Patent ID: 8339770
Filing Date: 2012-12-25
Classification: H01G,Y02E

Abstract:
1. A capacitor comprising: an anode made of a porous valve metal; a dielectric layer formed by oxidizing a surface of the anode; and a solid electrolyte layer formed on a surface of the dielectric layer, wherein the solid electrolyte layer comprises a π conjugated conductive polymer, a polyanion, an ion-conductive compound, and an alkaline compound, wherein the alkaline compound is selected from at least one of the group consisting of inorganic alkaline compounds, nitrogen-containing aromatic cyclic compounds, aliphatic amines and metal alkoxides; the ion-conductive compound is a compound having a structure represented by the following Chemical Formula (I): (in the Chemical Formula (I), R represents at least one selected from the group consisting of substituted or unsubstituted alkylenes, substituted or unsubstituted alkenylenes, and substituted or unsubstituted phenylenes, and n represents an integer of 1 to 2,000), the ion-conductive compound has a number average molecular weight of 200 to 20000.