介绍了废旧锂离子电池进行回收与资源化的意义、现状和研究进展,回顾了煅烧法、直接分离法、湿法冶金等回收工艺。系统地介绍了废旧锂离子电池回收制备可被再利用的锂钴氧正极材料技术,比较了各种方法在制备过程中的优缺点,并提出了废旧锂离子电池回收与资源化再生工艺存在的问题与发展方向。
Research status for the recycling and regeneration of spent Li-ion batteries are introduced,and the recovery methods are reviewed,including calcinations,direct recovery and hydrometallurgy.Techniqes for recycling and re-synthesis of LiCoO2 positive electrode materials from spent Li-ion batteries are systematically summarized.Merits and demerits in each preparation process are discussed,and the existing problems and prospects for the recovery of spent Li-ion batteries are proposed.