废旧三元动力锂离子电池正极材料回收的研究进展  

Review on Recycling Cathode Materials of Spent Ternary Power Lithium-ion Batteries

作　　者：郝涛 张英杰[1] 董鹏[1] 梁风[1] 段建国 孟奇[1] 许斌 HAO Tao;ZHANG Ying-jie;DONG Peng;LIANG Feng;DUAN Jian-guo;MENG Qi;XU Bin(Key Laboratory of Advanced Battery Materials of Yunnan Province,National and Local Joint Engineering Laboratory for Lithium-ion Batteries and Materials Preparation Technology,Faculty of Metallurgical and Energy Engineering,Kunming University of Science and Technology,Kunming 650093,China)

机构地区：[1]昆明理工大学冶金与能源工程学院,锂离子电池及材料制备技术国家地方联合工程实验室,云南省先进电池材料重点实验室,昆明650093

出　　处：《硅酸盐通报》2018年第8期2450-2456,共7页Bulletin of the Chinese Ceramic Society

基　　金：国家自然科学基金(51764029);云南省自然科学基金(2018FB087).

摘　　要：锂离子电池以具有比容量高、自放电小、寿命长等优点可广泛应用于移动电子产品、新能源汽车、储能、军事等领域,其中,三元动力锂离子电池需求量与产量逐年增加,这势必带来废旧三元动力锂电池的爆发式产生。废旧三元动力锂离子电池含有丰富有价金属资源,同时会污染环境,为此,废旧三元动力锂离子电池的回收具有资源、经济和社会等多重效益。本文概述了废旧三元动力锂离子电池正极材料的回收研究现状,主要包括预处理、浸出、深处理等过程,并对比介绍了各过程中主要方法及其优缺点,现阶段的研究重点在于有价金属离子的分离和正极材料的再合成,最后,展望了废旧三元动力锂离子电池正极材料的回收应朝着工艺简单、低成本、绿色环保的方向发展。Lithium-ion batteries are widely used in portable electronic products,new energy vehicles,energy storage,military and other fields,because of high specific energy,low self-discharge rate and good cycle life.A large number of spent ternary power lithium-ion batteries was produced with output and demand of the ternary power lithium-ion batteries increasing.Spent ternary power lithium-ion batteries contain rich valuable metal resources,which pollute the environment.It is of great significance for the resources,economy and society to recycle spent ternary power lithium-ion batteries.This paper summarizes the recycling technologies of spent ternary power lithium-ion batteries cathode materials,which include pretreatment,leaching,further treatment.The advantages and disadvantages of main method used in these process are compared.Current research focus on separation of valuable metal ions and regeneration of ternary cathode materials.Finally,the research should be towards simple,low-cost,green recycling processes in the future.

关 键 词：废旧锂离子电池 正极材料 浸出 分离 再合成 

分 类 号：TM912[电气工程—电力电子与电力传动]