| 摘要 |
<P>PROBLEM TO BE SOLVED: To obtain electrolyte solution which is stable even if preserved for a long period, and to provide a lithium secondary battery excellent in a capacity restoration rate with rise of resistance and a generated volume of gas restrained. <P>SOLUTION: On the electrolyte solution for the secondary battery containing a compound expressed in general formula (1) in an aprotic solvent, a content of chlorine in the electrolyte solution is made less than 150 ppm. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
