ADDITIVE FOR ELECTROLYTE SOLUTION AND ELECTROLYTE SOLUTION

摘要

An additive of the formula (1) for use in electrolytic solutions
wherein A is -CH(X)- or -C=C(X)-, X being hydrogen, halogen, alkyl having 1 to 4 carbon atoms, alkoxycarbonyl having 2 to 5 carbon atoms, benzoyl or alkoxycarbonylalkyl having 3 to 9 carbon atoms, Q 1 and Q 2 are the same or different and are each alkyl having 1 to 6 carbon atoms, alkoxyl having 1 to 4 carbon atoms, alkoxycarbonylalkyl having 3 to 9 carbon atoms or amino having as a substituent alkyl having 1 to 4 carbon atoms, and A, Q 1 and Q 2 may form a ring structure.