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Development of dual-salt/dual-solvent battery by using polyvalent cations

Research Project

Project/Area Number 26289280
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypePartial Multi-year Fund
Section一般
Research Field Metal making/Resorce production engineering
Research InstitutionTohoku University (2016)
Kyoto University (2014-2015)

Principal Investigator

Ichitsubo Tetsu  東北大学, 金属材料研究所, 教授 (40324826)

Project Period (FY) 2014-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥16,250,000 (Direct Cost: ¥12,500,000、Indirect Cost: ¥3,750,000)
Fiscal Year 2016: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2015: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2014: ¥6,110,000 (Direct Cost: ¥4,700,000、Indirect Cost: ¥1,410,000)
Keywordsリチウム / マグネシウム / デュアルイオン / デュアルソルト / 蓄電池 / 金属負極 / 革新蓄電池 / 二塩 / 二液 / ロッキングチェア型 / 二塩蓄電池 / マグネシウムリチウム蓄電池 / デンドライトフリー / 二液電池 / ポストリチウム / 多価金属 / 塩析分離
Outline of Final Research Achievements

In order to improve the energy density of the storage battery, if lithium metal can be used for the negative electrode, a significant improvement in energy density can be expected. However, it is a crucial problem that lithium is electrodeposited in the form of dendrite during charging, resulting in short-circuiting and loss of lithium. Therefore, in this research, we proposed a rocking-chair-type dual-salt battery which makes both magnesium ion and lithium ion charge carriers. In this rocking-chair-type dual-salt storage battery, it is expected that drastic improvement in energy density can be achieved by using the Mg-Li alloy negative electrode that is capable of suppressing dendrite electrodeposition.

Report

(4 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Annual Research Report
  • 2014 Annual Research Report

Research Products

(3 results)

All 2017 2016 2015

All Journal Article (2 results) (of which Peer Reviewed: 2 results,  Acknowledgement Compliant: 2 results) Presentation (1 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Constructing metal-anode rechargeable batteries utilizing concomitant intercalation of Li-Mg dual cations into Mo6S82017

    • Author(s)
      Hongyi Li, Tetsu Ichitsubo, Shunsuke Yagi and Eiichiro Matsubara
    • Journal Title

      Journal of Materials Chemistry A

      Volume: 5 Pages: 3534-3540

    • DOI

      10.1039/c6ta10663c

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Toward "Rocking-chair type" Mg-Li Dual-salt Battery2015

    • Author(s)
      T. Ichitsubo, S. Okamoto, T. Kawaguchi, Y. Kumagai, F. Oba, S. Yagi, N. Goto, T. Doi, E. Matsubara
    • Journal Title

      Journal of Materials Chemistry A

      Volume: 3 Pages: 10188-10194

    • DOI

      10.1039/c5ta01365h

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] Feasibility of MetalAnode Rechargeable Battery: Toward "RockingChair" Type MgLi DualSalt Batteries2016

    • Author(s)
      Li Hongy
    • Organizer
      The Electrochemical Society
    • Place of Presentation
      Honolulu, Hawaii
    • Year and Date
      2016-10-02
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research

URL: 

Published: 2014-04-04   Modified: 2018-03-22  

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