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Graphene-Encapsulated Si on Ultrathin-Graphite Foam as Anode for High Capacity Lithium-Ion Batteries

Authors

  • Junyi Ji,

    1. Department of Mechanical Engineering and the Materials Science and Engineering Program, The University of Texas at Austin, 1 University Station C2200, Austin, Texas 78712, United States
    2. School of Chemical Engineering & Technology, Tianjin University, Tianjin 300072, China
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  • Hengxing Ji,

    Corresponding author
    1. Department of Mechanical Engineering and the Materials Science and Engineering Program, The University of Texas at Austin, 1 University Station C2200, Austin, Texas 78712, United States
    • Department of Mechanical Engineering and the Materials Science and Engineering Program, The University of Texas at Austin, 1 University Station C2200, Austin, Texas 78712, United States.===

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  • Li Li Zhang,

    1. Department of Mechanical Engineering and the Materials Science and Engineering Program, The University of Texas at Austin, 1 University Station C2200, Austin, Texas 78712, United States
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  • Xin Zhao,

    1. Department of Mechanical Engineering and the Materials Science and Engineering Program, The University of Texas at Austin, 1 University Station C2200, Austin, Texas 78712, United States
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  • Xin Bai,

    1. Department of Mechanical Engineering and the Materials Science and Engineering Program, The University of Texas at Austin, 1 University Station C2200, Austin, Texas 78712, United States
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  • Xiaobin Fan,

    1. School of Chemical Engineering & Technology, Tianjin University, Tianjin 300072, China
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  • Fengbao Zhang,

    1. School of Chemical Engineering & Technology, Tianjin University, Tianjin 300072, China
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  • Rodney S. Ruoff

    Corresponding author
    1. Department of Mechanical Engineering and the Materials Science and Engineering Program, The University of Texas at Austin, 1 University Station C2200, Austin, Texas 78712, United States
    • Department of Mechanical Engineering and the Materials Science and Engineering Program, The University of Texas at Austin, 1 University Station C2200, Austin, Texas 78712, United States.===

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Abstract

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A Si/graphene composite is drop-casted on an ultrathin-graphite foam (UGF) with three dimensional conductive network. The Si/graphene/UGF composite presents excellent stability and relatively high overall capacity when tested as an anode for rechargeable lithium ion batteries.

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