| 摘要 |
<P>PROBLEM TO BE SOLVED: To increase energy quantity of a lithium secondary battery and lengthen cycle life. <P>SOLUTION: In a nonaqueous secondary battery comprising a positive active material, a negative electrode material, and a nonaqueous electrolyte, the positive active material is a transition metal oxide capable of inserting and releasing lithium, and as the negative electrode material, a compound containing a silicon atom is used. <P>COPYRIGHT: (C)2007,JPO&INPIT |
