Patent · US Active

Electrolyte for lithium battery and lithium battery comprising same

US7618749B2 · kind B2 · utility

1Cited by
8References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 6, 2007
Grant dateNov 17, 2009
Priority date
Expiry dateNov 14, 2027

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49002
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An electrolyte for a lithium battery includes a non-aqueous organic solvent, a lithium salt, and an additive comprising a) a compound represented by the following Formula (1), and b) a compound selected from the group consisting of a sulfone-based compound, a poly(ester)(meth)acrylate, a polymer of poly(ester)(meth)acrylate, and a mixture thereof:wherein R1 is a C1 to C10 alkyl, a C1 to C10 alkoxy, or a C6 to C10 aryl, and preferably a methyl, ethyl, or methoxy, X is a halogen, and m and n are integers ranging from 1 to 5, where m+n is less than or equal to 6.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.