| 摘要 |
PROBLEM TO BE SOLVED: To obtain a solid-state electrolytic capacitor in which a solid-state electrolytic layer composed of fine uniform conductive high molecules is formed into a winding type capacitor element and which has excellent electrical characteristics and large capacitance. SOLUTION: A capacitor element 10 in which an anode electrode foil 1 and a cathode electrode foil 2 are wound through separators 3 is impregnated with a polymerizable monomer and an oxidizing agent having concentration exceeding 40 wt.% to a solvent, and conductive high molecules formed by a chemical polymerization reaction are held by the separators 3. The degree of polymerization is improved by the oxidizing agent, and the solid electrolytic layer consisting of fine uniform conductive high molecules is obtained.
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