| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lithium secondary battery excellent in battery characteristics such as battery cycle characteristics, battery capacity and preservation characteristics, and also, to provide a lithium primary battery excellent in a discharge capacity and a self-discharge rate. <P>SOLUTION: In nonaqueous electrolyte solution in which an electrolyte is dissolved in a nonaqueous solvent, a nitrile compound and an S=O group-containing compound, or a small amount of dinitrile compound are added in the nonaqueous electrolyte solution. A lithium battery using the nonaqueous electrolyte solution is also provided. <P>COPYRIGHT: (C)2013,JPO&INPIT |
