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Ion conducting fluoropolymer carbonates for alkali metal ion batteries

United States Patent

September 5, 2017
View the Complete Patent at the US Patent & Trademark Office
Lawrence Berkeley National Laboratory - Visit the Technology Transfer and Intellectual Property Management Department Website
Liquid or solid electrolyte compositions are described that comprise a homogeneous solvent system and an alkali metal salt dissolved in said solvent system. The solvent system may comprise a fluoropolymer, having one or two terminal carbonate groups covalently coupled thereto. Batteries containing such electrolyte compositions are also described.
DeSimone; Joseph M. (Los Gatos, CA), Pandya; Ashish (Morrisville, NC), Wong; Dominica (Carrboro, NC), Balsara; Nitash P. (El Cerrito, CA), Thelen; Jacob (Berkeley, CA), Devaux; Didier (Berkeley, CA)
The University of North Carolina at Chapel Hill (Chapel Hill, NC), The Regents of the University of California (Oakland, CA)
14/ 779,460
March 31, 2014
GOVERNMENT SUPPORT This invention was made with government support under Grant No. DE-SC0001011, Grant No. DE-EE0003188 and Contract No. DE-AC02-05CH11231 awarded by the Department of Energy, Grant No, DMR-1122483 awarded by the National Science Foundation and Grant No. N00014-10-10550 awarded by the Office of Naval Research. The US Government has certain rights to this invention.