| 摘要 |
The negative electrode is formed from silicon, an amount of heat generation in a negative electrode, which is measured by a differential scanning calorimeter within a range of 210 to 380° C. during full charge, is 850 J/g or less, and a cyclic carbonate including ethylene carbonate and a chain carbonate which has a chemical formula expressed by R1-O-CO-OR2, and in which R1 and R2 represent an alkyl group having a carbon number of 2 or more are used for an electrolytic solution.
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