Patent ID: 6984471
Filing Date: 2006-01-10
Classification: H01M,Y02E

Abstract:
1. A nonaqueous electrolyte having electrolyte salt dissolved in a nonaqueous solvent, wherein the ratio of the nonaqueous solvent having a ring structure is 50 wt % or more in nonaqueous solvent components and the nonaqueous solvent includes at least one or more kinds of halogenated solvents expressed by a below-described general formula (1); (at least one of R 1 and R 2 designates an alkyl group having the number of carbons of 4 or larger and at least one of them is a halogenated alkyl group) wherein the ratio of the halogenated solvent is 10 wt % or more and 20 wt % or less in the nonaqueous solvent components.