshihiro Nishimura, Yuya Akimoto, Atsunori Ikezawa
“Operando Optical Analysis of LiFePO4 Composite Electrodes”
J. Phys. Chem. C, 125, 3776–3780 (Feb. 2021).
6. Atsunori Ikezawa*, Masato Horiuchi, Hajime Arai
“Occurrence of shape change in rechargeable alkaline zinc electrodes observed by operando
confocal optics and X-ray diffraction”
J. Power Sources, 507, 230292 (July. 2021).
7. Haruki Kaneda*, Yuki Furuichi, Atsunori Ikezawa, Hajime Arai
“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”
J. Mater. Chem. A, 9, 21981–21994 (Sept. 2021).
8. Atsunori Ikezawa*, Kotaro Seki, Hajime Arai
“Design of bifunctional air electrodes based on the reaction fields between oxygen reduction reaction and oxygen evolution reaction”
Electrochim. Acta, 394, 139128 (Oct. 2021).
9. Atsunori Ikezawa*, Kohei Miyazaki, Tomokazu Fukutsuka, Takeshi Abe
“Impact of Hydrogen Peroxide on Carbon Corrosion in Aqueous KOH Solution”
Electrochemistry, 90, 017011 (Jan. 2022).
10. Akira Matsuzaki, Masaaki Hirayama, Shoya Ohguchi, Mamoru Komo, Atsunori Ikezawa, Kota Suzuki, Kazuhisa Tamura, Hajime Arai, Ryoji Kanno,
“Oxygen Reduction Activity and Interfacial Structures of La0.8Sr0.2CoO3 at Initial Electrochemical Process in an Alkaline Solution”
Electrochemistry, 90, 107001 (Oct. 2022).
11. Atsunori Ikezawa*, Yukinori Koyama, Tadaaki Nishizawa, Hajime Arai,
“A High Voltage Aqueous Proton Battery using an Optimized Operation of a MoO3 PositiveElectrode”,
J. Mat. Chem. A, 11, 2360-2366 (Jan. 2023).
12. Goro Fukunishi, Mayu Tabuchi, Atsunori Ikezawa, Takeyoshi Okajima, Fusao Kitamura, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno, Hajime Arai*
“AC impedance analysis of NCM523 composite electrodes in all-solid-state three electrode cells and their degradation behavior”
Journal of Power Sources, 564, 232864 (Mar. 2023).
13. 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
“Selective Synthesis of Perovskite Oxyhydrides Using a High-Pressure Flux Method”,
J. Am. Chem. Soc., 145, 16398–16405 (July 2023).
14. Goro Fukunishi, Atsunori Ikezawa, Takeyoshi Okajima, Fusao Kitamura, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno, Hajime Arai*
“Impedance Analysis and Cyclability Evaluation of Graphite Composite Electrodes with All-Solid-State Three-Electrode Cells”
ACS Appl. Energy. Mater., 6, 10908-10917 (Oct. 2023).
15. Hiroshi Suyama*, Shigeki Sato, Tomoya Matsunaga, Toshihiko Inoue, Atsunori Ikezawa, Hajime Arai
“Anticrystallization and Superionic Conduction of Highly Concentrated Potassium Pyrophosphate Aqueous Electrolytes”
ACS Appl. Energy. Mater, 6, 11897-11905 (Nov. 2023).
17. Kota Nakahara, Atsunori Ikezawa*, Takeyoshi Okajima, Hajime Arai
“Enhanced Oxygen Reduction Activity of Platinum Micropore”
ChemElectroChem, 11, e202300654 (Jan. 2024).
18. Atsunori Ikezawa*, Juri Kida, Kohei Miyazaki and Hajime Arai “Quantitative DEMS Analysis of CO2 Evolution Reactions in Alkaline Electrolyte Solutions”
Electrochem. Commun., 159, 107647 (Feb. 2024).
19. Chihiro Yamamoto*, Atsunori Ikezawa, Takeyoshi Okajima and Hajime Arai
“Phase Transition Kinetics of LiFePO4 Biphasic Systems in Aqueous and Non-aqueous Electrolytes”
Electrochemistry, 92, 027001 (Feb. 2024).
19. 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 Adv., 3, 529-542 (Feb. 2024).
20. 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”
J. Power Sources, 603, 23441 (Apr. 2024).
21. Kotaro Yoshida, Atsunori Ikezawa*, Takeyoshi Okajima and Hajime Arai
“An all-solid-state electrochemical four-electrode cell -Application to Li-ion transport between two sulfide solid electrolytes-”
Electrochim. Acta, 497, 144523 (May. 2024).
22. Wooseok Kans, Shumpei Kubota, Manabu Kodama*, Atsunori Ikezawa, Hajime Arai, Shuichiro Hirai
“Operando X-Ray Imaging of the Charge-Discharge Behavior of Zinc-Air Batteries”
Electrochemistry, 92, 087003 (July 2024).
23. Kento Imai, Atsunori Ikezawa, Shigeki Sato, and Hajime Arai*
“Soft chemistry derived Al-substituted hydrated nickel hydroxide electrodes for rechargeable aqueous batteries”
24. 久保田 峻平, KANG Wooseok, 兒玉 学*, 池澤 篤憲, 荒井 創, 平井 秀一郎
「フロー型亜鉛空気電池の負極オペランドX線イメージング」
日本機械学会論文集、2024年7月、90 巻、935 号、p. 24
Chem Commun, accepted (Aug. 2024).
25. Haruki Kaneda*, Yuki Furuichi, Tomohiro Yoshida, Atsunori Ikezawa, Hajime Arai
“Effect of Cobalt Substitution on Activation of LiNiO2 Discharge Reaction”
Inorg. Chem., 63, 16750 (Aug. 2024).
26. Davide Cavaliere*, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai
“Reduced artifacts in dynamic electrochemical impedance spectroscopy applied to battery degradation analysis”
J. Power Sources, 621, 235316 (Aug. 2024).
27. 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”
J. Mater. Chem. A, 12, 31603–31611 (Oct. 2025).
28. Hiroshi Suyama*, Shigeki Sato, Tomoya Matsunaga, Toshihiko Inoue, Atsunori Ikezawa, Hajime Arai*
"Application of Potassium Pyrophosphate Aqueous Electrolytes to Nickel Metal Hydride Batteries"
ACS Appl. Energy Mater., 8, 4257–4264 (Apr. 2025).
29. Kota Nakahara, Atsunori Ikezawa*, Junichi Inamoto, Takeyoshi Okajima, Hajime Arai
"How do pore sizes affect the oxygen reduction reaction kinetics of platinum electrodes?"
J. Mater. Chem. A, in press (2025).
著書
1. 池澤 篤憲、「第1章 金属空気二次電池の開発動向 第2節 亜鉛空気二次電池の開発動向」、『金属空気二次電池 -要素技術の開発動向と応用展望-』、サイエンス＆テクノロジー、2021年3月.
2. 荒井創, 池澤篤憲、「亜鉛空気電池：物質輸送の制御技術」, 『CSJ Current Review 44 モビリティ用電池の化学』、サイエンス＆テクノロジー（2022年3月）.
3. 池澤 篤憲、荒井 創、「第17章 亜鉛空気二次電池」、『次世代二次電池の開発動向』、シーエムシー出版 (2023年4月).
4. Hajime Arai and Atsunori Ikezawa, Lithium Batteries – Lithium Secondary Batteries – Li-ion Battery | Positive Electrode: Lithium Cobalt Oxide in "Encyclopedia of Electrochemical Power Sources (Second Edition)"; Elsevier (2025).
5. Hajime Arai and Atsunori Ikezawa, Electrochemical Devices | Metal-Air Batteries in "Encyclopedia of Electrochemical Power Sources (Second Edition)"; Elsevier (2025).
6. Atsunori Ikezawa, Electrochemical Measurements of Lithium-Ion Transports at Sulfide Solid | Solid Interfaces with Electrochemical Four-Electrode Cells in "Interface Ionics"; Springer (2024).
1. Atsunori Ikezawa, Kohei Miyazaki*, Tomokazu Fukutsuka, Takeshi Abe
“Investigations of Electrochemically Active Regions in Bifunctional Air Electrodes Using Partially Immersed Platinum Electrodes”
J. Electrochem. Soc., 162, A1646–A1653 (June 2015).
2. Atsunori Ikezawa, Kohei Miyazaki*, Tomokazu Fukutsuka, Takeshi Abe
“Direct measurements of local current distributions on electrodes covered with thin liquid electrolyte films”
Electrochem. Commun, 84, 53–56 (Nov. 2017).
3. Atsunori Ikezawa, Kohei Miyazaki*, Tomokazu Fukutsuka, Takeshi Abe
“Local Current Distributions on Electrodes Covered with Anion-exchange Films”
Chem. Lett., 47, 171–174 (Feb. 2018).
4. Atsunori Ikezawa*, Goro Fukunishi, Takeyoshi Okajima, Fusao Kitamura, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno, Hajime Arai
“Performance of Li4Ti5O12-based reference electrode for the electrochemical analysis of all-solid-state lithium-ion batteries”
Electrochem. Commun., 116, 106743 (Mar. 2020).
5. Hajime Arai*, Atsuko Yaguchi, Yoshihiro Nishimura, Yuya Akimoto, Atsunori Ikezawa
“Operando Optical Analysis of LiFePO4 Composite Electrodes”
J. Phys. Chem. C, 125, 3776–3780 (Feb. 2021).
6. Atsunori Ikezawa*, Masato Horiuchi, Hajime Arai
“Occurrence of shape change in rechargeable alkaline zinc electrodes observed by operando
confocal optics and X-ray diffraction”
J. Power Sources, 507, 230292 (July. 2021).
7. Haruki Kaneda*, Yuki Furuichi, Atsunori Ikezawa, Hajime Arai
“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”
J. Mater. Chem. A, 9, 21981–21994 (Sept. 2021).
8. Atsunori Ikezawa*, Kotaro Seki, Hajime Arai
“Design of bifunctional air electrodes based on the reaction fields between oxygen reduction reaction and oxygen evolution reaction”
Electrochim. Acta, 394, 139128 (Oct. 2021).
9. Atsunori Ikezawa*, Kohei Miyazaki, Tomokazu Fukutsuka, Takeshi Abe
“Impact of Hydrogen Peroxide on Carbon Corrosion in Aqueous KOH Solution”
Electrochemistry, 90, 017011 (Jan. 2022).
10. Akira Matsuzaki, Masaaki Hirayama, Shoya Ohguchi, Mamoru Komo, Atsunori Ikezawa, Kota Suzuki, Kazuhisa Tamura, Hajime Arai, Ryoji Kanno,
“Oxygen Reduction Activity and Interfacial Structures of La0.8Sr0.2CoO3 at Initial Electrochemical Process in an Alkaline Solution”
Electrochemistry, 90, 107001 (Oct. 2022).
11. Atsunori Ikezawa*, Yukinori Koyama, Tadaaki Nishizawa, Hajime Arai,
“A High Voltage Aqueous Proton Battery using an Optimized Operation of a MoO3 PositiveElectrode”,
J. Mat. Chem. A, 11, 2360-2366 (Jan. 2023).
12. Goro Fukunishi, Mayu Tabuchi, Atsunori Ikezawa, Takeyoshi Okajima, Fusao Kitamura, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno, Hajime Arai*
“AC impedance analysis of NCM523 composite electrodes in all-solid-state three electrode cells and their degradation behavior”
Journal of Power Sources, 564, 232864 (Mar. 2023).
13. 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
“Selective Synthesis of Perovskite Oxyhydrides Using a High-Pressure Flux Method”,
J. Am. Chem. Soc., 145, 16398–16405 (July 2023).
14. Goro Fukunishi, Atsunori Ikezawa, Takeyoshi Okajima, Fusao Kitamura, Kota Suzuki, Masaaki Hirayama, Ryoji Kanno, Hajime Arai*
“Impedance Analysis and Cyclability Evaluation of Graphite Composite Electrodes with All-Solid-State Three-Electrode Cells”
ACS Appl. Energy. Mater., 6, 10908-10917 (Oct. 2023).
15. Hiroshi Suyama*, Shigeki Sato, Tomoya Matsunaga, Toshihiko Inoue, Atsunori Ikezawa, Hajime Arai
“Anticrystallization and Superionic Conduction of Highly Concentrated Potassium Pyrophosphate Aqueous Electrolytes”
ACS Appl. Energy. Mater, 6, 11897-11905 (Nov. 2023).
17. Kota Nakahara, Atsunori Ikezawa*, Takeyoshi Okajima, Hajime Arai
“Enhanced Oxygen Reduction Activity of Platinum Micropore”
ChemElectroChem, 11, e202300654 (Jan. 2024).
18. Atsunori Ikezawa*, Juri Kida, Kohei Miyazaki and Hajime Arai “Quantitative DEMS Analysis of CO2 Evolution Reactions in Alkaline Electrolyte Solutions”
Electrochem. Commun., 159, 107647 (Feb. 2024).
19. Chihiro Yamamoto*, Atsunori Ikezawa, Takeyoshi Okajima and Hajime Arai
“Phase Transition Kinetics of LiFePO4 Biphasic Systems in Aqueous and Non-aqueous Electrolytes”
Electrochemistry, 92, 027001 (Feb. 2024).
19. 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 Adv., 3, 529-542 (Feb. 2024).
20. 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”
J. Power Sources, 603, 23441 (Apr. 2024).
21. Kotaro Yoshida, Atsunori Ikezawa*, Takeyoshi Okajima and Hajime Arai
“An all-solid-state electrochemical four-electrode cell -Application to Li-ion transport between two sulfide solid electrolytes-”
Electrochim. Acta, 497, 144523 (May. 2024).
22. Wooseok Kans, Shumpei Kubota, Manabu Kodama*, Atsunori Ikezawa, Hajime Arai, Shuichiro Hirai
“Operando X-Ray Imaging of the Charge-Discharge Behavior of Zinc-Air Batteries”
Electrochemistry, 92, 087003 (July 2024).
23. Kento Imai, Atsunori Ikezawa, Shigeki Sato, and Hajime Arai*
“Soft chemistry derived Al-substituted hydrated nickel hydroxide electrodes for rechargeable aqueous batteries”
24. 久保田 峻平, KANG Wooseok, 兒玉 学*, 池澤 篤憲, 荒井 創, 平井 秀一郎
「フロー型亜鉛空気電池の負極オペランドX線イメージング」
日本機械学会論文集、2024年7月、90 巻、935 号、p. 24
Chem Commun, accepted (Aug. 2024).
25. Haruki Kaneda*, Yuki Furuichi, Tomohiro Yoshida, Atsunori Ikezawa, Hajime Arai
“Effect of Cobalt Substitution on Activation of LiNiO2 Discharge Reaction”
Inorg. Chem., 63, 16750 (Aug. 2024).
26. Davide Cavaliere*, Atsunori Ikezawa, Takeyoshi Okajima, Hajime Arai
“Reduced artifacts in dynamic electrochemical impedance spectroscopy applied to battery degradation analysis”
J. Power Sources, 621, 235316 (Aug. 2024).
27. 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”
J. Mater. Chem. A, 12, 31603–31611 (Oct. 2025).
28. Hiroshi Suyama*, Shigeki Sato, Tomoya Matsunaga, Toshihiko Inoue, Atsunori Ikezawa, Hajime Arai*
"Application of Potassium Pyrophosphate Aqueous Electrolytes to Nickel Metal Hydride Batteries"
ACS Appl. Energy Mater., 8, 4257–4264 (Apr. 2025).
29. Kota Nakahara, Atsunori Ikezawa*, Junichi Inamoto, Takeyoshi Okajima, Hajime Arai
"How do pore sizes affect the oxygen reduction reaction kinetics of platinum electrodes?"
J. Mater. Chem. A, in press (2025).
著書
1. 池澤 篤憲、「第1章 金属空気二次電池の開発動向 第2節 亜鉛空気二次電池の開発動向」、『金属空気二次電池 -要素技術の開発動向と応用展望-』、サイエンス＆テクノロジー、2021年3月.
2. 荒井創, 池澤篤憲、「亜鉛空気電池：物質輸送の制御技術」, 『CSJ Current Review 44 モビリティ用電池の化学』、サイエンス＆テクノロジー（2022年3月）.
3. 池澤 篤憲、荒井 創、「第17章 亜鉛空気二次電池」、『次世代二次電池の開発動向』、シーエムシー出版 (2023年4月).
4. Hajime Arai and Atsunori Ikezawa, Lithium Batteries – Lithium Secondary Batteries – Li-ion Battery | Positive Electrode: Lithium Cobalt Oxide in "Encyclopedia of Electrochemical Power Sources (Second Edition)"; Elsevier (2025).
5. Hajime Arai and Atsunori Ikezawa, Electrochemical Devices | Metal-Air Batteries in "Encyclopedia of Electrochemical Power Sources (Second Edition)"; Elsevier (2025).
6. Atsunori Ikezawa, Electrochemical Measurements of Lithium-Ion Transports at Sulfide Solid | Solid Interfaces with Electrochemical Four-Electrode Cells in "Interface Ionics"; Springer (2024).
2015年度関⻄電気化学サマースクール 口頭発表賞
2023年度柏木孝夫GXI 賞・GX 奨励賞
2024年度電気化学会関東支部功労賞
2023年度柏木孝夫GXI 賞・GX 奨励賞
2024年度電気化学会関東支部功労賞
1. 公益社団法人電気化学会関東支部 幹事（2019年4月〜2025年3月）
2. 第46回固体イオニクス討論会 実行委員
3. 電気化学会第88回大会 実行委員
4. 第62回電池討論会 実行委員
5. 2019年、2020年、2021年、2022年電気化学会関東支部先端科学セミナー 実行委員
6. 2022年電気化学秋季大会 実行委員
7. 2024年電気化学会関東支部セミナー 実行委員長
8. 2019年電気化学会電気化学セミナー3「初心者のための電気化学測定法－実習編」 講師
9. 2020年、2021年、2022年、2023年、2024年電気化学会電気化学セミナーB「初心者のための電気化学測定法－実習編」 講師
10. 電気化学会第92回大会 実行委員
11. 2025年電気化学会関東支部セミナー 講師
2. 第46回固体イオニクス討論会 実行委員
3. 電気化学会第88回大会 実行委員
4. 第62回電池討論会 実行委員
5. 2019年、2020年、2021年、2022年電気化学会関東支部先端科学セミナー 実行委員
6. 2022年電気化学秋季大会 実行委員
7. 2024年電気化学会関東支部セミナー 実行委員長
8. 2019年電気化学会電気化学セミナー3「初心者のための電気化学測定法－実習編」 講師
9. 2020年、2021年、2022年、2023年、2024年電気化学会電気化学セミナーB「初心者のための電気化学測定法－実習編」 講師
10. 電気化学会第92回大会 実行委員
11. 2025年電気化学会関東支部セミナー 講師
2025年4月〜 東京科学大学物質理工学院応用化学系 特定准教授
- エネルギー環境化学
- エネルギーデバイス化学講究Ⅰ
- エネルギーデバイス化学講究Ⅱ
- Advanced Inorganic Chemistry
- 組織再編前旧課程の同時開講科目等が含まれており、掲載されている全ての科目を開講するわけではありません。
連絡先
研究室
柳下研究室
オフィスアワー
月曜日 10:30-12:00
内線番号
内線4933
メールアドレス
ikezawa●tmu.ac.jp
（メールを送信される場合は●を@に変換してください）
