Electrolyte capacitor

Details Electrolyte capacitor Electrolyte capacitor

1990-06-15

1991-10-08

Griffin, Donald A.

Electricity: electrical systems and devices

Electrolytic systems or devices

Solid electrolytic capacitor

252 622, H01G 902

Patent

active

050559753

ABSTRACT:
An electrolyte capacitor composed of at least two foils, an anode foil and a cathode foil, of a valve metal that are wound with one another. The anode foil serving an anode is provided with an oxide layer acting as a dielectric. Spacers that are saturated with an operating electrolyte are arranged between the anode and cathode foils. The operating electrolyte is composed of a quaternary ammonium salt of a carboxyl acid, of an additive of the salt-forming carboxyl acid and of .gamma.-butyrolactone as a solvent.

REFERENCES:
patent: 4734821 (1988-03-01), Morimoto et al.
patent: 4915861 (1990-04-01), Yokoyama et al.

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