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Studies on Electrochemical Magnesium Storage/release Properties in Carbonate Ester-based Electrolyte Solutions

Research Project

Project/Area Number 16K05959
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Device related chemistry
Research InstitutionDoshisha University

Principal Investigator

Doi Takayuki  同志社大学, 理工学部, 准教授 (30404007)

Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2018: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywords二次電池 / 高容量正極 / 微粒子合成 / マグネシウム
Outline of Final Research Achievements

To achieve the practical use of high-energy density magnesium secondary batteries, we developed carbonate ester-based electrolyte solutions and positive electrode system. The resultant ester-based electrolyte solutions enabled repeated charge/discharge cycles of a magnesium negative-electrode and Mo6S8- and MnO2-positive-electrodes. Nano-sized MoS2 particles, which were synthesized by a heating reflux method, delivered a high specific capacity of about 180 mAh g-1.

Academic Significance and Societal Importance of the Research Achievements

リチウムイオン二次電池のエネルギー密度を凌駕するマグネシウム二次電池を実用化するために、本研究ではマグネシウム負極に適合するエステル系電解液を開発し、正極材料開発の突破口を開く。これによりマグネシウム二次電池の研究開発基盤を大幅に拡大させることが可能になるため大きな意義があり、また、マグネシウムのイオニクスに新たな展開をもたらすことができるため学術面での波及効果も大きい。

Report

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

    (8 results)

All 2019 2018 2017 2016

All Presentation (7 results) (of which Int'l Joint Research: 6 results) Patent(Industrial Property Rights) (1 results)

  • [Presentation] Electrochemical Properties of Nano-Sized MoS2 Positive-Electrodes in Ester-Based Electrolyte Solutions for Magnesium Rechargeable Batteries2019

    • Author(s)
      Kohei Mishima, Takayuki Doi, Minoru Inaba
    • Organizer
      International Battery Association 2019
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Development of Magnesium Rechargeable Batteries with Propylene Carbonate Ester-based Electrolyte Solution2018

    • Author(s)
      Masashi Masumoto, Takayuki Doi, Minoru Inaba
    • Organizer
      International Battery Association 2018
    • Related Report
      2018 Annual Research Report 2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] GBL-based Electrolyte Solutions for Magnesium Rechargeable Batteries2018

    • Author(s)
      Kohei Mishima, Masashi Masumoto, Takayuki Doi, Minoru Inaba
    • Organizer
      International Battery Association 2018
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] GBL-based Electrolyte Solutions for Magnesium Rechargeable Batteries2018

    • Author(s)
      Kohei Mishima, Masashi Masumoto, Takayuki Doi, and Minoru Inaba
    • Organizer
      International Battery Association 2018
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Development of Ester-Based Electrolyte Solution for Electrochemical Deposition/Dissolution of Magnesium2017

    • Author(s)
      Masashi Masumoto, Takayuki Doi, Minoru Inaba
    • Organizer
      The 9th Asian Conference on Electrochemical Power Sources 2017
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] 酢酸塩を用いたマグネシウム二次電池用エステル系電解液の開発2016

    • Author(s)
      杉田 美樹、土井 貴之、稲葉 稔
    • Organizer
      第57回電池討論会
    • Place of Presentation
      幕張メッセ、千葉
    • Year and Date
      2016-11-29
    • Related Report
      2016 Research-status Report
  • [Presentation] The development of ester-based electrolyte solutions for magnesium rechargeable batteries2016

    • Author(s)
      Miki Sugita, Takayuki Doi, Minoru Inaba
    • Organizer
      PRiME2016
    • Place of Presentation
      Honolulu, HI, USA
    • Year and Date
      2016-10-02
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Patent(Industrial Property Rights)] マグネシウム二次電池用電解液およびそれを用いたマグネシウム二次電池2017

    • Inventor(s)
      土井貴之、稲葉稔、増本将士
    • Industrial Property Rights Holder
      土井貴之、稲葉稔、増本将士
    • Industrial Property Rights Type
      特許
    • Industrial Property Number
      2017-104046
    • Filing Date
      2017
    • Related Report
      2017 Research-status Report

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

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