| 摘要 |
PROBLEM TO BE SOLVED: To provide a battery suppressing increase in impedance of the battery after partial discharge and capable of using for a long time in a nonaqueous electrolyte primary battery having a positive electrode comprising manganese dioxide. SOLUTION: In the nonaqueous electrolyte primary battery having the positive electrode comprising manganese dioxide, a negative electrode comprising material capable of releasing lithium ions, and a nonaqueous electrolyte, phthalimide is added to the nonaqueous electrolyte and at least 3% of the capacitance of the positive electrode is pre-discharged. COPYRIGHT: (C)2006,JPO&NCIPI
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