US 2019/0172656 A1 · ELECTROLYTIC CAPACITOR AND METHOD FOR PRODUCING SAME

Abstract

An electrolytic capacitor includes an anode body, a dielectric layer disposed on the anode body, a solid electrolyte layer disposed on the dielectric layer, and a cathode lead-out layer disposed on the solid electrolyte layer. The solid electrolyte layer contains a first conductive polymer having a thiophene skeleton and a second conductive polymer having an aniline skeleton. In the solid electrolyte layer, a mass ratio of the second conductive polymer with respect to a total mass of the first conductive polymer and the second conductive polymer in a region close to the dielectric layer is greater than a mass ratio of the second conductive polymer with respect to a total mass of the first conductive polymer and the second conductive polymer in a region close to the cathode lead-out layer.

Claims10

Dependent claims

An electrolytic capacitor comprising:

an anode body;
a dielectric layer disposed on the anode body;
a solid electrolyte layer disposed on the dielectric layer;
and
a cathode lead-out layer disposed on the solid electrolyte layer, wherein:
the solid electrolyte layer contains a first conductive polymer having a thiophene skeleton and a second conductive polymer having an aniline skeleton;
and
in the solid electrolyte layer, a mass ratio of the second conductive polymer with respect to a total mass of the first conductive polymer and the second conductive polymer in a region close to the dielectric layer is greater than a mass ratio of the second conductive polymer with respect to a total mass of the first conductive polymer and the second conductive polymer in a region close to the cathode lead-out layer.

5 more elements

Dependencies are inferred from the claim text.

Electrolytic capacitor and method for producing same

Life of this patent

Electrolytic capacitor and method for producing same

Life of this patent

Abstract

Claims10