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废旧手机电池回收制备 LiCoO2电极材料

Xian CHEN, Zhong-yang JIANG,Xu-hui CHEN,Hong-bo WANG, Wen-yang SUN

Guangzhou Chemical Industry(2014)

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Abstract
首次提出采用混合溶剂(N-甲基吡咯烷酮(NMP)和N,N-二甲基甲酰胺(DMF)(1:1)]回收废旧手机电池,制备LiCoO2电极材料的方法。结果表明:用有机混合溶剂较采用单一有机溶剂NMP或DMF的提取效率好。提取效率提高13.2%~21.1%。在上述混合溶剂中100℃浸提1 h,盐酸80℃浸取1 h,氢氧化钠溶液沉淀,沉淀物经马福炉高温(700℃)煅烧7 h即可制得具有较好电化学性能的LiCoO2,可用作手机电池的主要正极材料。
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