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US 9,437,899 B2Granted
Solid-state rechargeable magnesium battery
AssigneeBattelle Memorial Institute
InventorsYuyan Shao, Jun Liu, Tianbiao Liu, Guosheng Li
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Abstract
Embodiments of a solid-state electrolyte comprising magnesium borohydride, polyethylene oxide, and optionally a Group IIA or transition metal oxide are disclosed. The solid-state electrolyte may be a thin film comprising a dispersion of magnesium borohydride and magnesium oxide nanoparticles in polyethylene oxide. Rechargeable magnesium batteries including the disclosed solid-state electrolyte may have a coulombic efficiency ≧95% and exhibit cycling stability for at least 50 cycles.
Claims18
An electrolyte comprising:
- an all solid-state composition comprising
- Mg(BH4)2;
- A metal oxide of MgO;
- and
- polyethylene oxide.
2 more elements
Dependencies are inferred from the claim text.