ELECTROLYTIC CAPACITOR AND CONDUCTIVE POLYMER DISPERSION

摘要

According to the present invention, an electrolytic capacitor comprises an anode, a dielectric layer formed on said anode and a conductive polymer layer that covers at least a portion of said dielectric layer. Said conductive polymer layer comprises a conductive polymer and a polymer dopant. Said polymer dopant comprises a copolymer that includes a first monomer unit that comprises a sulfonate group and a second monomer unit that comprises a functional group represented by Formula (1): -CO-R1-COOH (in this formula, R1 indicates an aliphatic hydrocarbon group with 1-8 carbon atoms, an aromatic group or a divalent group -OR2- wherein R2 indicates an aliphatic hydrocarbon group with 1-8 carbon atoms or an aromatic group).