| 摘要 |
PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte by which, a lithium secondary cell with improved cycle property can be manufactured. SOLUTION: The nonaqueous electrolyte liquid contains lithium salt and the compound expressed by the formula; R11 -CH(R12 )(R13 ), where, R11 represents aryl group, R12 represents hydrogen atom, alkyl group, alkenyl group, alkinyl group, aralkyl group, aryl group, or heterocyclic residue, and R13 represents aralkyl group, heterocyclic residue, aryl group, methoxy group, or benzyloxy group. |
