Extraction of nickel from cathode material of lithium-ion batteries using pyroligneous acid
Cherry Nguyen, Philip Kwong
Abstract. The study aims to investigate the potential use of pyroligneous acid (PA) in extracting nickel from the cathode active material of lithium-ion batteries (LIBs). The efficiency of nickel leaching was assessed by varying extraction temperature, time, and solid-to-liquid ratio. Optimal conditions were determined to be at 70 ℃, 30 minutes, and a solid-to-liquid ratio of 20 g/L. Under these conditions, PA was able to extract up to 95% of nickel from the cathode active material. Kinetic studies revealed that nickel extraction by PA follows a chemical reaction control mechanism with an apparent activation energy of 31.8 kJ/kmol. Results from this study suggest that PA can be an cost-effective and efficient organic alternative to the harmful inorganic lixiviant commonly involved in the hydrometallurgical process of spent LIBs.
Keywords
LIBs Recycling, Nickel, Pyroligneous Acid, Metal Extraction
Published online 4/25/2025, 5 pages
Copyright © 2025 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA
Citation: Cherry Nguyen, Philip Kwong, Extraction of nickel from cathode material of lithium-ion batteries using pyroligneous acid, Materials Research Proceedings, Vol. 53, pp 399-403, 2025
DOI: https://doi.org/10.21741/9781644903575-39
The article was published as article 39 of the book Decarbonization Technology
Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
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