Graphites with a low degree of graphitization are more appropriate to prepare thin layer graphene with a high degree of defects and high specific capacitance.
Supercapacitors (SCs) have generated a great deal of interest regarding their prospects for application in energy storage due to their advantages such as long life cycles and high-power density. Graphene is an excellent electrode material for SCs due to its high electric conductivity and highly specific surface area. Conductive polymers (CPs) could potentially become the next-generation SC electrodes because of their low cost, facile synthesis methods, and high pseudocapacitance. Graphene/CP composites show conspicuous electrochemical performance when used as electrode materials for SCs. In this article, we present and summarize the synthesis and electrochemical performance of graphene/CP composites for SCs. Additionally, the method for synthesizing electrode materials for better electrochemical performance is discussed.
After the mechanochemical modification, sulfonated functional groups were able to be attached on the surface of SEG effectually, acted a significant role in the adsorption process, the schematic diagram of SEG interacted with Pb(ii) showing as below.
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