| 摘要 |
PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery wherein capacity is high, a cycle life is excellent, and reliability is high. SOLUTION: A metallic salt or a semimetallic salt which includes, at least, one selected from among a group comprizing a tungstic acid, a molybdic acid, a titanic acid, a chromic acid, a zirconic acid, a niobic acid, a tantalic acid, a manganic acid, and a vanadic acid is used as an active material of a negative electrode. Al, Sn, Si, Pb, Cd, Bi, In, Zn, Mg, Ge, Ga or the like is used as a metal or a semimetal. |
