Magnesium Borohydride Ammonia Borane as a Magnesium Ionic Conductor
Kazuaki Kisu, Sangryun Kim, Munehiro Inukai, Hiroyuki Oguchi, Shigeyuki Takagi, Shin‐ichi Orimo
Abstract
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.
Topics & Concepts
Ammonia boraneBorohydrideMagnesiumInorganic chemistryBoraneIonic bondingAmmoniaElectrolyteElectrochemistryIonic conductivityChemistrySodium borohydrideProton conductorIonMaterials scienceNuclear chemistryHydrogen storageHydrogenOrganic chemistryCatalysisPhysical chemistryElectrodeHydrogen Storage and MaterialsSuperconductivity in MgB2 and AlloysAmmonia Synthesis and Nitrogen Reduction