High temperature aluminum electrolytic capacitor

Details High temperature aluminum electrolytic capacitor High temperature aluminum electrolytic capacitor

1988-05-23

1989-04-18

Griffin, Donald A.

Electricity: electrical systems and devices

Electrolytic systems or devices

Liquid electrolytic capacitor

252 622, H01G 902

Patent

active

048232360

ABSTRACT:
A capacitor having a wound aluminum foil electrolytic capacitor section contains an electrolyte solution of 10 to 32 wt % diethylammonium fumarate, 10 to 30 wt % N-methylpyrrolidinone, 4 to 7 wt % water, 0.1 to 0.5 wt % ammonium dihydrogen phosphate, with the remainder ethylene glycol. The capacitor is capable of operation at temperatures up to 125.degree. C.

REFERENCES:
patent: 4373176 (1983-02-01), Finkelstein et al.
patent: 4454567 (1984-06-01), Ross et al.
patent: 4509094 (1985-04-01), Finkelstein et al.
patent: 4734821 (1988-03-01), Morimoto et al.

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