| 摘要 |
A nonaqueous secondary battery is disclosed, comprising a positive electrode, a negative electrode, and a nonaqueous electrolytic solution containing a lithium salt, wherein the battery contains a hydrazine derivative represented by formula (I):R1R2N-NR3R4(I)wherein R1, R2, and R3 each represents an alkyl group, an aryl group, a heterocyclic group, an acyl group, an oxycarbonyl group or a sulfonyl group; and R4 represents an acyl group, an oxycarbonyl group or a sulfonyl group.
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