| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lithium secondary battery enhancing charge/discharge cycle characteristics by suppressing stress generating in the vicinity of a region where a current collector and an active material layer are closely contacted. <P>SOLUTION: The lithium secondary battery has a positive electrode, a negative electrode containing a negative active material layer comprising an amorphous silicon film, and a nonaqueous electrolyte 9 added with aluminum iodide. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
