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Title: Solid-state rechargeable magnesium battery

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.
Inventors:
; ; ;
Issue Date:
OSTI Identifier:
1320786
Assignee:
Battelle Memorial Institute PNNL
Patent Number(s):
9,437,899
Application Number:
14/177,115
Contract Number:
AC05-76RL01830
Resource Relation:
Patent File Date: 2014 Feb 10
Research Org:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; 36 MATERIALS SCIENCE

Other works cited in this record:

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  • Advanced Materials, Vol. 15, Issue 78, p. 627-630
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Poly(methylmethacrylate)—magnesium triflate gel polymer electrolyte for solid state magnesium battery application
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journal, July 2002

A novel polymeric gel electrolyte systems containing magnesium salt with ionic liquid
journal, June 2005

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journal, June 2003
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