Gate-to-gate life cycle assessment of lithium-ion battery recycling pre-treatment

IF 6.1 Q2 ENGINEERING, ENVIRONMENTAL
Anna Pražanová , Michael Fridrich , Jan Weinzettel , Vaclav Knap
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引用次数: 0

Abstract

Recycling spent lithium-ion batteries (LIBs) is critical for enhancing environmental sustainability and resource conservation; however, the environmental and energy impacts of LIB recycling are not yet comprehensively understood due to the diverse applications of LIB cells and the variability in recycling technologies. This study presents a gate-to-gate life cycle assessment (LCA) of a recycling pre-treatment process at a small-scale plant in the Czech Republic, focusing on spent LIBs from electric vehicles (EVs) and consumer electronics cells (CECs). Using the SimaPro LCA software and the Ecoinvent 3.9 database, the analysis evaluated the environmental impact of recycling operations across several categories, including climate change, eutrophication, freshwater, and resource use, minerals and metals. The findings reveal that the recycling pre-treatment process for CECs achieves greater benefits in climate change mitigation compared to EV batteries, with a 5% lower impact for climate change associated with EV batteries relative to CECs. Moreover, the study highlights the effectiveness of optimized recycling practices in alleviating environmental burdens. A notable finding is the significance of secondary material recovery, particularly metals such as copper and aluminium, as these materials can substitute for primary raw materials, thereby minimizing resource use and reducing emissions. These aspects emphasize the need for high recovery efficiency to enhance environmental benefits. However, further research is essential to fully comprehend the environmental impacts of LIB recycling and to resolve uncertainties concerning battery composition and the effectiveness of different recycling technologies.
锂离子电池回收预处理的Gate-to-gate生命周期评估
回收废旧锂离子电池对提高环境可持续性和资源保护至关重要;然而,由于锂离子电池的不同应用和回收技术的可变性,锂离子电池回收对环境和能源的影响尚未得到全面了解。本研究介绍了捷克共和国一家小型工厂回收预处理过程的门到门生命周期评估(LCA),重点关注来自电动汽车(ev)和消费电子电池(CECs)的废锂。利用SimaPro LCA软件和Ecoinvent 3.9数据库,分析评估了回收作业对环境的影响,包括气候变化、富营养化、淡水和资源利用、矿物和金属。研究结果表明,与电动汽车电池相比,电动汽车电池的回收预处理工艺在减缓气候变化方面取得了更大的效益,与电动汽车电池相比,电动汽车电池对气候变化的影响降低了5%。此外,该研究还强调了优化回收实践在减轻环境负担方面的有效性。一个值得注意的发现是二级材料回收的重要性,特别是铜和铝等金属,因为这些材料可以替代初级原材料,从而最大限度地减少资源使用和减少排放。这些方面强调了提高回收效率以提高环境效益的必要性。然而,要充分了解锂电池回收对环境的影响,解决电池成分和不同回收技术有效性方面的不确定性,还需要进一步的研究。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Cleaner Environmental Systems
Cleaner Environmental Systems Environmental Science-Environmental Science (miscellaneous)
CiteScore
7.80
自引率
0.00%
发文量
32
审稿时长
52 days
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