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Three-Dimensional (3D) Bicontinuous Au/Amorphous-Ge Thin Films as Fast and High-Capacity Anodes for Lithium-Ion Batteries

Authors

  • Yan Yu,

    Corresponding author
    1. Department of Materials Science and Engineering, University of Science and Technology of China, Jinzhai Rd. 96#, Hefei, 230026 Anhui, P.R. China
    • Department of Materials Science and Engineering, University of Science and Technology of China, Jinzhai Rd. 96#, Hefei, 230026 Anhui, P.R. China
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  • Chenglin Yan,

    Corresponding author
    1. Max Planck Institute of Microstructure Physics, Weinberg 2, 06120 Halle, Germany
    2. Institute for Integrative Nanosciences, IFW Dresden, Helmholtzstrasse 20, Dresden 01069, Germany
    • Max Planck Institute of Microstructure Physics, Weinberg 2, 06120 Halle, Germany
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  • Lin Gu,

    Corresponding author
    1. Beijing National Laboratory for Condensed Matter Physics, The Institute of Physics, Chinese Academy of Sciences, Beijing 100190, P.R. China
    • Beijing National Laboratory for Condensed Matter Physics, The Institute of Physics, Chinese Academy of Sciences, Beijing 100190, P.R. China.
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  • Xingyou Lang,

    1. WPI Advanced Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
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  • Kun Tang,

    1. Max Planck Institute for Solid State Research, Heisenbergstrasse 1, 70569 Stuttgart, Germany
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  • Ling Zhang,

    1. WPI Advanced Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
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  • Ying Hou,

    1. WPI Advanced Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
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  • Zhifeng Wang,

    1. Beijing National Laboratory for Condensed Matter Physics, The Institute of Physics, Chinese Academy of Sciences, Beijing 100190, P.R. China
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  • Ming Wei Chen,

    1. WPI Advanced Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
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  • Oliver G. Schmidt,

    1. Institute for Integrative Nanosciences, IFW Dresden, Helmholtzstrasse 20, Dresden 01069, Germany
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  • Joachim Maier

    1. Max Planck Institute for Solid State Research, Heisenbergstrasse 1, 70569 Stuttgart, Germany
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Abstract

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Three-dimensional (3D) Bicontinuous Au/amorphous-Ge thin-film anode for Li-ion batteries is prepared by thermal evaporation. The nanoporous Au acts as a volume buffer cushion. It also provides good electronic/ionic conductivities, enhancing the rate capability of the Au-Ge anode.

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