Synthesis and characterization of the gradient composite LiNi0.8Co0.2O2

被引:0
|
作者
Liu, XY [1 ]
Xia, DG [1 ]
Zhao, YJ [1 ]
机构
[1] Beijing Univ Technol, Coll Environm & Energy Engn, Beijing 100022, Peoples R China
关键词
sol-gel; LiNi0.8Co0.2O2; gradient coniposite;
D O I
暂无
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The gradient composite LiNi0.8Co0.2O2 was synthesized using spherical Ni(OH)(2) particle coated by a sol-gel containing cobalt and lithium. The precursor was examined by DSC-TG. The gradient composite was characterized by SEM, EDS, XPS, XRD and ICP-AES. The XPS, EDS and ICP-AES results show that content of cobalt in the surface is higher than in the center of the spherical particle of the gradient composite. The first discharge specific capacity of the gradient composite sintered at 700 degrees C is 187.3 mAh center dot g(-1).
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页码:321 / 325
页数:5
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