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Separation of nickel from cobalt and manganese in lithium ion batteries using deep eutectic solvents

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Thompson_2022_GC_Separation_of_nickel_CC.pdf (2.175Mb)
Date
23/05/2022
Author
Thompson, Dana L.
Pateli, Ioanna M.
Lei, Chunhong
Jarvis, Abbey
Abbott, Andrew P.
Hartley, Jennifer M.
Keywords
QD Chemistry
NDAS
MCC
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Abstract
A cornerstone of the decarbonisation agenda is the use of lithium ion batteries, particularly for electric vehicles. It is essential that effective recycling protocols are developed and this includes the ability to selectively digest and recover components of the cathode materials, most commonly including manganese, cobalt and nickel. This study shows a method by which nickel oxide can be efficiently separated from cobalt and manganese oxides using an oxalic acid-based deep eutectic solvent. The subsequent addition of water to the pregnant solution enables the co-precipitation of cobalt and manganese oxalates. This permits a route to the reformulation of the active materials from high cobalt and manganese content to high nickel content.
Citation
Thompson , D L , Pateli , I M , Lei , C , Jarvis , A , Abbott , A P & Hartley , J M 2022 , ' Separation of nickel from cobalt and manganese in lithium ion batteries using deep eutectic solvents ' , Green Chemistry , vol. Advance Article , no. 12 . https://doi.org/10.1039/D2GC00606E
Publication
Green Chemistry
Status
Peer reviewed
DOI
https://doi.org/10.1039/D2GC00606E
ISSN
1463-9262
Type
Journal article
Rights
Copyright © The Authors 2022. Open Access. This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Description
The authors would like to thank the Faraday Institution (grant codes FIRG005 and FIRG006) for funding (Project website https://relib.org.uk). This research also received funding from the European Commission's H2020 – Marie Sklodowska Curie Actions (MSCA) − Innovative Training Networks within the SOCRATES project under the grant agreement no. 721385 (Project website: https://etn-socrates.eu).
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/25465

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