| 摘要 |
PURPOSE:To prevent rapid heat generation or relatively rapid breakage of a battery by an overhcarge, and obtain a nonaqueous electrolyte secondary battery of high safety. CONSTITUTION:In a nonaqueous secondary battery having a positive pole 2 comprising lithium composite oxide, a negative pole 1 capable of doping and dedoping lithium, nonaqueous electrolyte, and a current disconnecting means 8, a predetermined quantity of methyl benzene is added to the nonaqueous electrolyte. |
