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- W4306408385 abstract "Porous carbon nanofibers (PCNFs) have been the hotpot material for supercapacitor due to their porous structure, outstanding conductivity, excellent electrochemical properties, and high specific surface area. The template method is a facile approach to prepare PCNFs through blending a thermally decomposable substance, subsequently heating treatment. High amylose starch (HAS) is a natural carbohydrate including carbon, hydrogen and oxygen elements. Herein, a simple template method utilizing HAS as the sacrificial polymer to prepare porous carbon nanofibers with high specific surface areas has been reported. The resulted carbon nanofibers have a hierarchical micro/meso porous structure with high level of microporous pores, more importantly, their specific surface area can reach 1204 m2 g−1. The electrochemical performances of PCNFs electrodes are studied using a three-electrode system and button-type devices. The specific capacitance of carbon nanofiber electrode is 344 F g−1 at 1.0 A g−1 when 20 wt% HAS is added. The cycling durability of corresponding device is 99.9% capacitance retention after 10000 cycles. And the maximum energy density of 12 Wh kg−1 is obtained at a lower power density of 125 W kg−1. As a green natural material, HAS may provide a low-cost solution to prepare high-performance carbon nanofibers for energy storage applications." @default.
- W4306408385 created "2022-10-17" @default.
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- W4306408385 date "2023-01-01" @default.
- W4306408385 modified "2023-10-11" @default.
- W4306408385 title "High-porosity carbon nanofibers prepared from polyacrylonitrile blended with amylose starch for application in supercapacitors" @default.
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- W4306408385 doi "https://doi.org/10.1016/j.matchemphys.2022.126896" @default.
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