摘要
针对LiNixCoyMn1-x-yO2、LiFePO4、LiMn2O4、LiCoO2 4 大类锂离子电池正极材料中的目标金属的回收研究现状进行了详细阐述.首先是处理流程的难易程度直接关系到回收成本和效率;其次对不同回收工艺中目标金属的提取以及对环境的影响等进行了全面分析;最后对比了不同回收工艺的优缺点,发现每种工艺都有其独特的适用场景和局限性.未来要实现退役锂离子电池的高效、环保处理,需要整合各种工艺的优点,创新回收技术.
Abstract
A detailed overview is presented for the current research status on the recovery of target metals from four major types of lithium-ion battery cathode materials,including LiNixCoyMn1-x-yO2,LiFePO4,LiMn2O4,and LiCoO2.Firstly,the difficulty of the treatment process is directly related to the cost and efficiency of recycling.Secondly,as for different recycling processes,the extraction of the target metals and the impact on the environment are comprehensively analyzed from multiple perspectives.Finally,through comparing the advantages and disadvantages of different recycling processes,it can be found that each process has its own unique application scenarios and limitations.Therefore,in order to achieve efficient and environmentally friendly treatment of decommissioned LIBs in the future,it is necessary to integrate the advantages of various processes and innovate recycling technologies.
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