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Monodisperse Iron Phosphate Nanospheres: Preparation and Application in Energy Storage

Authors

  • Junmei Zhao,

    Corresponding author
    1. Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190 (PR China)
    • Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190 (PR China)
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  • Zelang Jian,

    1. Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190 (PR China)
    2. School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070 (PR China)
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  • Jie Ma,

    1. Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190 (PR China)
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  • Fuchun Wang,

    1. Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190 (PR China)
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  • Yong-Sheng Hu,

    Corresponding author
    1. Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190 (PR China)
    • Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190 (PR China)
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  • Wen Chen,

    1. School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070 (PR China)
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  • Liquan Chen,

    1. Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190 (PR China)
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  • Huizhou Liu,

    Corresponding author
    1. Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190 (PR China)
    • Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190 (PR China)
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  • Sheng Dai

    1. Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831 (USA)
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Abstract

An approach to synthesize monodisperse nanospheres with nanoporous structure through a solvent extraction route using an acid–base-coupled extractant has been developed. The nanospheres form through self-assembly and templating by reverse micelles in the organic solvent extraction systems. More importantly, the used extractant in this route can be recycled. The power of this approach is demonstrated by the synthesis of monodisperse iron phosphate nanospheres, exhibiting promising applications in energy storage. The synthetic parameters have been optimized. Based on this, a possible formation mechanism is also proposed. The synthetic procedure is relatively simple and could be extended to synthesize other water-insoluble inorganic metal salts.

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