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ELECTROLYTE FOR STABLE CYCLING OF HIGH-ENERGY LITHIUM SULFUR REDOX FLOW BATTERIES

United States Patent Application

20160126580
A1
View the Complete Application at the US Patent & Trademark Office
Pacific Northwest National Laboratory - Visit the Technology Commercialization Program Website
A device comprising: a lithium sulfur redox flow battery comprising an electrolyte composition comprising: (i) a dissolved Li.sub.2S.sub.x electroactive salt, wherein x.gtoreq.4; (ii) a solvent selected from dimethyl sulfoxide, tetrahydrofuran, or a mixture thereof; and (iii) a supporting salt at a concentration of at least 2 M, as measured by moles of supporting salt divided by the volume of the solvent without considering the volume change of the electrolyte after dissolving the supporting salt.
Xiao, Jie (Richland, WA), Liu, Jun (Richland, WA), Pan, Huilin (Richland, WA), Henderson, Wesley A. (Richland, WA)
BATTELLE MEMORIAL INSTITUTE (Richland WA)
14/ 530,442
October 31, 2014
STATEMENT AS TO RIGHTS TO INVENTIONS MADE UNDER FEDERALLY-SPONSORED RESEARCH AND DEVELOPMENT [0001] This invention was made with government support under Contract DE-AC0576RLO1830 awarded by the U.S. Department of Energy. The government has certain rights in the invention.