随着锂离子电池需求的不断增长,尤其是电动交通行业,大量锂离子电池将会在未来几年因寿命和更新换代等问题而退役。废旧锂离子电池如果处理不当,就会造成环境污染和资源浪费等严重后果。因此,废旧锂离子电池的回收利用越来越受到研究学者的关注。系统介绍了废旧锂离子电池综合回收最新进展,主要有预处理、浸出、分离提纯等工艺。针对各个工艺的具体原理、研究现状、优缺点进行了详细评述。最后,对废旧锂离子电池综合回收的发展前景进行了展望。
With the growing demand for lithium-ion batteries,especially in the electric transportation industry,a large number of lithium-ion batteries will be retired in the next few years.If the waste lithium-ion batteries are not handled properly,they will cause serious consequences such as environmental pollution and resource waste.Therefore,the recovery and utilization of waste lithium-ion batteries have attracted more and more attention of researchers.This paper systematically introduced the latest progress in the comprehensive recovery of waste lithium-ion batteries,mainly including pretreatment,leaching,separation and purification.The specific principle,research status,advantages and disadvantages of each process were reviewed in detail.Finally,the development prospect of comprehensive recovery of waste lithium-ion batteries was discussed.
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基金资助
国家自然科学基金(51764023)
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