Patent ID: 9083058
Filing Date: 2015-07-14
Classification: H01M,Y02E

Abstract:
1. A main nonaqueous electrolytic solution, comprising: an electrolyte; and a nonaqueous solvent, wherein the nonaqueous electrolytic solution comprises: (A) a first nonaqueous electrolytic solution which comprises (a1) a compound of formula (1) wherein R R (a2) at least one compound selected from the group consisting of a cyclic carbonate comprising an unsaturated C═C bond, a cyclic carbonate comprising a fluorine atom, a monofluorophosphoric acid salt, and a difluorophosphoric acid salt; (a3) a cyclic carbonate selected from the group consisting of ethylene carbonate and propylene carbonate, (a4) an asymmetric chain dialkyl carbonate, and (a5) a symmetric chain dialkyl carbonate.