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PROTECTIVE CATHODE COATINGS FOR LITHIUM-ION BATTERIES

United States Patent Application

20170229742
A1
View the Complete Application at the US Patent & Trademark Office
Cathode coatings for lithium ion batteries, cathodes coated with the coatings, and lithium ion batteries incorporating the coated cathodes are provided. The coatings, which are composed of binary, ternary, and higher order metal oxides and/or metalloid oxides, can reduce the hydrofluoric acid (HF)-induced degradation of the electrolyte and/or cathodes, thereby improving the performance of lithium ion batteries, relative to lithium ion batteries that employ bare cathodes.
Aykol, Muratahan (Moraga, CA), Kim, Soo (Skokie, IL), Hao, Shiqiang (Glenview, IL), Lu, Zhi (Evanston, IL), Hegde, Vinay Ishwar (Chicago, IL), Snydacker, David H. (Evanston, IL), Kirklin, Scott J. (Evanston, IL), Morgan, Dane (Middleton, WI), Wolverton, Christopher M. (Evanston, IL)
15/ 427,295
February 8, 2017
REFERENCE TO GOVERNMENT RIGHTS [0002] This invention was made with government support under DE-AC02-06CH11357 awarded by the U.S. Department of Energy (subcontract 4F-32002-M0001 to Northwestern University) and DMR-1309957 awarded by the National Science Foundation. The government has certain rights in the invention.