Patent ID: 9246191
Filing Date: 2016-01-26
CPC Classification: H01M,Y02E,Y02T

Claim Text:
1. A non-aqueous electrolyte comprising: a lithium salt; and a non-linear carbonate-based mixed organic solvent consisting of (a) a cyclic carbonate compound expressed by the following Chemical Formula 1 and (b) a propionate-based ester compound expressed by the following Chemical Formula 3 wherein (a) and (b) are mixed at a volume ratio (a:b) in the range from about 10:90 to about 70:30, and (c) a vinylene carbonate expressed by the following Chemical Formula 2, where R3 to R6 are independently any one selected from the group consisting of a hydrogen, fluorine, and an alkyl group having a carbon number of 1 to 4, respectively, and where R7 and R8 are independently a hydrogen or an alkyl group having a carbon number of 1 to 4, respectively, where R linear carbonate compounds are excluded from the non-aqueous electrolyte.