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US 2015/0029640 A1Published application
Electrolyte solution for electric double layer capacitors, and electric double layer capacitor
AssigneePanasonic Corporation
InventorsYasuyuki Ito, Hiroyuki Yanagisawa
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Abstract
An electrolytic solution for electric double layer capacitors includes an organic solvent and quaternary ammonium salt dissolved in the organic solvent. The organic solvent consists of sulfolane and chain sulfone. The quaternary ammonium salt is at least one of diethyl dimethyl ammonium salt and ethyl trimethyl ammonium salt.
Claims8
An electrolytic solution for electric double layer capacitors, comprising:
- an organic solvent consisting of sulfolane and chain sulfone;
- and
- quaternary ammonium salt dissolved in the organic solvent and being at least one of diethyl dimethyl ammonium salt and ethyl trimethyl ammonium salt.
An electric double layer capacitor comprising:
- a capacitor element including a positive electrode and a negative electrode electrically isolated from the positive electrode;
- and
- an electrolytic solution with which the capacitor element is impregnated;
- wherein the electrolytic solution includes:
- an organic solvent including sulfolane and chain sulfone;
- and
- quaternary ammonium salt dissolved in the organic solvent and being at least one of diethyl dimethyl ammonium salt and ethyl trimethyl ammonium salt.
4 more elements
Dependencies are inferred from the claim text.