| 摘要 |
A battery capable of improving cycle characteristics is provided. A separator arranged between a cathode and an anode is impregnated with an electrolytic solution. The electrolytic solution includes: a solvent; and an electrolytic salt, in which the solvent includes a compound having a difluoroalkene structure. The content of the compound having a difluoroalkene structure in the solvent is within a range from 1 wt % to 5 wt % both inclusive.
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