Electric double-layer capacitor

Details Electric double-layer capacitor Electric double-layer capacitor

1994-11-18

1998-01-06

Picard, Leo P.

Electricity: electrical systems and devices

Electrolytic systems or devices

Double layer electrolytic capacitor

429209, 429213, H01G 900

Patent

active

057061653

ABSTRACT:
An electric double-layer capacitor including, as the positive electrode and the negative electrode, a material obtained by adhering a polarizable electrode on one or both sides of a conductive material by the use of a conductive adhesive, in which capacitor the polarizable electrodes are formed by a carbon material composed mainly of active carbon, amorphous carbon and expanded graphite, or the conductive adhesive is composed mainly of a resin and expanded graphite, or the polarizable electrodes are formed by a carbon material composed mainly of active carbon, amorphous carbon and expanded graphite and the conductive adhesive is composed mainly of a resin and expanded graphite.
The electric double-layer capacitor has alleviated the drawbacks of the prior art, has a low internal resistance, gives substantially no change in internal resistance when subjected to repeated discharging, and has a long life.

REFERENCES:
patent: 4485155 (1984-11-01), Holl et al.
patent: 4753786 (1988-06-01), Watanabe et al
patent: 5172307 (1992-12-01), Tabuchi et al.
patent: 5470622 (1995-11-01), Rinde et al.

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