Recycling of LiCoO2 cathode materials from spent lithium ion batteries

被引：0
|
作者：
Tong, Dongge [1 ]
Lai, Qiongyu [1 ]
Ji, Xiaoyang [1 ]
机构：
[1] College of Chemistry, Sichuan University, Chengdu 610064, China
来源：
Huagong Xuebao/Journal of Chemical Industry and Engineering (China) | 2005年 / 56卷 / 10期
关键词：
Cathodes - Cobalt compounds - Electrolytes - Recycling - Secondary batteries;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The recycling of LiCoO2 cathode materials from spent lithium ion batteries was studied. A corresponding process was proposed. Propylene carbonate was used as the solvent to recycle electrolyte. NMP was used as the solvent to separate the active materials from current collectors at 70°C. Carbon powder was removed by heat-treatment. Cobalt compounds were dissolved by HCl solution and recycled as Co(OH)2. The recycled Co(OH)2 was used as the starting material to synthesize LiCoO2. The net recovery of cobalt was more than 99%. The analytical results of recycled LiCoO2 showed that the recycling process was practical.
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页码：1967 / 1970
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