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LiNi_(0.9)Co_(0.1)O_2材料的制备及其电化学性能研究
Preparation of LiNi_(0.9)Co_(0.1)O_2 material and study on its electrochemical performance

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LiNi_(0.9)Co_(0.1)O_2材料的制备....pdf (595.5Kb)
Date
2009
Author
王新
陈忠
廖代伟
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  • 航空航天-已发表论文 [2242]
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Abstract
成功采用掺杂和改变前驱体两种方式同时对传统lInIO2正极材料合成进行改进,即用掺杂10%WTCO的β-nIOOH作为前驱体,和lIOH·H2O在空气中进行固相烧结。通过正交方法优化出合成lInI0.9CO0.1O2的最佳烧结温度为600℃,烧结时间为24H;此条件下材料首次充放电效率高达86%,20次循环后可逆放电比容量为167MAH/g,容量保持率高达94%。
 
It is a success for using both doping and changing precursor to improve the traditional cathode material LiNiO2 which is using 10%wt Co doped in the β-NiOOH as the precursor, then solid- phase Sintering with LiOH·H2O in the air.By orthogonal methods we optimize the best sintering temperature is 600 ℃ and sintering time is 24 h for synthesis of the LiNi0.9Co0.1O2; Under these conditions, the first charge and discharge efficiency can be as high as 86%, discharge capacity is to be 167 mAh/g after 20 cycles reversible, and the capacity rates can maintain as high as 94%.
 
Citation
电池工业,2009,(2):42-46
URI
https://dspace.xmu.edu.cn/handle/2288/105075

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