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Studies on photoelectrochemical lithium insertion/desertion reactions

Research Project

Project/Area Number 16K05929
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Inorganic industrial materials
Research InstitutionTokyo Institute of Technology

Principal Investigator

Hirayama Masaaki  東京工業大学, 物質理工学院, 准教授 (30531165)

Research Collaborator Kanno Ryoji  
Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2018: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Keywords電気化学材料 / 半導体光電極 / インターカレーション / リチウム電池 / 全固体電池 / 光電気化学 / リチウムイオン電池 / インターカレーション電極
Outline of Final Research Achievements

Photoelectrochemical lithium (de)intercalation has been demonstrated structural and electrochemical analyses using epitaxial film model electrodes. Energy band diagrams at the TiO2/organic electrolyte, MoO3/organic electrolyte, and TiO2/Li3PO4 solid electrolyte were investigated, which clarified that the photoelectrochemical activity of lithium ions are related to flat band potential and intercalation potentials. At the TiO2/Li3PO4 interface, the irradiated TiO2 electrode exhibited a higher reversible capacity than that the unirradiated electrode and showed superior cycle stability. Further understanding of photoelectrochemical lithium intercalation at the solid/solid interfaces, photoelectrochemical storage devices are expected to be realized.

Academic Significance and Societal Importance of the Research Achievements

光エネルギーを有効活用したエネルギー変換の重要性は高まり続けるが,固体内のイオンの移動や貯蔵に着目した事例は少ない.本研究では,電極・固体電解質界面に光照射し,n型半導体側で光励起した正孔が,リチウムイオンの脱挿入に関与できることを実験的に明らかにすることができた.全固体電池で固体固体界面での電気化学現象が注目を集めているなか,固体イオニクスの新たな展開が期待できる点で学術的,社会的に意義があると考える.

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (20 results)

All 2019 2018 2017 2016 Other

All Int'l Joint Research (1 results) Journal Article (4 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 4 results,  Acknowledgement Compliant: 1 results) Presentation (10 results) (of which Int'l Joint Research: 3 results,  Invited: 1 results) Remarks (3 results) Patent(Industrial Property Rights) (2 results)

  • [Int'l Joint Research] CNRS(フランス)

    • Related Report
      2018 Annual Research Report
  • [Journal Article] Effect of Surface Chemical Bonding States on Lithium Intercalation Properties of Surface‐Modified Lithium Cobalt Oxide2019

    • Author(s)
      J. Hata, M. Hirayama, K. Suzuki, N. Dupre, D. Guyomard, R. Kanno
    • Journal Title

      Batteries & Supercaps

      Volume: 2 Issue: 5 Pages: 454-463

    • DOI

      10.1002/batt.201800122

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Reversible Structural Changes and High-Rate Capability of Li3PO4-Modified Li2RuO3 for Lithium-Rich Layered Rocksalt Oxide Cathodes2018

    • Author(s)
      Taminato Sou、Hirayama Masaaki、Suzuki Kota、Kim KyungSu、Tamura Kazuhisa、Kanno Ryoji
    • Journal Title

      The Journal of Physical Chemistry C

      Volume: 122 Issue: 29 Pages: 16607-16612

    • DOI

      10.1021/acs.jpcc.8b04723

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Lithium intercalation in the surface region of an LiNi1/3Mn1/3Co1/3O2 cathode through different crystal planes2016

    • Author(s)
      M. Hirayama, M. Abe, S. Taminato, Y. Araki, K. Suzuki and R. Kanno
    • Journal Title

      RSC Advances

      Volume: 6 Issue: 82 Pages: 78963-78969

    • DOI

      10.1039/c6ra17390j

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Neutron reflectometry analysis of Li4Ti5O12/organic electrolyte interfaces: characterization of surface structure changes and lithium intercalation properties2016

    • Author(s)
      M. Hirayama, T. Shibusawa, R. Yamaguchi, K. Kim, S. Taminato, N. L. Yamada, M. Yonemura, K. Suzuki and R. Kanno
    • Journal Title

      Journal of Materials Research

      Volume: 31 Issue: 20 Pages: 3142-3150

    • DOI

      10.1557/jmr.2016.320

    • Related Report
      2016 Research-status Report
    • Peer Reviewed
  • [Presentation] α-MoO3電極/水溶液界面における光電気化学的リチウム挿入反応2019

    • Author(s)
      角田 湧紀, 鈴木 耕太, 平山 雅章, 菅野 了次
    • Organizer
      日本化学会第99回春季年会
    • Related Report
      2018 Annual Research Report
  • [Presentation] α-MoO3 エピタキシャル薄膜電極を用いた光インターカレーション反応の解析2018

    • Author(s)
      角田湧紀, 鈴木耕太, 平山雅章, 菅野了次
    • Organizer
      第8回CSJ化学フェスタ
    • Related Report
      2018 Annual Research Report
  • [Presentation] ZrO2-x surface modification on LiCoO2 film using arc plasma deposition and improving lithium (de-)intercalation properties in high voltage operation2018

    • Author(s)
      J. Hata, M. Hirayama, K. Suzuki, R. Kanno
    • Organizer
      16th Asian Conference on Solid State Ionics
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] ZrO2-x surface modification on LiCoO2 film using arc plasma deposition2018

    • Author(s)
      J. Hata, M. Hirayama, K. Suzuki, R. Kanno
    • Organizer
      the 19th International Meeting on Lithium Batteries(IMLB2018)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Anatase型TiO2電極/固体電解質界面の構築と光照射時におけるリチウム脱挿入反応2018

    • Author(s)
      堀澤侑平, 平山雅章, 鈴木耕太, 菅野了次
    • Organizer
      電気化学会第85回大会
    • Related Report
      2017 Research-status Report
  • [Presentation] X線・中性子線を用いた リチウム電池材料界面の構造解析2017

    • Author(s)
      平山雅章
    • Organizer
      平成28年度電池材料研究会
    • Place of Presentation
      研究社英語センター大会議室
    • Year and Date
      2017-01-25
    • Related Report
      2016 Research-status Report
    • Invited
  • [Presentation] 薄膜モデル電池を用いたアナターゼ型酸化チタン電極/固体電解質界面の電気化学特性評価2017

    • Author(s)
      堀澤 侑平, 平山 雅章, 小林 剛, 鈴木 耕太, 菅野 了次
    • Organizer
      2017年電気化学秋季大会
    • Related Report
      2017 Research-status Report
  • [Presentation] アナターゼ型TiO2負極/有機電解液界面におけるリチウムインターカレーション反応解析2016

    • Author(s)
      平山雅章, 堀澤侑平, 釣田英恵, 鈴木耕太, 菅野了次
    • Organizer
      第42回固体イオニクス討論会
    • Place of Presentation
      名古屋国際会議場
    • Year and Date
      2016-12-05
    • Related Report
      2016 Research-status Report
  • [Presentation] α-MoO3エピタキシャル薄膜の合成とリチウムインターカレーション反応2016

    • Author(s)
      谷田貝朋紀, 鈴木耕太, 平山雅章, 菅野了次
    • Organizer
      第6回CSJ化学フェスタ2016
    • Place of Presentation
      タワーホール船堀
    • Year and Date
      2016-11-16
    • Related Report
      2016 Research-status Report
  • [Presentation] Electrochemical Activation of High-Capacity Li2MnO3 Cathode Analyzed By in Situ Neutron Reflectometry2016

    • Author(s)
      M. Hirayama, S. Taminato, N. Yamada, M. Yonemura, K. Suzuki, R Kanno
    • Organizer
      PRiME2016
    • Place of Presentation
      Hawaii Convention Center
    • Year and Date
      2016-10-05
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Remarks] 東京工業大学・菅野平山研究室

    • URL

      http://www.kanno.echem.titech.ac.jp/paper.php

    • Related Report
      2018 Annual Research Report
  • [Remarks] 菅野・平山研究室

    • URL

      http://www.kanno.echem.titech.ac.jp/

    • Related Report
      2017 Research-status Report
  • [Remarks] 東京工業大学 菅野・平山研究室

    • URL

      http://www.kanno.echem.titech.ac.jp/

    • Related Report
      2016 Research-status Report
  • [Patent(Industrial Property Rights)] ナノ構造体及び電極2018

    • Inventor(s)
      平山雅章、畠純一、鈴木耕太、菅野了次、他3名
    • Industrial Property Rights Holder
      平山雅章、畠純一、鈴木耕太、菅野了次
    • Industrial Property Rights Type
      特許
    • Industrial Property Number
      2018-168866
    • Filing Date
      2018
    • Related Report
      2018 Annual Research Report
  • [Patent(Industrial Property Rights)] ナノ粒子構造体体製造方法及びその装置2018

    • Inventor(s)
      平山雅章、畠純一、鈴木耕太、菅野了次、他3名
    • Industrial Property Rights Holder
      阿川義昭、石川慶太、鳥巣重光
    • Industrial Property Rights Type
      特許
    • Industrial Property Number
      2018-168869
    • Filing Date
      2018
    • Related Report
      2018 Annual Research Report

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Published: 2016-04-21   Modified: 2020-03-30  

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