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首页> 外文期刊>Science of advanced materials >Effect of Carbon Coating and Magnesium Doping on Electrochemical Properties of LiFePO4 for Lithium Ion Batteries
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Effect of Carbon Coating and Magnesium Doping on Electrochemical Properties of LiFePO4 for Lithium Ion Batteries

机译：碳涂层和镁掺杂对LiFePO4锂离子电池电化学性能的影响

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摘要

Li1-2xMgxFePO4 (x = 0, 0.03) composites were synthesized by a mechanical activation process. The effect of ball milling time, magnesium doping, and carbon coating on their properties was investigated. Carbon coating on the surface of the particles reduces the difference in the surface area between the undoped and the doped LiFePO4. Magnesium doping invigorates the electronic properties of the carbon coated LiFePO4 as reduced interfacial resistance and higher capacity were obtained after the magnesium doping. The composite with Mg doping and 5 wt.% carbon coating showed a high discharge capacity of 163.1 mAh/g with high cycle stability at 1 C-rate.
机译：通过机械活化过程合成了Li1-2xMgxFePO4（x = 0，0.03）复合材料。研究了球磨时间，镁掺杂和碳涂层对其性能的影响。颗粒表面的碳涂层减小了未掺杂和掺杂的LiFePO4之间的表面积差异。镁掺杂增强了碳包覆的LiFePO4的电子性能，因为镁掺杂后界面电阻降低，容量更高。具有Mg掺杂和5％碳涂层的复合材料显示出163.1 mAh / g的高放电容量，并在1 C速率下具有高循环稳定性。

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  • 来源
    《Science of advanced materials》 |2017年第7期|1266-1271|共6页
  • 作者

    Liu Ying; Manuel James; Zhao Xiaohui; Haridas Anupriya K.; Chauhan Ghanshyam S.; Kim Jae-Kwang; Cho Kwon-Koo; Ahn Hyo-Jun; Ahn Jou-Hyeon;

  • 作者单位

    Gyeongsang Natl Univ, Dept Chem Engn, Jinju 52828, South Korea|Gyeongsang Natl Univ, Res Inst Green Energy Convergence Technol, Jinju 52828, South Korea;

    Gyeongsang Natl Univ, Dept Chem Engn, Jinju 52828, South Korea|Gyeongsang Natl Univ, Res Inst Green Energy Convergence Technol, Jinju 52828, South Korea;

    Gyeongsang Natl Univ, Dept Chem Engn, Jinju 52828, South Korea|Gyeongsang Natl Univ, Res Inst Green Energy Convergence Technol, Jinju 52828, South Korea;

    Gyeongsang Natl Univ, Dept Mat Engn & Convergence Technol, Jinju 52828, South Korea|Gyeongsang Natl Univ, RIGET, Jinju 52828, South Korea;

    Himachal Pradesh Univ, Dept Chem, Shimla 171005, India;

    Cheongju Univ, Dept Solar & Energy Engn, Cheongju 28503, South Korea;

    Gyeongsang Natl Univ, Dept Mat Engn & Convergence Technol, Jinju 52828, South Korea|Gyeongsang Natl Univ, RIGET, Jinju 52828, South Korea;

    Gyeongsang Natl Univ, Dept Mat Engn & Convergence Technol, Jinju 52828, South Korea|Gyeongsang Natl Univ, RIGET, Jinju 52828, South Korea;

    Gyeongsang Natl Univ, Dept Chem Engn, Jinju 52828, South Korea|Gyeongsang Natl Univ, Res Inst Green Energy Convergence Technol, Jinju 52828, South Korea|Gyeongsang Natl Univ, Dept Mat Engn & Convergence Technol, Jinju 52828, South Korea|Gyeongsang Natl Univ, RIGET, Jinju 52828, South Korea;

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  • 正文语种 eng
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  • 关键词

    Carbon Coating; Magnesium Doping; Electrochemical Measurement; Lithium Ion Batteries;

    机译：碳涂层镁掺杂电化学测量锂离子电池;

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