| abstract |
(57) [Problem] To provide a non-aqueous electrolyte secondary battery having high capacity and good charge / discharge cycle characteristics. A nonaqueous electrolyte secondary battery comprising a positive electrode, a negative electrode, and a nonaqueous electrolyte solution containing a lithium salt, wherein a hydrazine derivative is contained in the battery. Formula (1) R 11 R 12 N—NR 13 R 14 In the formula (1), R 11 , R 12 , and R 13 are an alkyl group, an aryl group, a heterocyclic group, an acyl group, an oxycarbonyl group, or a sulfonyl. Represents a group. R 14 represents an acyl group, an oxycarbonyl group, or a sulfonyl group. |