仇卫华, 林传刚, 李智敏, 路中琴, 胡环宇, 洪佳玲. Ni/Co比例对LiCoxNi1-xO2电化学性能的影响[J]. 工程科学学报, 2002, 24(5): 529-532. DOI: 10.13374/j.issn1001-053x.2002.05.012
引用本文: 仇卫华, 林传刚, 李智敏, 路中琴, 胡环宇, 洪佳玲. Ni/Co比例对LiCoxNi1-xO2电化学性能的影响[J]. 工程科学学报, 2002, 24(5): 529-532. DOI: 10.13374/j.issn1001-053x.2002.05.012
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CHOU Weihua, LIN Chuangang, LI Zhimin, LU Zhongqin, HU Huanyu, HONG Jialing. Influence of Ni/Co Ratio for LiCoxNi1-xO2 on Electrochemical Performance[J]. Chinese Journal of Engineering, 2002, 24(5): 529-532. DOI: 10.13374/j.issn1001-053x.2002.05.012
Citation: CHOU Weihua, LIN Chuangang, LI Zhimin, LU Zhongqin, HU Huanyu, HONG Jialing. Influence of Ni/Co Ratio for LiCoxNi1-xO2 on Electrochemical Performance[J]. Chinese Journal of Engineering, 2002, 24(5): 529-532. DOI: 10.13374/j.issn1001-053x.2002.05.012
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Ni/Co比例对LiCoxNi1-xO2电化学性能的影响

Influence of Ni/Co Ratio for LiCoxNi1-xO2 on Electrochemical Performance

    摘要
  • 摘要: 采用固相反应法合成了一系列LiCoxNi1-xO2（0≤x≤1）材料,用XRD和电化学实验方法研究了Co3+取代Ni3+对LiNiO2材料电化学性能的影响.结果表明,当Ni/Co比例为8:2时材料具有最好电化学性能,比容量可以达到170～180mAh/g,并且具有好的抗过充性能.

     

    Abstract: A series of LiNi1-xCoxO2 (0<x< 1) were synthesized by solid state reaction. The effect of Co3+ substitution on Ni3+ content was investigated by XRD and electrochemical techniques. It is shown that LiNi0.8C0.2O2 has the best electrochemical performance, delivering specific capacities of 170-180 mAh/g and good over-charge resistance compared with LiNiO2.

     

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