| abstract |
A nonaqueous electrolyte solution in which an electrolytic salt is dissolved in a nonaqueous solvent, wherein the nonaqueous electrolytic solution contains at least one isocyanate compound having an ester structure represented by the following formula (I). (I) (Wherein R represents an alkyl group, an alkenyl group, an aryl group having 6 to 12 carbon atoms, an alkyloxy group, an alkenyloxy group, an isocyanatoalkyloxy group, or an aryloxy group having at least one hydrogen atom which may be substituted with a halogen atom X represents a divalent linking group containing at least one ether linkage, or a straight chain or branched alkylene group in which at least one hydrogen atom may be substituted with a halogen atom. |