Electric double layer capacitor

Details Electric double layer capacitor Electric double layer capacitor

1998-10-26

2000-08-01

Reichard, Dean A.

Electricity: electrical systems and devices

Electrolytic systems or devices

Double layer electrolytic capacitor

361503, 361512, 361502, H01G 9155

Patent

active

060975873

ABSTRACT:
In order to combine improved self discharge characteristics and high reliability under high temperatures, an electric double layer capacitor includes a unit cell or a plurality of stacked unit cells in which each unit cell has a porous separator impregnated with an electrolyte solution, a pair of polarizing electrodes provided on both sides of the porous separator, collectors provided in contact with the external surfaces of the polarizing electrodes, and a gasket provided to seal the electrolyte solution contacting the polarizing electrodes and the porous separator. The porous separator includes two porous separator elements that each have different porosities and that are laminated together.

REFERENCES:
patent: 3648126 (1972-03-01), Boos et al.
patent: 4480290 (1984-10-01), Constanti et al.
patent: 4683639 (1987-08-01), Maesaka et al.
patent: 4697224 (1987-09-01), Wantanabe et al.
patent: 4783723 (1988-11-01), Wantababe et al.
patent: 4954388 (1990-09-01), Mallouk et al.
patent: 5065286 (1991-11-01), Kurabayashi et al.
patent: 5786981 (1998-07-01), Aoki et al.

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