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High conducting oxide--sulfide composite lithium superionic conductor

United States Patent

9,548,512
January 17, 2017
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A solid electrolyte for a lithium-sulfur battery includes particles of a lithium ion conducting oxide composition embedded within a lithium ion conducting sulfide composition. The lithium ion conducting oxide composition can be Li.sub.7La.sub.3Zr.sub.2O.sub.12 (LLZO). The lithium ion conducting sulfide composition can be .beta.-Li.sub.3PS.sub.4 (LPS). A lithium ion battery and a method of making a solid electrolyte for a lithium ion battery are also disclosed.
Liang; Chengdu (Knoxville, TN), Rangasamy; Ezhiylmurugan (Oak Ridge, TN), Dudney; Nancy J. (Knoxville, TN), Keum; Jong Kahk (Farragut, TN), Rondinone; Adam Justin (Knoxville, TN)
UT-Battelle, LLC (Oak Ridge, TN)
14/ 104,803
December 12, 2013
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH This invention was made with government support under contract No. DE-AC05-00OR22725 awarded by the U.S. Department of Energy. The government has certain rights in this invention.