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Preparation of tin nanocomposite as anode material by molten salts method and its application in lithium ion batteries

Authors

  • Mohd Faiz Hassan,

    Corresponding author
    1. Institute for Superconducting and Electronic Materials, University of Wollongong, Wollongong, NSW 2522, Australia
    2. Department of Science Physics, Faculty of Science, University Malaysia Terengganu, Kuala Terengganu 21030, Malaysia
    • Phone: +61 2 42981416, Fax: +61 2 42215731
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  • ZaiPing Guo,

    1. Institute for Superconducting and Electronic Materials, University of Wollongong, Wollongong, NSW 2522, Australia
    2. Faculty of Engineering, University of Wollongong, NSW 2522, Australia
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  • GuoDong Du,

    1. Institute for Superconducting and Electronic Materials, University of Wollongong, Wollongong, NSW 2522, Australia
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  • David Wexler,

    1. Faculty of Engineering, University of Wollongong, NSW 2522, Australia
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  • HuaKun Liu

    1. Institute for Superconducting and Electronic Materials, University of Wollongong, Wollongong, NSW 2522, Australia
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Abstract

A nanocomposite material (SnO2[BOND]Co3O4) has been synthesized as an anode material for lithium-ion batteries by the molten salt method. Characterization by X-ray diffraction (XRD) and transmission electron microscopy (TEM) showed that the composite has a small particle size. The electrochemical performance was examined, including the charge–discharge and cycling properties. The experimental results showed that the sample containing the highest amount of Co3O4 compound exhibited a specific capacity of 355 mAh g−1 after 40 cycles, with cycling at 70 mA g−1 (35.2% higher than for the sample containing a lower amount of Co3O4). It seems that increasing the amount of Co3O4 can give good capacity retention and high specific capacity.

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