Method of manufacturing a solid electrolytic capacitor having solid electrolytic layers and an amine compound layer
View Patent ↗A solid electrolytic capacitor according to an aspect of the present invention includes an anode conductor including a porous valve metal body, a dielectric layer formed on a surface of the anode conductor, and a solid electrolyte layer including a conductive polymer layer formed on a surface of the dielectric layer, in which the solid electrolyte layer includes a first solid electrolyte layer formed on a surface of the dielectric layer, and a second solid electrolyte layer formed on a surface of the first solid electrolyte layer, and at least one continuous or discontinuous layer containing an amine compound exists between the first and second solid electrolyte layers, and inside the second solid electrolyte layer.
1. A method of manufacturing a solid electrolytic capacitor comprising:
forming a dielectric layer on a surface of an anode conductor comprising a porous valve metal body;
forming a first solid electrolyte layer on the dielectric layer surface by using at least one of a chemical polymerization method, an electrolytic polymerization method, or a method of applying and drying a conductive polymer solution;
forming an amine compound layer by applying and drying an amine compound solution or an amine compound dispersion liquid; and
forming a second solid electrolyte layer by applying and drying a conductive polymer solution.