Method of making polyaniline solid electrolyte capacitor

Details Method of making polyaniline solid electrolyte capacitor Method of making polyaniline solid electrolyte capacitor

1991-10-31

1993-06-29

Chaudhuri, Olik

Metal working

Barrier layer or semiconductor device making

Barrier layer device making

361523, 29 2542, H04R 1700, H01G 700, H01G 900

Patent

active

052230023

ABSTRACT:
Highly conducting polyaniline is produced in situ in a tantalum capacitor by subjecting an excess of monomeric aniline to a solution having a low concentration of ammonium persulfate reagent. The monomer is oxidized by the reagent in preference to the polymer, so that the presence of excess monomer protects the polymer as it is produced against further oxidation to a less conductive species.

REFERENCES:
patent: 4780796 (1988-10-01), Fukuda et al.
patent: 4803596 (1989-02-01), Helwig et al.
MacDiarmid, Alan G.; Epstein, Arthur J., Faraday Discussions of the Chemical Society, 1989, 88, 317-332.

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