| 摘要 |
PROBLEM TO BE SOLVED: To provide a lithium secondary battery excellent in battery characteristics such as cycle characteristics, electrical capacity, and preservation characteristics of the battery. SOLUTION: As this electrolytic solution for a lithium secondary battery, an eletrolytic solution having an electrolyte dissolved in a nonaqueous solvent is provided that contains a vinyl sulfone derivative expressed by the following general formula, (where, R is an alkyl group having the number of carbon atoms of 1 to 12, an alkenyl group having the number of carbon atoms of 1 to 12, or a cycloalkyl group having the number of carbon atoms of 3 to 6.), and a lithium secondary battery using this is also provided. |
