| abstract |
An electrolytic capacitor including a cathode that exhibits a high capacity is provided. A cathode having a conductive base, a conductive polymer layer provided on the surface of the conductive base, a base made of a valve metal, and oxidation of the valve metal provided on the surface of the base A positive electrode disposed so that the dielectric layer and the conductive polymer layer of the cathode face each other with a space therebetween, and ion conduction filled in the space An electrolytic capacitor comprising a conductive electrolyte, wherein a voltage is applied between the anode and the cathode, whereby the conductive polymer layer of the cathode in contact with the ion conductive electrolyte has a redox capacity. It is an electrolytic capacitor characterized by manifestation. [Selection figure] None |