Method for the formation of an electrolyte layer of solid electr

Details Method for the formation of an electrolyte layer of solid electr Method for the formation of an electrolyte layer of solid electr

1990-03-19

1992-06-09

Lawrence, Evan

Electrolysis: processes, compositions used therein, and methods

Electrolytic coating

Forming nonelectrolytic coating after forming nonmetal...

205201, 205224, 205917, 29 2503, 427 27, 427 80, C25D 906, H01G 924

Patent

active

051204231

ABSTRACT:
A method for the formation of an electrolyte layer of solid electrolytic capacitors is provided. The method comprises: (1) forming an oxide film with dielectric properties on the surface of a porous electrode made of a valve metal, the electrode being electrically connected to an anode lead made of a valve metal, (2) impregnating the electrode, on which the oxide film has been formed, with a solution of manganese nitrate, (3) electrostatically depositing electrolyte powder particles on the surface of the electrode which has been impregnated with the solution, and (4) pyrolyzing the manganese nitrate to manganese dioxide to form an electrolyte layer on the surface of the oxide film.

REFERENCES:
patent: 3336903 (1967-08-01), Point
patent: 3473092 (1969-10-01), Silgaitis
patent: 3670699 (1972-06-01), Sargent
patent: 3950842 (1976-04-01), Fournier et al.

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