Cathode electrode for an electrical device

Details Cathode electrode for an electrical device Cathode electrode for an electrical device

1980-12-08

1983-10-04

James, Andrew J.

Electricity: electrical systems and devices

Miscellaneous

H01G 900

Patent

active

044082576

ABSTRACT:
A cathode electrode of copper-based material adapted for use in an electrical device is provided with a deposit of silver coated with a finely divided electrically conductive material such as graphite palladium or platinum. The silver deposit is formed by reacting a dilute solution of sodium-silver cyanide with the copper-based cathode electrode. When utilized in an electrolytic capacitor, the cathode electrode helps to increase the capacitance of the cathode electrode and the contact of the copper-based material to an acid electrolyte is uniformly distributed over a large area to provide extended operation with high ripple current with deep cycles of charge and discharge.

REFERENCES:
patent: 3523220 (1970-08-01), Harding
patent: 3531693 (1970-09-01), Buice
patent: 3548265 (1970-12-01), Buice et al.
patent: 3628103 (1971-12-01), Booe
patent: 4016465 (1977-04-01), Walters
patent: 4020401 (1977-04-01), Cannon et al.
patent: 4159509 (1979-06-01), Walters

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