Patent ID: 7660101
Filing Date: 2010-02-09
Classification: H01G

Abstract:
1. An electrolytic capacitor comprising a compound having an unsaturated carbon-carbon or carbon-nitrogen π bond containing chain which undergoes hydrogen addition reaction and an electrolyte solution comprising a solvent composed of 10-80 wt % of an organic solvent, 90-20 wt % water and at least one type of electrolyte selected from the group consisting of carboxylic acids or their salts or inorganic acids or their salts; wherein the compound having the carbon-carbon or carbon-nitrogen π bond containing chain which undergoes hydrogen addition reaction comprises an alkyne, alkene or imine compound, and at least one substituent selected from the group consisting of hydroxyl, formyl, carbonyl, acyl, carboxyl, sulfonyl, sulfinyl, sulfenyl, amido, amino, alkylamino, dialkylamino, alkoxysilyl, silanol, phenylcarboxyl, nitrile, nitro, nitroso, phenol, phosphono, esters and ethers.