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Review of Graphene Supercapacitors and Different Modified Graphene Electrodes

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Document pages: 15 pages

Abstract: Faced with the exhaustion of traditional energy sources, the developmentof new energy devices is the current priority. Supercapacitor is a new type of energy storage device with high power density and long cycle life. Carbon material, metal oxide and conductive polymer are three commonelectrode materials of supercapacitors. Based on China’s energy situation, thispaper puts forward new ideas from coal to graphene to supercapacitors. In addition, the research progress of graphenesupercapacitors is summarized, including the principle of supercapacitors,preparation methods from coal to graphene, graphene electrode materials anddifferent modification, and some possible scientific problems in the researchprocess of different modified graphene electrodes are also reviewed andprospected.

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