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- 저자 : Yanjun Xing (검색결과 1 건)
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Cheng Gui,Yike Zhang,Rui Jin,Yang Song,Rong Li,Yanjun Xing 한국섬유공학회 2021 Fibers and polymers Vol.22 No.4
Most previous work on the preparation of electrode materials has usually used to grind carbon nanofibers and addnon-reactive binders, which lead to limited surface area and lower electrochemical performance in electrode materials. In thisstudy, porous carbon nanofibers were prepared from non-miscible PAN/PVDF polymer blends by electrospinning andcarbonization to obtain electrode materials with high performance and high specific surface area. In the process of preparingelectrode materials, carbon nanofibers can be directly prepared as electrodes with high-performance and flexibility withoutadding any inactive materials, such as polymer binders or electronic conductors. Results showed that PF-C-50 has themaximum specific surface area of 773 m2 g-1 and the specific capacitance as high as 181 F/g at the current density of 0.4 A/gand 134 F/g at the current density of 1 A/g. PF-C-80 exhibits a specific capacitance as high as 156 F/g at the current densityof 0.4 A/g and 117 F/g at the current density of 1 A/g with the smallest IR drop and Rct. The prepared porous carbonnanofiber electrode improves the electrochemical performance and flexibility of the electrode material. These uniquestructures and characteristic materials can be excellent candidates for high-performance flexible electrodes, laying a goodfoundation for wearable devices.
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