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- Title
Recycling of LiCoO<sub>2</sub> Battery Cathode Material Through Aluminothermic Reduction Using Aluminum Waste Chips.
- Authors
Nababan, D. C.; Mukhlis, R.; Durandet, Y.; Prentice, L. H.; Rickard, W. D. A.; Pownceby, M. I.; Rhamdhani, M. A.
- Abstract
The global increase in electric vehicles (EVs) uptake accelerates the number of End-of-life (EOL) lithium-ion batteries (LIBs) to be managed and recycled. EOL LIBs contain valuable metals that may potentially be recovered for re-use. In this study, aluminum 7075 waste chips were used as a reductant to separate Li and Co from LiCoO2 (the most common cathode used in LIBs). Systematic thermodynamic analyses were carried out using FactSage 8.2. thermochemical package to evaluate the effect of enthalpy on the system, identify the optimum conditions for Li and Co recovery and evaluate the reaction products at various temperatures. Selected experiments were carried out to investigate the reduction process. Certain reaction conditions were observed to generate an ignition leading to the melting of the sample. Impurities in the Al waste chips were observed to impact the final products of Li and Co. In general, Zn was found in the gas phase alongside Li. Cu was dissolved into the (Co,Al) alloy and Mg was found to mainly report to the slag. A generic schematic illustration of the aluminothermic reduction of LiCoO2 using Al waste chips was proposed. The use of Al waste chips is considered a promising method to recover Li and Co from LiCoO2 waste.
- Subjects
COPPER; CATHODES; ALUMINUM; LITHIUM-ion batteries; ELECTRIC vehicles; IGNITION temperature
- Publication
Metallurgical & Materials Transactions. Part B, 2024, Vol 55, Issue 1, p144
- ISSN
1073-5615
- Publication type
Article
- DOI
10.1007/s11663-023-02946-7