Method of making a cathode electrode for an electrolytic capacit

Details Method of making a cathode electrode for an electrolytic capacit Method of making a cathode electrode for an electrolytic capacit

1977-01-06

1978-10-24

Kendall, Ralph S.

Metal treatment

Compositions

Heat treating

148 624, 427 80, 361433, H01G 924

Patent

active

041219490

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: 1308092 (1919-07-01), Mathers et al.
patent: 2710369 (1955-06-01), Booe
patent: 2871424 (1959-01-01), Aikman
patent: 2871426 (1959-01-01), Hilton et al.
patent: 2937594 (1960-05-01), Miesse et al.
patent: 3243316 (1966-03-01), O'Nan et al.

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