| 摘要 |
PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte for a nonaqueous electrolyte secondary battery having excellent high temperature durability and rate characteristics. ! SOLUTION: Disclosed is a nonaqueous electrolyte used for a nonaqueous secondary battery. The nonaqueous electrolyte contains a fluorine-containing phosphorous acid diester. The fluorine-containing phosphorous acid diester is represented by general formula (1) and Rf1 and Rf2 are independently a C1-C3 alkyl group, and at least one of Rf1 and Rf2 contains fluorine. ! COPYRIGHT: (C)2014,JPO&INPIT |
