| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery having high safety, high discharge potential, high discharge capacity, and high cycle characteristics. <P>SOLUTION: In the nonaqueous electrolyte secondary battery comprising a positive electrode, a negative electrode, and a nonaqueous electrolyte containing a lithium salt, the active material of the negative electrode is a composite oxide represented by formula I: SnZn<SB>h</SB>P<SB>i</SB>O<SB>j</SB>(in the formula I, 0.01≤h≤0.2; 0.1≤i≤2.0; and 2.0≤j≤5.0). <P>COPYRIGHT: (C)2008,JPO&INPIT |
