FIELD: electrical engineering. SUBSTANCE: polarized electrodes and separators with electrolyte put between them are made from woven activated carbon-fibre material based on evenly activated hydrate cellulose fibres and positioned in known capacitor with double electric layer. Resistance of material amounts to 3.4-23.3 Ohm/sq.m. 2.5M aqueous solution of sulfuric acid is used as electrolyte. EFFECT: invention makes it possible to manufacture capacitor with specific energy 30.0 J/cu.cm and current density 0.65 A/sq. cm. 2 cl, 1 tbl
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Authors
Dates
1996-02-20—Published
1993-04-17—Filed