Electrical double layer capacitor
AssigneeDaikin Industries, Ltd.
InventorsKenzou Takahashi, Meiten Koh, Mai Koyama
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Abstract
The present invention provides an electric double layer capacitor that has a high withstand voltage, is more resistant to degradation, and also has good cycle characteristics. The present invention relates to an electrolytic solution for an electric double layer capacitor, comprising: (I) a solvent for dissolving an electrolyte salt; and (II) an electrolyte salt, wherein the solvent (I) for dissolving an electrolyte salt includes propylene carbonate and at least one selected from the group consisting of a fluorine-containing chain carbonate and a fluorine-containing chain ether. The present invention also relates to an electric double layer capacitor comprising the electrolytic solution.
Claims9
An electrolytic solution for an electric double layer capacitor, comprising:
- (I) a solvent for dissolving an electrolyte salt;
- and
- (II) an electrolyte salt,
- wherein the solvent (I) for dissolving an electrolyte salt includes propylene carbonate and at least one selected from the group consisting of:
- (Ia) a fluorine-containing chain carbonate and (Ib) a fluorine-containing chain ether.
Dependencies are inferred from the claim text.