期刊论文

Wan, Caichao;Wu, YQ

英文

iScience

2589-0042

2023

26

2

105964

10.1016/j.isci.2023.105964

This study was supported by the National Natural Science Foundation of China (grant nos. 31890771 and 31901249 ), Hunan Provincial Technical Innovation Platform and Talent Program in Science and Technology (grant no. 2020RC3041 ), Hunan Provincial Innovation Foundation for Postgraduate (grant no. CX20210842 ), Training Program for Excellent Young Innovators of Changsha (grant no. kq2106056 ), and Hunan Provincial Natural Science Foundation of China (grant no. 2022JJ30079 ).

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Traditional electrode materials still face vital challenges of few active sites, low porosity, complex synthesis process, and low specific capacitance. Herein, N-doped and 3D hierarchical porous graphene nanofoam (N-GNF) is created on carbon fibers (CFs) by employing a facile, fast, and environmentally friendly strategy of N2 plasma activation. After an appropriated N2 plasma activation, the graphene nanosheets (GNSs) synthesized by Ar/CH4 plasma deposition transform into N-GNF successfully. N doping donates rich active sites and increases the ...