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Facile Micro Templating LiFePO_4 Electrodes for High Performance Li-Ion Batteries

机译：适用于高性能锂离子电池的微型微模板化LiFePO_4电极

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摘要

To enhance the power density of Li-ion battery electrodes without compromising the electrode (volumetric) density, a simple and cost effective templating technique was developed using hydrogen carbonate salts. The solid templating material makes compaction for good electronic contact possible while upon subsequent removal these salts and the gas released create a three-dimensional (3D) interconnected network with only slight increase of electrode porosity. Application to commercially available carbon coated LiFePO_4 (crystallite size -140 nm) results in 35% charge capacity retention at 60 C with electrode densities close to 2 g cm~(-3).
机译：为了提高锂离子电池电极的功率密度而不损害电极（体积）密度，人们开发了一种使用碳酸氢盐的简单且经济高效的模板技术。固体模板材料使压实获得良好的电子接触成为可能，而在随后去除这些盐和释放的气体后，它们形成的三维（3D）互连网络几乎没有增加电极孔隙率。应用于可商购的碳涂覆的LiFePO_4（微晶尺寸为-140 nm）可在60 C下保持35％的电荷容量，电极密度接近2 g cm〜（-3）。

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  • 来源
    《Advanced energy materials》 |2013年第5期|572-578|共7页
  • 作者

    Deepak P. Singh; Fokko M. Mulder; Amr M. Abdelkader; Marnix Wagemaker;

  • 作者单位

    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;

    Materials Science Centre University of Manchester Grosvenor Street, Manchester M1 7HS, UK;

    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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