Electrolytic capacitor and manufacturing method therefor

An electrolytic capacitor comprising:

• an anode body including a dielectric layer;
• and
• a solid electrolyte layer covering at least a part of the dielectric layer and including a conductive polymer, a polymer dopant, and a hydroxy compound,
• wherein the hydroxy compound has two or more alcoholic hydroxy groups or two or more phenolic hydroxy groups, the hydroxy compound having a melting point ranging from 40° C. to 150° C., inclusive.

A method for manufacturing an electrolytic capacitor comprising:

• preparing an anode body including a dielectric layer;
• and
• forming a solid electrolyte layer covering at least a part of the dielectric layer and including a hydroxy compound, wherein:
• forming the solid electrolyte layer includes:
• forming, with use of a first treatment solution, a first conductive polymer layer covering at least a part of the dielectric layer and including a first conductive polymer;
• and
• forming, with use of a second treatment solution, a second conductive polymer layer covering at least a part of the first conductive polymer layer and including a second conductive polymer,
• the second treatment solution contains a polymer dopant and the hydroxy compound, and
• the hydroxy compound has two or more alcoholic hydroxy groups or two or more phenolic hydroxy groups, the hydroxy compound having a melting point ranging from 40° C. to 150° C., inclusive.