| 摘要 |
A nonaqueous secondary battery is disclosed, which comprises a positive electrode active material, a negative electrode active material, and a nonaqueous electrolyte containing a lithium salt, in which said negative electrode active material contains at least one chalcogenide compound mainly composed of a Group IVB element of the Periodic Table, a Group VB element of the Periodic Table, In, Zn, or Mg. |
