Al, B, and F doped LiNi1/3Co1/3Mn1/3O2 as cathode material of lithium-ion batteries

被引：0
作者：
Shangyun Ye
Yongyao Xia
Pingwei Zhang
Zhiyu Qiao
机构：
[1] University of Science and Technology,Department of Physical Chemistry
[2] Fudan University,Department of Chemistry
[3] Gejiu Superhoo Industries Limited Corporation,undefined
来源：
Journal of Solid State Electrochemistry | 2007年 / 11卷
关键词：
Lithium-ion battery; Cathode materials; Doping; Layered structure;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A series of the mixed transition metal compounds, Li[(Ni1/3Co1/3Mn1/3)1–x-yAlxBy]O2-zFz (x = 0, 0.02, y = 0, 0.02, z = 0, 0.02), were synthesized via coprecipitation followed by a high-temperature heat-treatment. XRD patterns revealed that this material has a typical α-NaFeO2 type layered structure with R3-m space group. Rietveld refinement explained that cation mixing within the Li(Ni1/3Co1/3Mn1/3)O2 could be absolutely diminished by Al-doping. Al, B and F doped compounds showed both improved physical and electrochemical properties, high tap-density, and delivered a reversible capacity of 190 mAh/g with excellent capacity retention even when the electrodes were cycled between 3.0 and 4.7 V.
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页码：805 / 810
页数：5
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