2023
DOI: 10.1149/1945-7111/acd02a
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Enhanced Electrochemical Properties of Cobalt by Varying the Ethylene Glycol - Choline Chloride Composition in a Deep Eutectic Solvent Mixture

Isuri N. Perera,
Jennifer M. Pringle,
Kalani Periyapperuma
et al.

Abstract: The increased demand for portable electronic devices and electric vehicles has resulted in an exponential increase in lithium-ion battery (LIB) waste, and becoming in turn an important secondary source for critical metals. Electrowinning is a commonly used method to recover base and precious metals from a solution, which can also be used to recover valuable metals from spent LIBs. This study unveiled the cobalt electrochemical recovery using model Co sources in increasing amounts of ethylene glycol (EG), 67 mo… Show more

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Cited by 7 publications
(1 citation statement)
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“…SO 4 2− and Cl − , could have an impact on the Co 2+ reduction in the speciation of octahedral geometry. 23 As a side-reaction, the reduction of hydrogen ions occurred at the cathode. Boric acid was introduced to buffer the pH of the electrolyte and to make the deposition process stable.…”
Section: Resultsmentioning
confidence: 99%
“…SO 4 2− and Cl − , could have an impact on the Co 2+ reduction in the speciation of octahedral geometry. 23 As a side-reaction, the reduction of hydrogen ions occurred at the cathode. Boric acid was introduced to buffer the pH of the electrolyte and to make the deposition process stable.…”
Section: Resultsmentioning
confidence: 99%