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Activated carbon material for high energy density ultracapacitor
Activated carbon material for high energy density ultracapacitor
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机译:高能量密度超级电容器用活性炭材料
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摘要
An activated carbon material derived, for example, by carbonizing and activating a non-lignocellulosic carbon precursor has a structural order ratio less than or equal to 0.08, and a nitrogen content greater than 0.2 wt. %. The activated carbon material can also have a volumetric capacitance greater than or equal to 70 F/cm3, an area-specific resistance less than or equal to 0.1 ohm-cm2 and/or a specific surface area greater than 300 m2/g, and is suitable to form improved carbon-based electrodes for use in high energy density devices.
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机译:例如通过碳化和活化非木质纤维素碳前体而获得的活性炭材料具有小于或等于0.08的结构级比,并且氮含量大于0.2wt。%。 %。活性炭材料还可具有大于或等于70 F / cm3的体积电容,小于或等于0.1 ohm-cm2的面积比电阻和/或大于300 m2 / g的比表面积,并且适用于形成改进的碳基电极,用于高能量密度设备。
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