Electric double layer capacitor and method for producing the sam

Details Electric double layer capacitor and method for producing the sam Electric double layer capacitor and method for producing the sam

1991-03-28

1992-09-22

Griffin, Donald A.

Electricity: electrical systems and devices

Electrolytic systems or devices

Double layer electrolytic capacitor

29 2503, H01G 900

Patent

active

051502836

ABSTRACT:
An electric double layer capacitor which has a pair of polarizable electrodes, composed of electrically-conductive substrates. The substrates are coated in layers of a mixture of activated carbon with a water-soluble material-based binding agent, optionally including an agent for improving electric conductivity. The electrodes face each other interposed by a separator, and are impregnated with an electrolyte. The capacitor has the advantageous features of both conventional capacitors using an aqueous electrolyte and those capacitors using an organic solvent electrolyte; in other words, the capacitor can withstand high voltages while holding a low internal resistance.

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Patent Abstracts of Japan, vol. 13, No. 352, Aug. 1989; JP-A-01-112 719 (Kuraray) May 5, 1989.
Derwent Publications Ltd., JP-A-57 085 027 (Seikosha) May 5, 1982.

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