Magnesium Borohydride Ammonia Borane as a Magnesium Ionic Conductor

Kazuaki Kisu, Sangryun Kim, Munehiro Inukai, Hiroyuki Oguchi, Shigeyuki Takagi, Shin Ichi Orimo

Research output: Contribution to journalArticlepeer-review

60 Citations (Scopus)


Magnesium borohydride ammonia borane, Mg(BH4)2(NH3BH3)2, was electrochemically investigated. Impedance measurements of the mechanochemically synthesized Mg(BH4)2(NH3BH3)2 exhibited an ionic conductivity of 1.3 × 10-5 S cm-1 at 30 °C. Electrochemical cells fabricated with Mg(BH4)2(NH3BH3)2 as the solid electrolyte demonstrated reversible Mg migration through the material, indicating its potential for use as a Mg ionic conductor in all-solid-state Mg-ion batteries.

Original languageEnglish
Pages (from-to)3174-3179
Number of pages6
JournalACS Applied Energy Materials
Issue number4
Publication statusPublished - 2020 Apr 27
Externally publishedYes


  • all-solid-state Mg-ion battery
  • complex hydride
  • magnesium borohydride ammonia borane
  • magnesium ionic conductivity
  • solid electrolyte

ASJC Scopus subject areas

  • Chemical Engineering (miscellaneous)
  • Energy Engineering and Power Technology
  • Electrochemistry
  • Materials Chemistry
  • Electrical and Electronic Engineering


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