| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte capable of forming a lithium secondary battery improved in cycle property. <P>SOLUTION: This nonaqueous electrolyte contains a lithium salt and a compound represented by general formula 1. In the formula, R<SB>11</SB>represents aryl group; R<SB>12</SB>represents hydrogen atom, alkyl group, alkenyl group, alkynyl group, aralkyl group, aryl group or heterocyclic residue; and R<SB>13</SB>represents aralkyl group, heterocyclic residue, aryl group, methoxy group or benzyloxy group. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
