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Non-aqueous electrolytes for lithium ion batteries

United States Patent

November 10, 2015
View the Complete Patent at the US Patent & Trademark Office
Argonne National Laboratory - Visit the Technology Development and Commercialization Website
The present invention is generally related to electrolytes containing anion receptor additives to enhance the power capability of lithium-ion batteries. The anion receptor of the present invention is a Lewis acid that can help to dissolve LiF in the passivation films of lithium-ion batteries. Accordingly, one aspect the invention provides electrolytes comprising a lithium salt; a polar aprotic solvent; and an anion receptor additive; and wherein the electrolyte solution is substantially non-aqueous. Further there are provided electrochemical devices employing the electrolyte and methods of making the electrolyte.
Chen; Zonghai (Downers Grove, IL), Amine; Khalil (Downers Grove, IL)
11/ 373,054
March 10, 2006
GOVERNMENT RIGHTS The United States Government has rights in this invention pursuant to Contract No. W31-109-ENG-38 between the U.S. Department of Energy and the University of Chicago representing Argonne National Laboratory.