| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lithium secondary battery having superior charging/ discharging cycle characteristics and improved safety. <P>SOLUTION: The nonaqueous electrolyte battery contains at least a positive electrode having a positive electrode active material as a main component, a negative electrode having a negative electrode active material as a main component, and nonaqueous electrolyte including electrolytic salt in an nonaqueous solvent. The nonaqueous electrolyte contains phosphine sulfide expressed in the general formula (1) of abstract 1. <P>COPYRIGHT: (C)2004,JPO |
