Zhao Siqi, Quan Jiawei, Wang Tianya, Song Duanmei, Huang Juwen, He Wenzhi, Li Guangming
College of Environmental Science and Engineering, Tongji University, Mingjing Building, 1239 Siping Road, Yangpu District, Shanghai, 200092, People's Republic of China.
Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, People's Republic of China.
Environ Sci Pollut Res Int. 2022 Feb;29(7):9448-9461. doi: 10.1007/s11356-021-17814-7. Epub 2021 Dec 2.
The recycling of spent lithium-ion batteries (LIBs) is both essential to sustainable resource utilization and environmental conservation. While spent batteries possess a resource value, they pose an environmental hazard at the same time. Since the start of development to recycle spent LIBs in 1990s, important contributions have been made and a number of achievements have been accomplished by scholars globally. Therefore, it is valuable to summarize the developments on spent LIB recycling and to analyze the characteristics and trends comprehensively. A review of the progress in this field will provide guidance for future development. In this study, recycling characteristics and developing trends including the research foundation, milestone, research hotspot, key technologies, and emerging trends were identified based on visual scientometric analysis followed by a discussion on future research directions in this area. For the analysis, 1041 publications in English were collected, summarized, and categorized. The distribution of scientific publications on spent LIB recycling from 1995 to 2020 displayed an increasing trend in numbers. China made the biggest contribution with 528 publications and basically cooperated with all other countries. The research fields with the highest contributions were "engineering", "chemistry", and "environmental science and technology". The keywords recovery, lithium ion battery, and cobalt appeared in high frequency. "Metal value" was identified as the most frequently used keyword which began to burst in 2005 and ended in 2013.
废旧锂离子电池（LIBs）的回收利用对于可持续资源利用和环境保护都至关重要。虽然废旧电池具有资源价值，但同时也对环境构成危害。自20世纪90年代开始开展废旧LIBs回收利用的研发工作以来，全球学者已经做出了重要贡献并取得了许多成果。因此，总结废旧LIBs回收利用的发展情况并全面分析其特点和趋势具有重要价值。对该领域进展的综述将为未来发展提供指导。在本研究中，基于可视化科学计量分析确定了回收利用的特点和发展趋势，包括研究基础、里程碑、研究热点、关键技术和新兴趋势，随后对该领域未来的研究方向进行了讨论。为了进行分析，收集、总结并分类了1041篇英文出版物。1995年至2020年关于废旧LIBs回收利用的科学出版物数量呈上升趋势。中国贡献最大，有528篇出版物，并且基本上与所有其他国家都有合作。贡献最高的研究领域是“工程学”、“化学”和“环境科学与技术”。“回收”、“锂离子电池”和“钴”等关键词出现频率较高。“金属价值”被确定为最常用的关键词，其出现频率在2005年开始激增，并在2013年结束。
