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Application of Electrodialysis for the Selective Lithium Extraction towards Cobalt, Nickel and Manganese from Leach Solutions Containing High Divalent Cations/Li Ratio

Abstract : The present work aims at investigating the potentialities of implementation of electro- dialysis for the recycling of spent lithium-ion batteries. In this work, the use of highly-selective membrane toward lithium(I) in electrodialysis was investigated to recover selectively lithium(I) toward cobalt(II), nickel(II) and manganese(II) by means of monovalent ion-selective membranes. It was shown that the presence of divalent cations in the leach solution is responsible for a significant decrease of the limiting current despite an increase in ionic conductivity. Therefore, monitoring the ionic conductivity was not sufficient to operate electrodialysis under optimal conditions, especially when highly selective membranes were used. Furthermore, it was demonstrated that the current has to be lower than the limiting current to avoid metal hydroxide precipitation into the membrane porosity by monitoring the limiting current over time.
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https://hal.univ-lorraine.fr/hal-03594578
Contributor : Alexandre Chagnes Connect in order to contact the contributor
Submitted on : Wednesday, March 2, 2022 - 5:01:10 PM
Last modification on : Monday, March 7, 2022 - 12:18:06 PM

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Soumaya Gmar, Alexandre Chagnes, Florence Lutin, Laurence Muhr. Application of Electrodialysis for the Selective Lithium Extraction towards Cobalt, Nickel and Manganese from Leach Solutions Containing High Divalent Cations/Li Ratio. Construction & Demolition Recycling, CDR Editorial & Sales Office, 2022, 7, ⟨10.3390/recycling7020014⟩. ⟨hal-03594578⟩

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