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Electrochemical leaching of critical materials from lithium-ion batteries: A comparative life cycle assessment

Journal Article · · Resources, Conservation and Recycling
The manufacturing of lithium-ion batteries (LIB) requires critical materials such as cobalt (Co) and lithium (Li) that are essential for clean-energy products including electric vehicles. Because of their rapidly increasing demand and limited supply, the recycle and reuse of these materials from end-of-life LIB have garnered a lot of interest. Electrochemical leaching has emerged as a sustainable method to extract critical materials out of LIBs, so life cycle assessment was conducted to compare the environmental impacts with traditional peroxide-based leaching and another emerging technology – SO2-based leaching. The results showed that electrochemical leaching reduces the global warming potential (GWP) by 80%-87% compared to peroxide-based leaching due to a lower acid consumption, avoidance of hydrogen peroxide, and regeneration of reducing agent iron (II) sulfate and compares well with SO2-based leaching in most impact categories. Furthermore, the analysis suggested renewable energy can further reduce the environment footprint of electrochemical leaching.
Research Organization:
Idaho National Laboratory (INL), Idaho Falls, ID (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Energy Efficiency Office. Advanced Materials & Manufacturing Technologies Office (AMMTO)
Grant/Contract Number:
AC02-07CH11358; AC07-05ID14517; EE0007888
OSTI ID:
1999227
Report Number(s):
INL/JOU--22-69529-Rev000
Journal Information:
Resources, Conservation and Recycling, Journal Name: Resources, Conservation and Recycling Journal Issue: - Vol. 193; ISSN 0921-3449
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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