Patent ID: 9190695
Filing Date: 2015-11-17
Classification: H01M,Y02E,Y02T

Abstract:
1. A non-aqueous electrolytic solution comprising: (1) a non-aqueous solvent comprising at least one material selected from the group consisting of a cyclic carbonate ester, a straight chained carbonate ester, and a cyclic carboxylic acid ester; (2) a lithium salt soluble in the non-aqueous solvent, as an electrolyte salt; and (3) a methylenebissulfonate derivative represented by formula [I], wherein (x+y) moieties of R, each independently represent a halogen atom, an alkyl group having 1 to 6 carbon atoms, a haloalkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, an alkenyl group having 2 to 8 carbon atoms, an alkenyloxy group having 2 to 8 carbon atoms, an alkynyl group having 2 to 8 carbon atoms, an alkynyloxy group having 2 to 8 carbon atoms, an alkylsilyl group having 1 to 18 carbon atoms, an alkoxycarbonyl group having 2 to 6 carbon atoms, an acyloxy group having 2 to 6 carbon atoms, a phenyl group, a phenyloxy group, or a nitro group, and z is 0 or 1, provided that when z is 0, x and y each are integers from 0 to 5, and that when z is 1, x and y each are integers from 0 to 7.