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Facile Micro Templating LiFePO4 Electrodes for High Performance Li-Ion Batteries

Authors

  • Deepak P. Singh,

    1. Fundamental Aspects of Materials and Energy, Department of Radiation, Radionuclides & Reactors, Delft University of Technology, Mekelweg 15, Delft 2628VE, the Netherlands
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  • Fokko M. Mulder,

    Corresponding author
    1. Fundamental Aspects of Materials and Energy, Department of Radiation, Radionuclides & Reactors, Delft University of Technology, Mekelweg 15, Delft 2628VE, the Netherlands
    • Fundamental Aspects of Materials and Energy, Department of Radiation, Radionuclides & Reactors, Delft University of Technology, Mekelweg 15, Delft 2628VE, the Netherlands.
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  • Amr M. Abdelkader,

    1. Materials Science Centre, University of Manchester, Grosvenor Street, Manchester M1 7HS, UK
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  • Marnix Wagemaker

    Corresponding author
    1. Fundamental Aspects of Materials and Energy, Department of Radiation, Radionuclides & Reactors, Delft University of Technology, Mekelweg 15, Delft 2628VE, the Netherlands
    • Fundamental Aspects of Materials and Energy, Department of Radiation, Radionuclides & Reactors, Delft University of Technology, Mekelweg 15, Delft 2628VE, the Netherlands.
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Abstract

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The conflicting demands on Li-ion electrodes, combining high ionic conductivity with high electrode density, are achieved by hydrogen carbonate salt templates creating 3D highly interconnected ionic pathways. Demonstrated for carbon coated LiFePO4, this exceptionally simple and cheap templating method results in electrodes with excellent high rate capacity retention, combined with very high electrode densities reaching ∼2 g cm−3.

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