Recovery of lithium and cobalt from lithium cobalt oxide and lithium nickel manganese cobalt oxide batteries using supercritical water.

Autor: Barros TV; Department of Chemical Engineering, State University of Maringá (UEM), Maringá, PR, 87020-900, Brazil; School of Engineering, RMIT University, Melbourne, VIC 3000, Australia., Notario VA; Department of Chemical Engineering, State University of Maringá (UEM), Maringá, PR, 87020-900, Brazil., de Oliveira JA; School of Engineering, Sao Paulo State University (UNESP), Campus of Sao Joao da Boa Vista, Sao Joao da Boa Vista, SP, 13876-750, Brazil., Bispo DF; Department of Chemistry, Federal University of Sergipe (UFS), São Cristovão, SE, BR, 49100-000, Brazil., Freitas LDS; Department of Chemistry, Federal University of Sergipe (UFS), São Cristovão, SE, BR, 49100-000, Brazil., Jegatheesan V; School of Engineering, RMIT University, Melbourne, VIC 3000, Australia., Cardozo-Filho L; Department of Chemical Engineering, State University of Maringá (UEM), Maringá, PR, 87020-900, Brazil; School of Engineering, RMIT University, Melbourne, VIC 3000, Australia; School of Engineering, Sao Paulo State University (UNESP), Campus of Sao Joao da Boa Vista, Sao Joao da Boa Vista, SP, 13876-750, Brazil. Electronic address: lcfilho@uem.br.
Jazyk: angličtina
Zdroj: Environmental pollution (Barking, Essex : 1987) [Environ Pollut] 2024 Oct 15; Vol. 359, pp. 124570. Date of Electronic Publication: 2024 Jul 17.
DOI: 10.1016/j.envpol.2024.124570
Abstrakt: This study investigates the eco-friendly extraction of metal oxides from LCO and NMC batteries using supercritical water. Experiments were conducted at 450 °C with a feed rate of 5 mL min -1 and varying battery/PVC ratios (0.0, 2.0, and 3.0). The products were analyzed by X-ray diffractometry (XRD), atomic absorption spectrometry (FAAS) and gas chromatography-mass spectrometry (GC-MS). Results show the presence of cobalt chloride (CoCl 2 ) and lithium (Li) in the liquid products, achieving 100% cobalt recovery under all conditions. The gaseous products obtained hydrogen with molar compositions up to 78.3% and 82.7% for LCO:PVC and NMC:PVC batteries, respectively, after 60 min of reaction. These findings highlight the potential of this methodology for lithium-ion battery recycling.
Competing Interests: Declaration of competing interest The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: Lucio Cardozo-Filho, Jose Augusto de Oliveira and Thiago V. Barros have a patent #US 63/518,982 pending to EMBRAER S.A. and UNESP. The other authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
(Copyright © 2024 Elsevier Ltd. All rights reserved.)
Databáze: MEDLINE
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