| 摘要 |
PROBLEM TO BE SOLVED: To provide: a nonaqueous electrolyte for a battery, which enables the enhancement of low-temperature cycle characteristics, and the suppression of metallic lithium precipitation after low-temperature cycle; and a lithium secondary battery arranged by use of such a nonaqueous electrolyte.SOLUTION: A nonaqueous electrolyte is used, which comprises: an additive agent A consisting of a five-membered cyclic sulfate ester compound of a particular structure; and an additive agent B consisting of a sulfonyl fluoride compound of a particular structure.SELECTED DRAWING: None |
