KUBOTA KEI 久保田圭

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Kubota Kei 久保田圭

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Researcher Number	50709756
Other IDs	https://orcid.org/0000-0001-8941-3650
Affiliation (Current)	2025: 国立研究開発法人物質・材料研究機構, エネルギー・環境材料研究センター, 主任研究員
Affiliation (based on the past Project Information) *help	2025: 国立研究開発法人物質・材料研究機構, エネルギー・環境材料研究センター, 主任研究員 2021 – 2022: 国立研究開発法人物質・材料研究機構, エネルギー・環境材料研究拠点, 主任研究員 2020: 東京理科大学, 研究推進機構総合研究院, 准教授 2016 – 2019: 東京理科大学, 理学部第一部応用化学科, 講師
Review Section/Research Field	Principal Investigator Basic Section 36020:Energy-related chemistry / Inorganic materials/Physical properties Except Principal Investigator Basic Section 36020:Energy-related chemistry
Keywords	Principal Investigator 固体イオニクス材料 / 機能性セラミックス材料 / 二次電池 / カリウムイオン電池 / 電池材料 / 正極材料 / 電池と電気化学材料 / カリウムポリ酸フッ化物 / リン酸フッ化物 / フッ化物 … More / カリウムポリ酸塩 / 電気化学 / 固体イオニクス / ポリアニオン化合物 / 構造・機能材料 / ナトリウムイオン電池 / ナトリウム遷移金属酸化物 … More Except Principal Investigator 電解液 / 二次電池 / 電気化学 Less

Development of High-Energy-Density and Safe Lithium-Ion Batteries
- Principal Investigator
  
  コソンジェ
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 36020:Energy-related chemistry
- Research Institution
  The University of Tokyo
Synthesis of High-energy Fluorine-Containing Polyanionic Compounds for K-Ion BatteriesPrincipal Investigator
- Principal Investigator
  
  KUBOTA Kei
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 36020:Energy-related chemistry
- Research Institution
  National Institute for Materials Science
  Tokyo University of Science
Study on Rapid Potassium Extraction/Insertion in Polyanion-Type Cahode Materials for Potassium BatteriesPrincipal Investigator
- Principal Investigator
  
  Kubota Kei
- Project Period (FY)
  2018 – 2019
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 36020:Energy-related chemistry
- Research Institution
  Tokyo University of Science
Development of positive electrode materials with tetrahedral framework structures for Na-ion batteriesPrincipal Investigator
- Principal Investigator
  
  Kubota Kei
- Project Period (FY)
  2016 – 2017
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Inorganic materials/Physical properties
- Research Institution
  Tokyo University of Science

All 2022 2021 2020 2019 2018

All Journal Article Presentation

[Journal Article] All-Solid-State Potassium Polymer Batteries Enabled by the Effective Pretreatment of Potassium Metal2022
- Author(s)
  Hamada Mizuki、Tatara Ryoichi、Kubota Kei、Kumakura Shinichi、Komaba Shinichi
- Journal Title
  
  ACS Energy Letters
  
  Volume: 7 Issue: 7 Pages: 2244-2246
- DOI
  10.1021/acsenergylett.2c01096
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K05690, KAKENHI-PROJECT-21K14724, KAKENHI-PROJECT-23K20280
[Journal Article] Active material and interphase structures governing performance in sodium and potassium ion batteries2022
- Author(s)
  Kim Eun Jeong、Kumar P. Ramesh、Gossage Zachary T.、Kubota Kei、Hosaka Tomooki、Tatara Ryoichi、Komaba Shinichi
- Journal Title
  
  Chemical Science
  
  Volume: 13 Issue: 21 Pages: 6121-6158
- DOI
  10.1039/d2sc00946c
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K05690, KAKENHI-PROJECT-21K14724, KAKENHI-PROJECT-23K20280
[Journal Article] A phosphite-based layered framework as a novel positive electrode material for Na-ion batteries2021
- Author(s)
  Hameed A. Shahul、Ohara Mirai、Kubota Kei、Komaba Shinichi
- Journal Title
  
  Journal of Materials Chemistry A
  
  Volume: 9 Issue: 8 Pages: 5045-5052
- DOI
  10.1039/d0ta10517a
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K05690, KAKENHI-PROJECT-23K20280
[Journal Article] A vanadium-based oxide-phosphate-pyrophosphate framework as a 4 V electrode material for K-ion batteries2021
- Author(s)
  Ohara Mirai、Hameed A. Shahul、Kubota Kei、Katogi Akihiro、Chihara Kuniko、Hosaka Tomooki、Komaba Shinichi
- Journal Title
  
  Chemical Science
  
  Volume: 12 Issue: 37 Pages: 12383-12390
- DOI
  10.1039/d1sc03725k
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K05690, KAKENHI-PROJECT-23K20280
[Journal Article] Enhanced Electrochemical Properties of KTiOPO4-rGO Negative Electrode for Sodium and Potassium Ion Batteries2021
- Author(s)
  Kumar Petla Ramesh、Kubota Kei、Igarashi Daisuke、Komaba Shinichi
- Journal Title
  
  The Journal of Physical Chemistry C
  
  Volume: 125 Issue: 45 Pages: 24823-24830
- DOI
  10.1021/acs.jpcc.1c08339
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K05690, KAKENHI-PROJECT-23K20280
[Journal Article] Na3V2O2(PO4)2F3-2 as a stable positive electrode for potassium-ion batteries2021
- Author(s)
  Kumar P. Ramesh、Kubota Kei、Miura Yusuke、Ohara Mirai、Gotoh Kazuma、Komaba Shinichi
- Journal Title
  
  Journal of Power Sources
  
  Volume: 493 Pages: 229676-229676
- DOI
  10.1016/j.jpowsour.2021.229676
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K05690, KAKENHI-PROJECT-17K06017, KAKENHI-PROJECT-23K20280
[Journal Article] Structural Analysis of Sucrose-Derived Hard Carbon and Correlation with the Electrochemical Properties for Lithium, Sodium, and Potassium Insertion2020
- Author(s)
  Kei Kubota, Saori Shimadzu, Naoaki Yabuuchi, Satoshi Tominaka, Soshi Shiraishi, Maria Abreu-Sepulveda, Ayyakkannu Manivannan, Kazuma Gotoh, Mika Fukunishi, Mouad Dahbi and Shinichi Komaba
- Journal Title
  
  Chemistry of Materials
  
  Volume: 32 Issue: 7 Pages: 2961-2977
- DOI
  10.1021/acs.chemmater.9b05235
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K06017, KAKENHI-PROJECT-18K14327
[Journal Article] Research Development on K-Ion Batteries2020
- Author(s)
  Hosaka Tomooki、Kubota Kei、Hameed A. Shahul、Komaba Shinichi
- Journal Title
  
  Chemical Reviews
  
  Volume: - Issue: 14 Pages: 6358-6466
- DOI
  10.1021/acs.chemrev.9b00463
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K14327, KAKENHI-PROJECT-23K20280
[Journal Article] A Layered Inorganic?Organic Open Framework Material as a 4 V Positive Electrode with High‐Rate Performance for K‐Ion Batteries2019
- Author(s)
  Hameed Abdulrahman Shahul、Katogi Akihiro、Kubota Kei、Komaba Shinichi
- Journal Title
  
  Advanced Energy Materials
  
  Volume: 9 Issue: 45 Pages: 1902528-1902528
- DOI
  10.1002/aenm.201902528
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K14327
[Journal Article] CHAPTER 8. From Lithium to Sodium and Potassium Batteries2019
- Author(s)
  Hameed A. Shahul、Kubota Kei、Komaba Shinichi
- Journal Title
  
  Future Lithium-ion Batteries
  
  Volume: - Pages: 181-219
- DOI
  10.1039/9781788016124-00181
- ISBN
  9781788014182, 9781788017602, 9781788016124
- Data Source
  KAKENHI-PROJECT-18K14327
[Journal Article] Potassium Metal as Reliable Reference Electrodes of Non-Aqueous Potassium Cells2019
- Author(s)
  Hosaka Tomooki、Muratsubaki Shotaro、Kubota Kei、Onuma Hiroo、Komaba Shinichi
- Journal Title
  
  The Journal of Physical Chemistry Letters
  
  Volume: XXX Issue: 12 Pages: 3296-3300
- DOI
  10.1021/acs.jpclett.9b00711
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K14327
[Journal Article] Electrochemistry and Solid-State Chemistry of NaMeO2 (Me = 3d Transition Metals)2018
- Author(s)
  Kei Kubota, Shinichi Kumakura, Yusuke Yoda, Kazutoshi Kuroki, and Shinichi Komaba
- Journal Title
  
  Advanced Energy Materials
  
  Volume: 印刷中 Issue: 17 Pages: 1703415-1703415
- DOI
  10.1002/aenm.201703415
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K18242, KAKENHI-PROJECT-16H04225
[Journal Article] Polyanionic Compounds for Potassium‐Ion Batteries2018
- Author(s)
  Hosaka Tomooki、Shimamura Tomoaki、Kubota Kei、Komaba Shinichi
- Journal Title
  
  The Chemical Record
  
  Volume: 19 Issue: 4 Pages: 735-745
- DOI
  10.1002/tcr.201800143
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] カリウム含有バナジウムフッ化物の合成とカリウム電池正極特性2022
- Author(s)
  眞柄和史, 保坂知宙, ペトララメッシュ, 平山拓海, 石川貴博, 多々良涼一, 久保田圭, 駒場慎一
- Organizer
  2022年電気化学会第89回大会
- Data Source
  KAKENHI-PROJECT-20K05690
[Presentation] Potassium-Ion Chemistry: Graphite and Vanadium Phosphates2022
- Author(s)
  Shinichi Komaba, Daisuke Igarashi, Mirai Ohara, Tomooki Hosaka, Ryoichi Tatara, Hiroo Onuma, and Kei Kubota
- Organizer
  73rd Annual Meeting of the International Society of Electrochemistry
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K05690
[Presentation] ナトリウム・カリウムイオン二次電池における材料化学2022
- Author(s)
  久保田圭
- Organizer
  第12回CSJ化学フェスタ2022
- Invited
- Data Source
  KAKENHI-PROJECT-20K05690
[Presentation] 新規Li, Na, K電池材料の開拓と構造・反応機構解析2022
- Author(s)
  久保田圭
- Organizer
  新電池セミナー2022
- Invited
- Data Source
  KAKENHI-PROJECT-20K05690
[Presentation] カリウムイオン電池の研究最新動向2021
- Author(s)
  久保田圭、駒場慎一
- Organizer
  第124回有機デバイス研究会
- Invited
- Data Source
  KAKENHI-PROJECT-20K05690
[Presentation] 金属カリウムによる有機電解液の不純化がカリウムイオン電池特性に与える影響2021
- Author(s)
  多々良涼一、松山達央、保坂知宙、久保田圭、安野聡、駒場慎一
- Organizer
  電気化学会第88回大会、1I21
- Data Source
  KAKENHI-PROJECT-20K05690
[Presentation] リチウム・ナトリウム・カリウム層状酸化物における固体化学と電気化学2021
- Author(s)
  久保田圭
- Organizer
  電気化学会第88回大会、3H10
- Invited
- Data Source
  KAKENHI-PROJECT-20K05690
[Presentation] Na/Kイオン二次電池の放射光解析2021
- Author(s)
  駒場慎一, 久保田圭
- Organizer
  日本学術会議主催学術フォーラム
- Invited
- Data Source
  KAKENHI-PROJECT-20K05690
[Presentation] Open-Framework Polyanionic Compounds as Potassium Insertion Host2021
- Author(s)
  Shinichi Komaba, Tomooki Hosaka, Shahul Hameed, Mirai Ohara, Tetsuya Takahashi, Kei Kubota, and Ryoichi Tatara
- Organizer
  2021 Virtual MRS Spring Meeting & Exhibit
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K05690
[Presentation] リチウム・ナトリウム・カリウムイオン蓄電池の電極材料設計2020
- Author(s)
  久保田圭
- Organizer
  第4回岡山大学次世代電池材料研究会
- Invited
- Data Source
  KAKENHI-PROJECT-20K05690
[Presentation] ヘキサシアノ鉄酸マンガンのカリウム電池正極特性に影響する諸因子の検討2020
- Author(s)
  保坂知宙、深堀大河、久保田圭、小嶋はるか、伊藤祐司、猪瀬耐、井上浩文、武内正隆、駒場慎一
- Organizer
  電気化学会第87回大会
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] KｘMn１-ｙFeｙ[Fe(CN6)]の合成とカリウム電池正極特性2020
- Author(s)
  野呂宣仁、深堀大河、小嶋はるか、保坂知宙、久保田圭、駒場慎一
- Organizer
  電気化学会第87回大会
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] カリウムイオン電池用正極材料K6(VO)2(V2O3)2(PO4)4(P2O7)の合成と電気化学特性2020
- Author(s)
  小原未来、A.Shahul Hameed、久保田圭、保坂知宙、加藤木晶大、智原久仁子、駒場慎一
- Organizer
  第61回電池討論会、2B14
- Data Source
  KAKENHI-PROJECT-20K05690
[Presentation] Research Development on K-Ion Batteries, as post Li-ion and Na-ion batteries2020
- Author(s)
  Shinichi Komaba, Tomooki Hosaka, Kei Kubota
- Organizer
  21st International Symposium on Eco-materials Processing and Design (ISEPD2020)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] ４V級カリウムイオン電池用有機電解液の開発2020
- Author(s)
  保坂知宙、松山達央、久保田圭、多々良涼一、駒場慎一
- Organizer
  電気化学会第88回大会、1I20
- Data Source
  KAKENHI-PROJECT-20K05690
[Presentation] ソフトカーボン電極のリチウム・ナトリウム・カリウムインサーション特性2020
- Author(s)
  久保田圭、齋藤陸遙、伊藤祐司、猪瀬耐、井上浩文、武内正隆、駒場慎一
- Organizer
  電気化学会第87回大会
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] 各種黒鉛材料の電気化学的カリウムインターカレーション特性2020
- Author(s)
  五十嵐大輔、齋藤陸遙、久保田圭、伊藤祐司、猪瀬耐、井上浩文、武内正隆、駒場慎一
- Organizer
  電気化学会第87回大会
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] Development of nonaqueous electrolytes for K-ion batteries2020
- Author(s)
  Shinichi Komaba, Tomooki Hosaka, Kei Kubota, Tatsuo Matsuyama
- Organizer
  2020 International Battery Association (IBA2020)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K05690
[Presentation] ソフトカーボン電極へのリチウム・ナトリウム・カリウム挿入脱離反応の調査2019
- Author(s)
  齋藤陸遙、久保田圭、猪瀬耐、伊藤祐司、井上浩文、武内正隆、駒場慎一
- Organizer
  第46回炭素材料学会年会
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] Polyanionic Compounds for Potassium-Ion Batteries2019
- Author(s)
  Shinichi Komaba, Tomooki Hosaka, Tomoaki Shimamura, Kei Kubota
- Organizer
  International Battery Association (IBA 2019)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] Material Science in K-Ion Batteries2019
- Author(s)
  Shinichi Komaba, Kei Kubota
- Organizer
  第60回電池討論会 National project合同セッション
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] KPF６KFSA電解液を用いた４V級カリウムイオン電池の安定作動2019
- Author(s)
  松山達央、保坂知宙、久保田圭、安野聡、駒場慎一
- Organizer
  第60回電池討論会
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] Polyanionic Compounds for K-Ion Batteries2019
- Author(s)
  Tomooki Hosaka, Tomoaki Shimamura, Kei Kubota, Shinichi Komaba
- Organizer
  International Battery Association (IBA2019)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] Functional Binders for Li-, Na-, and K-Ion Batteries2019
- Author(s)
  Mika Fukunishi, Shinichi Komaba, Tatsuo Horiba, Kei Kubota
- Organizer
  236th ECS Meeting
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] 汎用アルカリ元素を用いる蓄電池の材料化学2019
- Author(s)
  駒場慎一、久保田圭、保坂知宙
- Organizer
  日本化学会第99回春季年会　ATPセッション：T2D革新的な蓄電技術開発
- Invited
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] カリウムイオン電池の材料開発と研究動向2019
- Author(s)
  保坂知宙、島村友章、久保田圭、駒場慎一
- Organizer
  第106回新電池構想部会講演会「次世代蓄電池としての新奇電池」、
- Invited
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] Polyanionic Compounds as Positive Electrode Materials for K-Ion Batteries2019
- Author(s)
  Tomooki HOSAKA, Tomoaki SHIMAMURA, Kei KUBOTA, Shinichi KOMABA
- Organizer
  MATERIALS RESEARCH MEETING 2019
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] K2 [(VO)2(HPO4)2(C2O4)] and Kx VOPO4 as 4 V-Class Positive Electrode Materials for K-Ion Batteries2019
- Author(s)
  S.H.Abdulrahman, A.Katogi, K.Kubota, S.Komaba
- Organizer
  235th ECS Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] Synthesis and Electrochemical Performance of K6(VO)2(V2O3)2(PO4)4(P2O7) for K-ion Batteries2019
- Author(s)
  Mirai Ohara, A.Shahul Hameed, Kei Kubota, Akihiro Katogi, Kuniko Chihara, Shinichi Komaba
- Organizer
  6th International Conference on Sodium Batteries ( ICNaB-2019 )
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] Super-concentrated KFSA Solutions for Non-Aqueous & Aqueous Rechargeable Batteries2019
- Author(s)
  S.Komaba, T.Hosaka, K.Kubota, T.Matsuyama, A.Noda, Y.Matsuda, K.Ida, S.Denzumi
- Organizer
  70th Annual Meeting of the International Society of Electrochemistry ( ISE 2019 ),
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] カリウム含有層状遷移金属酸化物の合成とカリウム二次電池正極特性2019
- Author(s)
  山内将規、保坂知宙、久保田圭、駒場慎一
- Organizer
  第45回固体イオニクス討論会
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] K-Ion Batteries : Electrodes and Electrolyte2019
- Author(s)
  Tomooki Hosaka, Kei Kubota, Shinichi Komaba
- Organizer
  Lithium Battery Discussions (LiBD2019)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] 汎用アルカリ元素を用いる蓄電池の材料化学2019
- Author(s)
  駒場慎一、久保田圭、保坂知宙
- Organizer
  日本化学会第99春季年会
- Invited
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] K2[(VO)2(HPO4)2(C2O4)] as 4 V Electrode Material for K-Ion Batteries2019
- Author(s)
  Shahul Hameed ABDULRAHMAN, Akihiro KATOGI, Kei KUBOTA, Shinichi KOMABA
- Organizer
  MATERIALS RESEARCH MEETING 2019
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] Graphite electrodes for Potassium-Ion Batteries2019
- Author(s)
  Shinichi Komaba, Kei Kubota, Hiroo Onuma
- Organizer
  2019 MRS Spring Meeting and Exhibit
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] Effects of Carbonization Temperature of Needle Coke on Structure and Electrochemical Lithium, Sodium, and Potassium Storage Properties2019
- Author(s)
  Takasumi Saito, Kei Kubota, Tsuyoshi Inose, Yuji Ito, Hirohumi Inoue, Masataka Takeuchi, Shinichi Komaba
- Organizer
  6th International Conference on Sodium Batteries ( ICNaB-2019 )
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] KFePO4Fの合成とカリウム電池特性2019
- Author(s)
  高橋哲也、保坂知宙、久保田圭、駒場慎一
- Organizer
  2019年電気化学秋季大会（ECSJ2019）、
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] カリウムイオン蓄電池用黒鉛の負極特性に影響する諸因子の研究2019
- Author(s)
  久保田圭、小沼宏生、猪瀬耐、伊藤祐司、井上浩文、武内正隆、駒場慎一
- Organizer
  電気化学会第86回大会
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] KPF6-KFSA電解液の４V級カリウムイオン電池への適用2019
- Author(s)
  松山達央、保坂知宙、久保田圭、安野聡、駒場慎一
- Organizer
  電気化学会第86回大会
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] Ionic-Exchange Synthesis of High-Capacity Potassium Manganese Hexacyanoferrate Cathodes for Potassium-Ion Batteries2019
- Author(s)
  Taiga Fukabori, Tomooki Hosaka, Kei Kubota, Haruka Kojima, Yuji Ito, Tsuyoshi Inose, Hirohumi Inoue, Masataka Takeuchi, Shinichi Komaba
- Organizer
  6th International Conference on Sodium Batteries ( ICNaB-2019 )
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] On the materials of Potassium-Ion Batteries2019
- Author(s)
  Shinichi Komaba, Kei Kubota, Tomooki Hosaka
- Organizer
  Power our future 2019 ? The 4th International Forum on Progress and Trends in Battery and Capacitor Technologies
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] Sodium and Potassium Insertion Mechanism into Manganese Hexacyanoferrate2019
- Author(s)
  Tomooki Hosaka, Haruka Kojima, Kei Kubota, Shinichi Komaba
- Organizer
  Lithium Battery Discussions (LiBD2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] K-ion vs. Li-ion capacitors : What about graphite electrode ?2019
- Author(s)
  Shinichi Komaba, Hiroo Onuma, Kei Kubota, Tomooki Hosaka
- Organizer
  6th International Conference on Advanced Capacitors (ICAC2019)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] A2[(VO)2(HPO4)2(C2O4)]; (A= Na and K) as positive electrode materials for Na-ion and K-ion Batteries2018
- Author(s)
  A. Shahul Hameed, Akihiro Katogi, Kei Kubota, Shinichi Komaba
- Organizer
  5th International Conference on Sodium Batteries
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] Facile Synthesis of Layered Metal Organophosphate Open Frameworks (MOPOFs) for High Voltage Electrode Materials in K-Ion Batteries2018
- Author(s)
  A. Shahul Hameed, Akihiro Katogi, Kei Kubota, Shinichi Komaba
- Organizer
  The 19th International Meeting on Lithium Batteries
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] Positive electrode materials for 4-volt K-ion batteries2018
- Author(s)
  Shinichi Komaba, Kei Kubota, Tomooki Hosaka, A. Shahul Hameed, Tomoaki Shimamura
- Organizer
  The 19th International Meeting on Lithium Batteries
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] ナトリウム・カリウムイオン電池の材料開発2018
- Author(s)
  久保田圭、駒場慎一
- Organizer
  分離技術会年会2018
- Invited
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] Advanced Na- and K-ion batteries as "post Li-ion"2018
- Author(s)
  Kei Kubota, Shinichi Komaba
- Organizer
  2018 MRS Spring Meeting & Exhibit
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K18242
[Presentation] Electrode Performance and Phase Transition Mechanism of KFeSO4F for K-Ion Batteries2018
- Author(s)
  Kei Kubota, Tomoaki Shimamura, Shinichi Komaba
- Organizer
  The 19th International Meeting on Lithium Batteries
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K14327
[Presentation] ナトリウムおよびカリウムイオン電池の電極材料開発2018
- Author(s)
  久保田圭、駒場慎一
- Organizer
  分子研研究会「電池の分子科学：理論と実験のインタープレイ最前線」
- Invited
- Data Source
  KAKENHI-PROJECT-16K18242
[Presentation] リチウムフリー・４ボルト級蓄電池の開発2018
- Author(s)
  駒場慎一、久保田圭
- Organizer
  日本化学会 R&D懇話会200回
- Invited
- Data Source
  KAKENHI-PROJECT-18K14327

1. コソンジェ (90910282)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
2. 西村真一 (00549264)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. GOTOH Kazuma

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

KUBOTA KEI 久保田 圭

Kubota Kei 久保田 圭

Research Projects

Research Products

Co-Researchers

Development of High-Energy-Density and Safe Lithium-Ion Batteries

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Synthesis of High-energy Fluorine-Containing Polyanionic Compounds for K-Ion BatteriesPrincipal Investigator

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Study on Rapid Potassium Extraction/Insertion in Polyanion-Type Cahode Materials for Potassium BatteriesPrincipal Investigator

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Development of positive electrode materials with tetrahedral framework structures for Na-ion batteriesPrincipal Investigator

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[Journal Article] All-Solid-State Potassium Polymer Batteries Enabled by the Effective Pretreatment of Potassium Metal2022

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[Journal Article] Active material and interphase structures governing performance in sodium and potassium ion batteries2022

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[Journal Article] A phosphite-based layered framework as a novel positive electrode material for Na-ion batteries2021

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[Journal Article] A vanadium-based oxide-phosphate-pyrophosphate framework as a 4 V electrode material for K-ion batteries2021

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[Journal Article] Enhanced Electrochemical Properties of KTiOPO4-rGO Negative Electrode for Sodium and Potassium Ion Batteries2021

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[Journal Article] Na3V2O2(PO4)2F3-2 as a stable positive electrode for potassium-ion batteries2021

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[Journal Article] Structural Analysis of Sucrose-Derived Hard Carbon and Correlation with the Electrochemical Properties for Lithium, Sodium, and Potassium Insertion2020

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[Journal Article] Research Development on K-Ion Batteries2020

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[Journal Article] A Layered Inorganic?Organic Open Framework Material as a 4 V Positive Electrode with High‐Rate Performance for K‐Ion Batteries2019

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[Journal Article] CHAPTER 8. From Lithium to Sodium and Potassium Batteries2019

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KUBOTA KEI 久保田圭

Kubota Kei 久保田圭

[Presentation] 新規Li, Na, K電池材料の開拓と構造・反応機構解析2022