Electrode Potentials of Lithium Insertion Materials

• Project/Area Number: 15K06491
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Structural/Functional materials
• Research Institution: Osaka City University
• Principal Investigator: Ariyoshi Kingo 大阪市立大学, 大学院工学研究科, 准教授 (80381979)
• Co-Investigator(Kenkyū-buntansha): 岸田 逸平 大阪市立大学, 大学院工学研究科, 助教 (30419676)
• Project Period (FY): 2015-04-01 – 2018-03-31
• Project Status: Completed (Fiscal Year 2017)
• Budget Amount: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000); Fiscal Year 2017: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000); Fiscal Year 2016: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000); Fiscal Year 2015: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
• Keywords: リチウムイオン電池 / リチウムインサーション材料 / リチウムイオン蓄電池

Outline of Final Research Achievements

Lithium insertion materials are electrode materials in lithium-ion batteries, which have been widely used as power sources for portable electronic devices. Objective of this research is to find structural and electronic factors affecting electrode potentials of solid-state redox reactions in the materials. Theoretical and experimental approaches revealed that electrode potentials of lithium insertion materials depends on transition metal ions as a solid-state redox couple rather than crystal structure.

Research Products

• [Journal Article] First-Principles Calculations of Ionic Conduction in Olivine-Type Li<i>_x</i>FePO₄ (2018)
  • Author(s): Ippei Kishida, Shota Koyama, Yoshiyuki Yokogawa
  • Journal Title: MATERIALS TRANSACTIONS Volume: 59 Issue: 7 Pages: 1062-1067
  • DOI: 10.2320/matertrans.MD201707
  • NAID: 130007410554
  • ISSN: 1345-9678, 1347-5320
  • Year and Date: 2018-07-01
  • Peer Reviewed
• [Journal Article] Error Control of Single-Point Energy from First-principles Band Calculations (2016)
  • Author(s): Kishida Ippei
  • Journal Title: Memoirs of the Faculty of Engineering, Osaka City University Volume: 57 Pages: 1-9
  • NAID: 120006309983
  • Acknowledgement Compliant
• [Presentation] オリビン型構造LixFePO4の イオン伝導機構の第一原理計算 (2018)
  • Author(s): 岸田逸平
  • Organizer: 日本金属学会 2018年春期講演大会
• [Presentation] クラスター展開とグラフ理論によるオン伝導の最安定経路探索 (2017)
  • Author(s): 岸田 逸平
  • Organizer: 日本セラミックス協会 2017年年会
  • Place of Presentation: 日本大学 東京都千代田区
  • Year and Date: 2017-03-17
• [Presentation] Li 遷移金属酸化物の結晶構造と電極電位の第一原理計算 (2017)
  • Author(s): 山内惇平・岸田逸平・横川善之
  • Organizer: 日本セラミックス協会 2017年年会
  • Place of Presentation: 日本大学 東京都千代田区
  • Year and Date: 2017-03-17
• [Presentation] Voltage Hysteresis in Li-Rich Materials Examined by Backstitch Charge-Discharge Methods (2017)
  • Author(s): Kingo Ariyoshi, Takayuki Inoue, and Yusuke Yamada
  • Organizer: 58th Battery Symposium in Japan
• [Presentation] Backstitch法を用いたリチウム過剰正極の電位ヒステリシスに関する検討 (2017)
  • Author(s): 有吉欽吾・井上貴之・山田裕介
  • Organizer: 電気化学会第８４回大会
• [Presentation] クラスター展開とグラフ理論によるイオン伝導の最安定経路探索 (2017)
  • Author(s): 岸田逸平
  • Organizer: 日本セラミックス協会 2017年年会
• [Presentation] Li遷移金属酸化物の結晶構造と電極電位の第一原理計算 (2017)
  • Author(s): 山内惇平・岸田逸平・横川善之
  • Organizer: 日本セラミックス協会 2017年年会
• [Presentation] リチウム過剰系正極LiCoO2-Li2MnO3の結晶構造および電気化学挙動 (2016)
  • Author(s): 井上貴之・山田裕介・有吉欽吾
  • Organizer: 第５７回電池討論会
  • Place of Presentation: 幕張メッセ 千葉県千葉市
  • Year and Date: 2016-11-29