Patent ID: 8724296
Filing Date: 2014-05-13
Classification: H01G

Abstract:
1. A solid electrolytic capacitor including an anode, a dielectric layer provided on the surface of the anode, a first conductive polymer layer provided on the dielectric layer, a second conductive polymer layer provided on the first conductive polymer layer, a third conductive polymer layer provided on the second conductive polymer layer, and a cathode layer provided on the third conductive polymer layer, wherein the first conductive polymer layer is made of a conductive polymer film of polypyrrole or a conductive polymer film of a derivative of pyrrole, the second conductive polymer layer is made of a conductive polymer film of polythiophene or a conductive polymer film of a derivative of thiophene, and the third conductive polymer layer is made of a conductive polymer film of polypyrrole or a conductive polymer film of a derivative of pyrrole, wherein the first conductive polymer layer is provided directly on the dielectric layer.