Recycling of spent lithium-ion batteries in view of graphite recovery: A review

IF 15 1区 工程技术 Q1 ENERGY & FUELS Etransportation Pub Date : 2024-02-23 DOI:10.1016/j.etran.2024.100320
Zhen Shang , Wenhao Yu , Jiahui Zhou , Xia Zhou , Zhiyuan Zeng , Rabigul Tursun , Xuegang Liu , Shengming Xu
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Abstract

Given the exponential increase in the number of lithium-ion batteries (LIBs) used in electric cars and the sizeable quantity of waste produced at the end of their lifespans, efficient recycling of used lithium-ion batteries offers tremendous promise for practical application. While considerable efforts have been devoted to the recycling of cathode materials and other valuable components in spent lithium-ion batteries, sufficient attention has not been directed towards the spent anode graphite. Given the risks associated with limited resource supply and environmental pressure, the regeneration of spent graphite anodes from electric vehicle batteries has become a critical issue. As a preferred option, the direct regeneration strategy has been innovatively proposed to recover targeted graphite materials. To better comprehend this topic, three types of graphite are highlighted and categorized based on the source of the LIBs. Their special features, advantages, and challenges are also summarized and evaluated. More significantly, it is anticipated that the outcomes of this work could emphasize the importance of graphite recycling in the overall recycling of the spent lithium-ion battery industry.

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从石墨回收角度看废锂离子电池的再循环:综述
鉴于电动汽车中使用的锂离子电池(LIB)数量呈指数级增长,且在其使用寿命结束时会产生大量废弃物,因此对废旧锂离子电池进行高效回收利用具有巨大的实际应用前景。虽然人们在回收废旧锂离子电池中的正极材料和其他有价值的成分方面做出了巨大努力,但对废旧负极石墨的关注还不够。鉴于有限的资源供应和环境压力所带来的风险,电动汽车电池废石墨负极的再生已成为一个关键问题。作为首选方案,人们创新性地提出了直接再生战略,以回收目标石墨材料。为了更好地理解这一主题,本文重点介绍了三种类型的石墨,并根据 LIB 的来源进行了分类。此外,还对它们的特点、优势和挑战进行了总结和评估。更重要的是,预计这项工作的成果将强调石墨回收在废锂离子电池行业整体回收中的重要性。
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来源期刊
Etransportation
Etransportation Engineering-Automotive Engineering
CiteScore
19.80
自引率
12.60%
发文量
57
审稿时长
39 days
期刊介绍: eTransportation is a scholarly journal that aims to advance knowledge in the field of electric transportation. It focuses on all modes of transportation that utilize electricity as their primary source of energy, including electric vehicles, trains, ships, and aircraft. The journal covers all stages of research, development, and testing of new technologies, systems, and devices related to electrical transportation. The journal welcomes the use of simulation and analysis tools at the system, transport, or device level. Its primary emphasis is on the study of the electrical and electronic aspects of transportation systems. However, it also considers research on mechanical parts or subsystems of vehicles if there is a clear interaction with electrical or electronic equipment. Please note that this journal excludes other aspects such as sociological, political, regulatory, or environmental factors from its scope.
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