Patent ID: 8035952
Filing Date: 2011-10-11
Classification: C08L,C09D,H01B,H01G,Y02E

Abstract:
1. A capacitor comprising: an anode composed of a porous valve metal body; a dielectric layer formed by oxidizing a surface of the anode, and a cathode formed on the dielectric layer, wherein the cathode has a solid electrolyte layer comprising a conductive composition comprising π conjugated conductive polymer, a polyanion and a hydroxy group-containing aromatic compound selected from the group consisting of: 1,2,3-trihydroxybenzene and the following formula (1): wherein in formula (1), R represents a group selected from a linear or branched alkyl group, an alkenyl group, a cycloalkenyl group, an aryl group, and an aralkyl group, each having 1 to 15 carbon atoms.