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J-GLOBAL ID：202101004637337474   Update date: Mar. 31, 2024

CHIKAOKA Yu

チカオカ ユウ | CHIKAOKA Yu
Research field  (3)： Composite materials and interfaces ,  Inorganic compounds/materials chemistry ,  Energy chemistry
Research keywords  (4)： Electrochemistry ,  supercapacitor ,  Lithium ion battery ,  電解液
Research theme for competitive and other funds  (6)：
  • 2019 - 2024 次世代スーパーレドックスキャパシタに関する研究
  • 2022 - 2024 高出力型Mg2+電池に適した新規異種イオン混合型電解液の開発
  • 2022 - 2023 高速充放電可能な全固体型カリウム電池に向けた柔粘性イオン結晶の探索
  • 2022 - 2023 4 級アンモニウム塩の特異的溶解挙動を利用した異種イオン混合型電解液の溶液構造解析
  • 2021 - 2023 反応・異種イオンの輸送能を最適化した新規高出力型電解液の開発
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Papers (11)：
  • Yu Chikaoka, Tomoya Tashiro, Saki Sawayama, Ayana Kobayashi, Ayuna Matsumoto, Etsuro Iwama, Katsuhiko Naoi, Kenta Fujii. Structural aspect on a specific Li-ion ordered complex in dimethyl carbonate-based dual-cation electrolytes. Physical Chemistry Chemical Physics. 2024
  • Yuta Harada, Yu Chikaoka, Marina Kasai, Kyoya Koizumi, Etsuro Iwama, Naohisa Okita, Yuki Orikasa, Wako Naoi, Katsuhiko Naoi. Ultrafast Cathode Characteristics of a Nano-V2(PO4)3 Carbon Composite for Rechargeable Magnesium Batteries. Journal of Materials Chemistry A. 2024
  • Yu Chikaoka, Naomasa Nakata, Kenta Fujii, Saki Sawayama, Riko Ochi, Etsuro Iwama, Naohisa Okita, Yuta Harada, Yuki Orikasa, Wako Naoi, et al. Strategy for Ultrafast Cathode Reaction in Magnesium-Ion Batteries Using BF4 Anion Based Dual-Salt Electrolyte Systems: A Case Study of FePO4. ACS Applied Energy Materials. 2023
  • Keisuke Matsumura, Etsuro Iwama, Kenta Takagi, Naoki Hashizume, Yu Chikaoka, Naohisa Okita, Wako Naoi, Katsuhiko Naoi. Spray-drying synthesis and vanadium-catalyzed graphitization of a nanocrystalline γ-Li3.2V0.8Si0.2O4/C anode material with a unique double capsule structure. Journal of Materials Chemistry A. 2023. 11. 4. 1841-1855
  • Yu Chikaoka, Riko Ochi, Kenta Fujii, Takaaki Ariga, Masato Sakurai, Ayuna Matsumoto, Tsukasa Ueda, Etsuro Iwama, Katsuhiko Naoi. Controlling the Phase Separation of Dimethyl Carbonate Solvents Using a Dual-Cation System: Applications in High-Power Lithium Ion-Based Hybrid Capacitors. The Journal of Physical Chemistry C. 2022. 126. 34. 14389-14398
ｍore...
MISC (17)：
  • Yu CHIKAOKA. Dual-Cation Electrolyte System Using Quaternary Ammonium Salts and Ionic Liquid for High Power and High Energy Li4Ti5O12//AC Hybrid Capacitor System. Denki Kagaku. 2021. 89. 1. 84-84
  • 近岡優, 櫻井雅人, 岩間悦郎, 岩間悦郎, 直井和子, 直井勝彦, 直井勝彦. Remedy for H2 Gas Generation in Li4Ti5O12//AC Hybrid Capacitor Based on Dual-Cation Electrolyte. 電池討論会PDF要旨集(CD-ROM). 2021. 62nd
  • 櫻井雅人, 近岡優, 岩間悦郎, 岩間悦郎, 直井和子, 直井勝彦, 直井勝彦. Development of Quaternary Ammonium Salt / Ionic Liquid Mixed Dual-Cation Electrolytes for Improving Power Capability of Li4Ti5O12//AC Hybrid Capacitors. 電池討論会PDF要旨集(CD-ROM). 2021. 62nd
  • 直井勝彦, 原田雄太, 松村圭祐, 近岡優, 沖田尚久, 岩間悦郎, 近藤竜也, 湊啓裕, 町田健治, 石本修一, et al. Evaluation of SuperRedox Capacitors [nano-Li3VO4//nano-Li3V2(PO4)3] towards Climate Change-Promoting Effective Solar/Regenerative Energy Utilization-. 電池討論会PDF要旨集(CD-ROM). 2021. 62nd
  • 奥田玲子, 近岡優, 岩間悦郎, 岩間悦郎, 直井和子, 直井勝彦, 直井勝彦. Understanding of degradation mechanism of Li3VO4//Li3V2(PO4)3 full cells by charge-discharge simulation and suppression of irreversible reaction using additive VC. 電池討論会PDF要旨集(CD-ROM). 2021. 62nd
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Lectures and oral presentations  (31)：
  • スピロ型アンモニウム塩/カーボネート電解液に特異的な相分離および単相化メカニズム
    (第82回分析化学討論会 2022)
  • 太陽光発電の高効率化を可能とする高速蓄電デバイス[nano-Li3VO4//nano-Li3V2(PO4)3 ]の開発 (JST A-STEP 重点戦略テーマ成果報告)
    (2021)
  • Li3VO4//Li3V2(PO4)3 フルセルの充放電シミュレーションによる劣化メカニズム解明と添加剤 VC による 不可逆反応抑制
    (第62回電池討論会 2021)
  • Li4Ti5O12//AC ハイブリッドキャパシタにおける高電圧時のガス発生抑制を目指したデュアルカチオン電 解液の適用
    (第62回電池討論会 2021)
  • Li4Ti5O12//AC ハイブリットキャパシタの出力特性向上に向けた 4 級アンモニウム塩・イオン液体混合 型デュアルカチオン電解液の開発
    (第62回電池討論会 2021)
ｍore...
Professional career (1)：
  • 博士(工学)
Work history (1)：
  • 2021/04 - 2024/03 Tokyo University of Agriculture and Technology Institute of Global Innovation Research
Awards (6)：
  • 2024/02 - The Royal Society of Chemistry 2024 PCCP HOT Article A structural study on a specific Li-ion ordered complex in dimethyl carbonate-based dual-cation electrolytes
  • 2022/01 - Electrochemistry 2021 Annually Most Downloaded Papers (4th) "Strategy for Cyclability Prolongation of Li3VO4//Li3V2(PO4)3 Full Cells Based on Charge-Discharge Cycling Simulation"
  • 2021/05 - Electrochemistry 2021 Bimonthly Most Downloaded Papers (2nd) "Strategy for Cyclability Prolongation of Li3VO4//Li3V2(PO4)3 Full Cells Based on Charge-Discharge Cycling Simulation"
  • 2020/05 - 電気化学会 若手研究者の国際交流支援
  • 2020/03 - 電気化学会 優秀学生発表賞 「ハイブリッドキャパシタ用デュアルカチオン電解液による H2ガス発生抑制メカニズムの解析」
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Association Membership(s) (2)：
The Electrochemical Society ,  The Electrochemical Society of Japan
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