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Advanced Materials

Renewing Functionalized Graphene as Electrodes for High-Performance Supercapacitors

Authors

  • Yan Fang,

    1. National Center for Nanoscience and Technology, Zhongguancun, Beiyitiao No.11, Beijing, 100190, P. R. China
    2. Laboratory of Advanced Materials, Department of Materials Science and Engineering, Tsinghua University, Beijing, 100084, P. R. China
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  • Bin Luo,

    1. National Center for Nanoscience and Technology, Zhongguancun, Beiyitiao No.11, Beijing, 100190, P. R. China
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  • Yuying Jia,

    1. National Center for Nanoscience and Technology, Zhongguancun, Beiyitiao No.11, Beijing, 100190, P. R. China
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  • Xianglong Li,

    1. National Center for Nanoscience and Technology, Zhongguancun, Beiyitiao No.11, Beijing, 100190, P. R. China
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  • Bin Wang,

    1. National Center for Nanoscience and Technology, Zhongguancun, Beiyitiao No.11, Beijing, 100190, P. R. China
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  • Qi Song,

    1. National Center for Nanoscience and Technology, Zhongguancun, Beiyitiao No.11, Beijing, 100190, P. R. China
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  • Feiyu Kang,

    Corresponding author
    1. Laboratory of Advanced Materials, Department of Materials Science and Engineering, Tsinghua University, Beijing, 100084, P. R. China
    • Laboratory of Advanced Materials, Department of Materials Science and Engineering, Tsinghua University, Beijing, 100084, P. R. China.
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  • Linjie Zhi

    Corresponding author
    1. National Center for Nanoscience and Technology, Zhongguancun, Beiyitiao No.11, Beijing, 100190, P. R. China
    2. School of Materials Science and Engineering, University of Shanghai for Science and Technology, Jungong Road 516, 200093, Shanghai, P. R. China
    • National Center for Nanoscience and Technology, Zhongguancun, Beiyitiao No.11, Beijing, 100190, P. R. China
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Abstract

An acid-assisted ultrarapid thermal strategy is developed for constructing specifically functionalized graphene. The electrochemical performance of functionalized graphene can be boosted via elaborate coupling between the pseudocapacitance and the electronic double layer capacitance through rationally tailoring the structure of graphene sheets. This presents an opportunity for developing further high-performance graphene-based electrodes to bridge the performance gap between traditional capacitors and batteries.

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