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和大家分享一篇超級電容器方面的英文資料
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關(guān)于超級電容器電極方面的資料,不知道以前有人發(fā)過沒~ 《Nanocomposite Electrodes for High-Performance Supercapacitors》 |
電化學(xué) |
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ABSTRACT: We report a new class of nanocomposite electrodes for the development of high-performance supercapacitors with environmentally friendly ionic liquid electrolytes. Having the high-surface-area activated carbons, carbon nanotubes, and ionic liquids as integrated constituent components, the resultant composites show significantly improved charge storage and delivery capabilities.In an ionic liquid electrolyte, the composites possess a superior capacitance (188F/g) over a pure carbon nanotube electrode (20 F/g) and a conventional activated carbon electrode (90 F/g). On the basis of these nanocomposite electrodes and an ionic liquid electrolyte, we have further developed prototype supercapacitors with a high cell voltage (4 V) and superior energy and power densities (50 Wh/kg and 22 kW/kg, respectively, in terms of the mass of the active electrode material). The nanocomposite supercapacitors developed in the present study clearly outperform the current supercapacitor technology, providing a new approach in fabricating advanced supercapacitors with a highperformance, inherently safe operation and long lifetime. |
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