Cathode electrode for an electrolytic capacitor and method of ma

Details Cathode electrode for an electrolytic capacitor and method of ma Cathode electrode for an electrolytic capacitor and method of ma

1976-04-30

1977-04-05

Lynch, Michael J.

Electricity: electrical systems and devices

Miscellaneous

252 622, H01G 900

Patent

active

040164659

ABSTRACT:
A cathode electrode of copper-based material adapted for use in an electrical device is provided with a layer composed of at least one compound from the group of copper selenide, copper telluride and copper sulfide by the reaction between the copper-based cathode electrode and an appropriate reactive compound of selenium, tellurium or sulfur. When utilized in an electrolytic capacitor, the layer on the cathode electrode helps to depolarize the capacitor and helps to increase the capacitance of the cathode electrode.

REFERENCES:
patent: 2778979 (1957-01-01), Booe
patent: 3622843 (1971-11-01), Vermilyea et al.
patent: 3877988 (1975-04-01), Dey et al.

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