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Solvation Structure of Magnesium Ion and Its Electrochemical Reactivity in Ionic Liquids

Research Project

Project/Area Number 25620181
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Inorganic industrial materials
Research InstitutionYokohama National University

Principal Investigator

DOKKO KAORU  横浜国立大学, 工学研究院, 准教授 (70438117)

Co-Investigator(Renkei-kenkyūsha) UMEBAYASHI Yasuhiro  新潟大学, 自然科学系, 教授 (90311836)
Research Collaborator TSUZUKI Seiji  独立行政法人産業技術総合研究所, ナノシステム研究部門, 上級主任研究員 (10357527)
Project Period (FY) 2013-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2013: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Keywordsマグネシウム電池 / 溶媒和構造 / イオン液体 / 電気めっき / 有機電解液 / イオン対 / 電気化学 / 無機工業化学 / 元素戦略 / 電池 / めっき
Outline of Final Research Achievements

The solvation structure of magnesium ion (Mg2+) in an electrolyte consisting of a magnesium salt Mg(N(SO2CF3)2)2 and tetraglyme (G4) was investigated. In the electrolyte, Mg2+ and G4 form a 1:1 complex cation [Mg(G4)]2+. It was revealed that G4 and Mg(N(SO2CF3)2)2 form a thermally stable complex in the molar ratio of 1:1. The melting point of [Mg(G4)](N(SO2CF3)2)2 is 137 degree Celsius, and the complex decomposes at around 200 degree Celsius. The electrochemical deposition of Mg metal was successfully performed in an electrolyte consisting of [Mg(G4)](N(SO2CF3)2)2 and an ionic liquid N-methyl-N-propyl-pyrrolidinium bis(trifluoromethanesulfonyl)amide.

Report

(3 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • Research Products

    (7 results)

All 2015 2014 2013

All Journal Article (5 results) (of which Peer Reviewed: 5 results) Presentation (2 results)

  • [Journal Article] Pentaglyme-K Salt Binary Mixtures: Phase Behavior, Solvate Structures, and Physicochemical Properties2015

    • Author(s)
      Toshihiko Mandai, Seiji Tsuzuki, Kazuhide Ueno, Kaoru Dokko, and Masayoshi Watanabe
    • Journal Title

      Physical Chemistry Chemical Physics

      Volume: 17 Issue: 4 Pages: 2838-2849

    • DOI

      10.1039/c4cp05017g

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Effect of Ionic Size on Solvate Stability of Glyme-Based Solvate Ionic Liquids2015

    • Author(s)
      Toshihiko Mandai, Kazuki Yoshida, Seiji Tsuzuki, Risa Nozawa, Hyuma Masu, Kazuhide Ueno, Kaoru Dokko, and Masayoshi Watanabe
    • Journal Title

      The Journal of Physical Chemistry B

      Volume: 119 Issue: 4 Pages: 1523-1534

    • DOI

      10.1021/jp508100s

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Physicochemical Properties of Pentaglyme-Sodium Bis(trifluoromethanesulfonyl)amide Solvate Ionic Liquid2014

    • Author(s)
      Shoshi Terada, Toshihiko Mandai, Risa Nozawa, Kazuki Yoshida, Kazuhide Ueno, Seiji Tsuzuki, Kaoru Dokko, and Masayoshi Watanabe
    • Journal Title

      Physical Chemistry Chemical Physics

      Volume: 16 Issue: 23 Pages: 11737-11746

    • DOI

      10.1039/c4cp00746h

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Criteria for Solvate Ionic Liquids2014

    • Author(s)
      Toshihiko Mandai, Kazuki Yoshida, Kazuhide Ueno, Kaoru Dokko, and Masayoshi Watanabe
    • Journal Title

      Physical Chemistry Chemical Physics

      Volume: 16 Issue: 19 Pages: 8761-8772

    • DOI

      10.1039/c4cp00461b

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Journal Article] Phase Diagrams and Solvate Structures of Glyme-Na Salts Binary Mixtures2013

    • Author(s)
      Toshihiko Mandai, Risa Nozawa, Seiji Tsuzuki, Kazuki Yoshida, Kazuhide Ueno, Kaoru Dokko, Masayoshi Watanabe
    • Journal Title

      J. Phys, Chem. B

      Volume: 117 Issue: 48 Pages: 15072-15085

    • DOI

      10.1021/jp407582m

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Presentation] グライム-マグネシウム塩錯体の基礎物性と電気化学特性2015

    • Author(s)
      鈴木聡真、渡辺桂矢、寺田尚志、万代 俊彦、上野 和英、獨古 薫、渡邉 正義
    • Organizer
      電気化学会第82回大会
    • Place of Presentation
      横浜
    • Year and Date
      2015-03-15 – 2015-03-17
    • Related Report
      2014 Annual Research Report
  • [Presentation] 溶媒和イオン液体の酸化安定性に及ぼすカチオン電場効果2014

    • Author(s)
      渡辺桂矢、万代俊彦、上野和英、獨古 薫、渡邉正義
    • Organizer
      電気化学会第81回大会
    • Place of Presentation
      関西大学(大阪)
    • Related Report
      2013 Research-status Report

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Published: 2014-07-25   Modified: 2019-07-29  

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