| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lithium secondary battery capable of preventing the deterioration of a positive active material caused by charging, and enhancing capacity, charge discharge cycle characteristics, and safety in charging. <P>SOLUTION: The lithium secondary battery is equipped with a positive electrode containing a positive active material capable of inserting and releasing lithium; a negative electrode containing a negative active material capable of inserting and releasing lithium, and a nonaqueous electrolyte, and one or two or more kinds of polyether modified silicone oil are carried in the positive active material. <P>COPYRIGHT: (C)2007,JPO&INPIT |
