| 摘要 |
PROBLEM TO BE SOLVED: To provide a lithium secondary battery high in capacity retention ratio after storage.SOLUTION: A lithium secondary battery includes a nonaqueous electrolyte containing a negative electrode active material such as a carbonaceous material, and a cyclic sulfuric acid ester additive A represented by formula (I) [in the formula, Rrepresents (II) or (III); Rrepresents H, alkyl, (II) or (III); and Rrepresents halogen, (halogenated) alkyl, alkoxy or (IV)]. |
