Patent ID: 10573929

Abstract:
Disclosed is an additive for nonaqueous electrolyte solutions, comprising a disulfonic acid amide compound represented by Formula (1).In Formula (1), A represents a CmH(2m-n)Zn, in which m represents an integer of 1 to 6, n represents an integer of 1 to 12, 2m-n is 0 or more, and Z represents a halogen atom, R1, R2, R3, and R4 represent an alkyl group having 1 to 6 carbon atoms which is substituted with a phenyl group optionally having a substituent, or the like, and R1 and R2, and R3 and R4 may be linked respectively to form an alkylene group having 2 to 5 carbon atoms in total which forms a cyclic structure together with a nitrogen atom.