Electrode for use with double electric layer electrochemical...

H - Electricity – 01 – G

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H01G 9/058 (2006.01)

Patent

CA 2677888

The present invention relates to the production of electrochemical capacitors with a DEL. The proposed electrodes with DEL are based on non-metal conducting materials, including porous carbon materials, and are capable of providing for high specific energy, capacity and power parameters of electrochemical capacitors. P- type conductivity and high concentration of holes in electrode materials may be provided by thermal, ionic or electrochemical doping by acceptor impurities; irradiating by high-energy fast particles or quantums; or chemical, electrochemical and/or thermal treatment. The present invention allows for an increase in specific energy, capacity and power parameters, as well as a reduction in the cost of various electrochemical capacitors with DEL. The proposed electrodes with DEL can be used as positive and/or negative electrodes of symmetric and asymmetric electrochemical capacitors with aqueous and non-aqueous electrolytes.

L'invention concerne la production de condensateurs électrochimiques possédant une double couche électrique (DEL). Les électrodes pourvues de DEL sont constituées par des matériaux conducteurs non métalliques, y compris des matériaux carbonés poreux, et peuvent assurer aux condensateurs électrochimiques des paramètres de puissance, d'énergie et de capacité extrêmement spécifiques. La conductivité de type P et la concentration étroite de perçages dans les matériaux d'électrode peuvent être obtenues par dopage thermique, ionique ou électrochimique par des impuretés accepteurs; irradiation par des particules d'énergie très rapides ou des quantums; ou traitement chimique, électrochimique et/ou thermique. L'invention permet d'augmenter les paramètres spécifiques de puissance, de capacité et d'énergie, ainsi que de limiter les coûts de divers condensateurs électrochimiques à DEL. Les électrodes pourvues de DEL peuvent être utilisées en tant qu'électrodes positives et/ou négatives de condensateurs électrochimiques symétriques ou asymétriques à électrolytes aqueux et non aqueux.

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Sergey

В данном изобретении впервые исследуется комбинированные физические, электронные, электрохимические и другие свойства нанопористых углеродных материалов. Результаты данных исследований показывают, что можно изготовить новые электрохимические конденсаторы с очень высокими значениями удельной энергии и мощности.

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