A novel Mg(BH4)2·1.9NH3-MgBr2·2NH3 composite was demonstrated as a solid-state Mg2+ electrolyte. The in situ decoration of MgBr2·2NH3 nanoparticles with an average size of 3.7 nm on the surface of Mg(BH4)2·1.9NH3… Click to show full abstract
A novel Mg(BH4)2·1.9NH3-MgBr2·2NH3 composite was demonstrated as a solid-state Mg2+ electrolyte. The in situ decoration of MgBr2·2NH3 nanoparticles with an average size of 3.7 nm on the surface of Mg(BH4)2·1.9NH3 improves the Mg2+ conductivity to 2.1 × 10-4 S cm-1 at 50 °C and offers long-term stability towards the Mg metal anode.
               
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