| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery capable of restraining a dissolution reaction of Cu from a positive electrode, and of improving charge-discharge efficiency. <P>SOLUTION: In this nonaqueous electrolyte secondary battery, the surface of a positive electrode or an active material of the positive electrode is coated with a lithium ion conductor such as a polymer of polyvinylidene fluoride, polymethacrylate or tripropylene glycol diacrylate. <P>COPYRIGHT: (C)2004,JPO |
