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首页> 外文期刊>Journal of nano research >Synthesis and Electrochemical Properties of Cu-doped LiMnPO_4/C Nanorods as Cathode Materials of Lithium-ion Batteries
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Synthesis and Electrochemical Properties of Cu-doped LiMnPO_4/C Nanorods as Cathode Materials of Lithium-ion Batteries

机译：锂离子电池正极材料Cu掺杂LiMnPO_4 / C纳米棒的合成及电化学性能

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摘要

LiCu_xMn_(1-x)PO_4/C nanorods are successfully prepared by a simple solvothermal process followed by calcination of the precursor LiCu_xMn_(1-x)PO_4 and sucrose. The effects of dopant and carbon coating on the physical and chemical characteristics of LiMnPO_4 are investigated. The results show that Cu successfully entered into the lattice of LiMnPO_4, and induced a decrease in the lattice parameters. A thin layer of carbon coating with an average thickness of 20 nm is formed on the surface of LiCu_xMn_(1-x)PO_4 particle. We also observe that the LiCu_xMn_(1-x)PO_4/C nanorods have higher electronic conductivity (5.5139×10~(-4)S cm~(-1)) and initial discharge capacity (87.5 mAh g~(-1) at 0.5C) compared with pristine LiMnPO_4. Based on the results above, the developed nanocomposites could have potential applications in lithium-ion batteries.
机译：LiCu_xMn_（1-x）PO_4 / C纳米棒通过简单的溶剂热法成功制备，然后煅烧了前体LiCu_xMn_（1-x）PO_4和蔗糖。研究了掺杂剂和碳涂层对LiMnPO_4物理化学特性的影响。结果表明，Cu成功地进入了LiMnPO_4的晶格，并导致晶格参数的降低。在LiCu_xMn_（1-x）PO_4颗粒的表面上形成平均厚度为20 nm的碳涂层薄层。我们还观察到LiCu_xMn_（1-x）PO_4 / C纳米棒具有更高的电导率（5.5139×10〜（-4）S cm〜（-1））和初始放电容量（87.5 mAh g〜（-1）） 0.5C）与原始LiMnPO_4进行比较。基于以上结果，开发的纳米复合材料可能在锂离子电池中具有潜在的应用。

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  • 来源
    《Journal of nano research》 |2013年第2013期|1-7|共7页
  • 作者

    Linfeng Yuan; Lanlan Ge; Yuhua Shen; Hui Zhang; Cuiping WANG; Anjian Xie;

  • 作者单位

    School of Physics and Materials Science, Anhui University, Hefei Anhui 230601, PR China;

    School of Chemistry and Chemical Engineering, Anhui University, Hefei Anhui 230601, PR China;

    School of Chemistry and Chemical Engineering, Anhui University, Hefei Anhui 230601, PR China;

    School of Physics and Materials Science, Anhui University, Hefei Anhui 230601, PR China;

    School of Physics and Materials Science, Anhui University, Hefei Anhui 230601, PR China;

    School of Physics and Materials Science, Anhui University, Hefei Anhui 230601, PR China;

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  • 正文语种 eng
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  • 关键词

    LiCu_xMn_(1-x)PO_4/C; nanorods; cathode materials; lithium-ion batteries;

    机译：LiCu_xMn_（1-x）PO_4 / C;纳米棒阴极材料;锂离子电池;

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