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Solid-state rechargeable magnesium battery

United States Patent

September 6, 2016
View the Complete Patent at the US Patent & Trademark Office
Pacific Northwest National Laboratory - Visit the Technology Commercialization Program Website
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 .gtoreq.95% and exhibit cycling stability for at least 50 cycles.
Shao; Yuyan (Richland, WA), Liu; Jun (Richland, WA), Liu; Tianbiao (Richland, WA), Li; Guosheng (Richland, WA)
Battelle Memorial Institute (Richland, WA)
14/ 177,115
February 10, 2014
ACKNOWLEDGMENT OF GOVERNMENT SUPPORT This invention was made with government support under DE-AC0576RLO1830 awarded by the U.S. Department of Energy. The government has certain rights in the invention.