Solid electrolytic capacitor

Details Solid electrolytic capacitor Solid electrolytic capacitor

1994-11-14

1995-06-27

Reynolds, Bruce A.

Electricity: electrical systems and devices

Electrolytic systems or devices

Solid electrolytic capacitor

29 2503, H01G 902

Patent

active

054285003

ABSTRACT:
A solid electrolytic capacitor includes an anode, a dielectric layer, a solid electrolyte layer, and a cathode electrode. The solid electrolyte layer consists of a conductive polymer compound obtained by doping a dopant in one of a copolymer and a mixture of polypyrrole or a derivative thereof, the polypyrrole having a repetition unit represented by a formula ##STR1## wherein each of R.sub.1 to R.sub.3 represents an alkyl group or a hydrogen atom, and polyaniline or a derivative thereof, the polyaniline having a repetition unit represented by a formula ##STR2## wherein each of R.sub.4 to R.sub.7 represents an alkyl group or a hydrogen atom.

REFERENCES:
patent: 4780796 (1988-10-01), Fukuda et al.
patent: 4803596 (1989-02-01), Hellwig et al.
patent: 5120472 (1992-06-01), Shikatani et al.

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