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ELECTROLYTE FORMULATIONS FOR ELECTROCHEMICAL CELLS CONTAINING A SILICON ELECTRODE

United States Patent Application

20180062202
A1
View the Complete Application at the US Patent & Trademark Office
Additives to electrolytes that enable the formation of comparatively more robust SEI films on silicon anodes. The SEI films in these embodiments are seen to be more robust in part because the batteries containing these materials have higher coulombic efficiency and longer cycle life than comparable batteries without such additives. The additives preferably contain a dicarbonate group or are an organo-metallic hydride.
Zhu, Ye (San Diego, CA), Cheng, Gang (San Diego, CA), Strand, Deidre (San Diego, CA), Yang, Jen-Hsien (San Diego, CA)
15/ 251,763
August 30, 2016
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0001] This invention was made with government support under DOE EE0006453 awarded by the Department of Energy. The government has certain rights in the invention.