| 摘要 |
To provide a solid electrolytic capacitor having a high capacitance and an excellent heat resistance. A solid electrolytic capacitor includes: an anode 2; a dielectric layer 3 provided on the surface of the anode 2; a first conductive polymer layer 4a provided on the dielectric layer 3; a second conductive polymer layer 4b provided on the first conductive polymer layer 4a; a third conductive polymer layer 4c provided on the second conductive polymer layer 4b; and a cathode layer provided on the third conductive polymer layer 4c, wherein the first conductive polymer layer 4a is made of a conductive polymer film formed by polymerizing pyrrole or a derivative thereof, the second conductive polymer layer 4b is made of a conductive polymer film formed by polymerizing thiophene or a derivative thereof, and the third conductive polymer layer 4c is made of a conductive polymer film formed by electropolymerizing pyrrole or a derivative thereof.
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