Electrochemical capacitor
First Claim
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1. An electrochemical capacitor comprised of at least one pair of electrodes, said electrodes consisting of glass carbon which has been activated by contact with concentrated sulfuric acid at a temperature of up to about 330°
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Abstract
The invention relates to an electrochemical capacitor with electrodes of activated carbon. Such a capacitor is to be improved in the sense that the electrodes are mechanically stable and also exhibit a large capacity per unit of area. To this end, the invention provides electrodes which consist of glass carbon activated in concentrated sulfuric acid at temperatures of up to about 330° C. The electrochemical capacitor according to the invention is suitable for use in electric circuits.
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Citations
1 Claim
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1. An electrochemical capacitor comprised of at least one pair of electrodes, said electrodes consisting of glass carbon which has been activated by contact with concentrated sulfuric acid at a temperature of up to about 330°
- C.
Specification
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Current AssigneeSiemens AG
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Original AssigneeSiemens AG
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InventorsMund, Konrad, Richter, Gerhard, Weidlich, Erhard
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Primary Examiner(s)James, Andrew J.
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Application NumberUS06/077,623Time in Patent Office1,012 DaysField of Search361/433, 429/161, 29/570US Class Current361/500CPC Class CodesH01G 11/34 characterised by carbonisat...Y02E 60/13 Energy storage using capaci...
