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Co_3O_4对LiCoO_2电化学性能的影响 被引量：1

Influence of Co_3O_4 on the electrochemical performance of LiCoO_2
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摘要 由Li2CO3和不同工艺制备的Co3O4为原料,合成了LiCoO2。XRD测试表明:不同Co3O4制备的LiCoO2的晶胞参数a和c值不同。电化学性能测试表明:比表面积大的Co3O4合成的LiCoO2具有更高的首次放电比容量,微晶尺寸大的Co3O4合成的LiCoO2具有更好的循环性能。 LiCoO2 cathode materials were synthesized with Li2CO3 and different Co3O4 as raw materials, in which Co3O4 was prepared by various processes. XRD test showed that the values of the lattice parameters a and c of LiCoO2 prepared with different Co3O4 as raw materials were different. The electrochemical performance tests indicated that LiCoO2 synthesized by Co3O4 with bigger specific surface area, and the one synthesized by Co3O4 with bigger dimension of micro crystal, had higher initial discharge specific capacity and better cycling stability, respectively.
作者 胡国荣 石迪辉 张新龙 刘智敏 方正升
机构地区 中南大学冶金科学与工程学院
出处 《电池》 CAS CSCD 北大核心 2006年第4期286-287,共2页 Battery Bimonthly
关键词 锂离子电池 CO3O4 LICOO2 R因数 Li-ion battery Co3O4 LiCoO2 R-factor
分类号 TM912.9 [电气工程—电力电子与电力传动]
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参考文献3

  • 1QIAN Yi-tai(钱逸泰).结晶化学导论[M].Beijing(北京):Chinese Scientific-Technology Press(中国科学技术出版社):1988.146-149.
  • 2谭显艳,胡国荣,高旭光,禹筱元.正极材料LiNi_(1/3)Co_(1/3)Mn_(1/3)O_2的研究进展[J].电池,2005,35(4):315-316. 被引量：5
  • 3Mladenov M,Stoyanova R,Zhecheva E,et al.Effect of Mg doping and MgO-surface modification on the cycling stability of LiCoO2 electrodes[J].Electrochem Commun,2001,3(8):410-416.

二级参考文献13

  • 1Patoux S, Doeff M M. Direct synthesis of LiNi1/3Co1/3Mn1/3O2 from nitrate precursors[J]. Electrochem Commun, 2004, 6(8):767- 772.
  • 2Kim G H, Myung S T, Bang H J, et al. Synthesis and electrochemical properties of Li[ Ni1/3 Co1/3 Mn(1/3-x) Mg2-yFy via coprecipitation [ J] . Electrochemical and Solid-State Letters,2004, 7(12) : A477 - A480.
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电池
2006年 第4期

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