| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lithium secondary battery surely shutting off current at high temperature, inhibiting electrode reaction, and suppressing heat generation. <P>SOLUTION: In the lithium secondary battery equipped with a positive electrode having a positive active material layer and a positive current collector, a negative electrode having a negative active material layer and a negative current collector, a porous separator interposed between the positive active material and the negative active material, and an electrolyte, at least one of the positive active material layer, the negative active material layer, and the separator is bonded with resin secondary particles carrying fine particles on the surfaces or wrapping fine particle on the inside with a binder. <P>COPYRIGHT: (C)2008,JPO&INPIT |
