Autogenous electrolyte, non-pyrolytically produced solid capacit

Details Autogenous electrolyte, non-pyrolytically produced solid capacit Autogenous electrolyte, non-pyrolytically produced solid capacit

1995-09-27

1998-03-17

Picard, Leo P.

Electricity: electrical systems and devices

Electrostatic capacitors

With protection or compensating means

3612741, 361311, 361312, 361323, 361504, 361524, 361525, H01G 4015, H01G 902

Patent

active

057294240

ABSTRACT:
A solid electrolytic capacitor having a solid electrolyte comprising manganese dioxide dispersed in an aromatic polyamide capable of further cure to form polyimide linkages, the solid electrolyte being disposed between a first electrode made of valve metal covered by an anodic oxide film and a second electrode opposite the first electrode. The electrolyte autogenously produces water, oxygen, and hydroxyl groups which act as healing substances and is not itself produced pyrolytically. Reduction of the manganese dioxide and the water molecules released by formation of imide linkages result in substantially improved self-healing of anodic dielectric layer defects.

REFERENCES:
patent: 3249561 (1966-05-01), Hendrix
patent: 3260691 (1966-07-01), Lavin et al.
patent: 3483144 (1969-12-01), Lavin et al.
patent: 3946289 (1976-03-01), Yasuda
patent: 4107125 (1978-08-01), Lovejoy
patent: 4705720 (1987-11-01), Kundinger et al.
patent: 4943892 (1990-07-01), Tsuchiya et al.

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