Influence of Temperature on Cobalt Hydroxide Precipitation for Recovery from Battery Leachates

Djoudi, Neila; Mostefa, Marie Le Page; Muhr, Hervé

doi:10.1002/ceat.202000330

Cited by 8 publications

(5 citation statements)

References 18 publications

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“…decreases at 25 °C compared to temperatures higher [29]. This can be explained by the progressive oxidation of β-Co(OH)2 to cobalt oxyhydroxide CoOOH, which is in line with various studies results [36], [37].…”

Section: Determination Of Thesupporting

confidence: 90%

“…Therefore, the rapid decrease in pH at high temperature is related to the oxidation reaction acceleration. Experiments conducted at 50 °C have confirmed this observation, where cobalt (II) hydroxide precipitation were conducted under nitrogen conditions [29]. Several simulations of precipitation of metal hydroxides contained in battery leachates show that care must be taken at the chosen temperature, whether manganese/cobalt separation is conducted by precipitation with hydroxides.…”

Section: Determination Of Thementioning

confidence: 70%

“…The selected polymorph should allow the obtaining of the highest yields and the lowest filtration times, thus growing closer to the real conditions of Li-ion battery leachates, and appearing on the proposed process scheme. The temperature increase accelerates the phase transition from α-Co(OH) 2 to β-Co(OH) 2 and cobalt recovery is optimal at 25 • C with a yield close to 100% (Figure 3) [29]. Indeed, at 25 • C, after 28 min, 99.98% ± 0.02% of the cobalt is in β-Co(OH) 2 form.…”

Section: Simulations Results On Batteries Leachate At Different Temperaturesmentioning

confidence: 97%

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Hydrometallurgical Process to Recover Cobalt from Spent Li-Ion Batteries

2021

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The growth of the lithium-ion battery industry requires a secure supply of raw materials and appropriate end-of-life management of batteries. In almost five years, global cobalt consumption has increased by nearly 30%, driven mainly by rechargeable batteries. Consequently, several risks have been identified for cobalt, in particular the growing demand for electric vehicles, which could exceed current production. Therefore, research into the recovery of this critical metal, from industrial or urban waste, is particularly important in the years to come. In this study, cobalt is recovered from a lithium-ion battery leachate in hydroxide form. The thermodynamic simulations performed with Visual Minteq showed that it was possible to recover 99.8% of cobalt (II) hydroxide at 25 °C. Based on these results, experiments were conducted to validate the hypotheses put forward and to compare the results obtained with the simulations performed. Experimentally, several operating parameters were studied to determine the optimal conditions for cobalt recovery, in terms of yield, filterability, and selectivity. Results obtained in a batch reactor allowed the determination of the temperature conditions to be applied in continuous reactor. The cobalt (II) hydroxide precipitation in continuous reactor was carried out under different pH conditions. It was then possible to determine the optimal conditions for cobalt recovery in terms of yield and filterability. Results showed that working at pH 9 would effectively meet the desired criteria. Indeed, cobalt recovery is close to 100% and filtration flow rate is three times higher. Results obtained allow a better understanding of cobalt (II) hydroxide precipitation.

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Section: Determination Of Thesupporting

confidence: 90%

Section: Determination Of Thementioning

confidence: 70%

Section: Simulations Results On Batteries Leachate At Different Temperaturesmentioning

confidence: 97%

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Hydrometallurgical Process to Recover Cobalt from Spent Li-Ion Batteries

2021

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“…Carbon nanodots, including CDs, graphene quantum dots (GQDs), or CQDs, are emerging new carbon allotropes nanomaterials. Carbon nanomaterials have advanced electrochemical-based applications [ 74 ]. CDs have advanced electrochemical applications such as O 2 and H 2 O 2 reduction, and biosensing of glucose [ 75 ].…”

Section: Applicationsmentioning

confidence: 99%

An introductory review on advanced multifunctional materials

Abdelhamid¹

2023

Heliyon

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“…Coprecipitation is typically done at temperatures of 40-80 °C. The temperature is known to have a significant effect on coprecipitation kinetics of transition metal hydroxide materials [15]. In this study, the impact of precipitation temperature was first studied using temperatures of 40-60 °C.…”

Section: Effect Of Temperature On Precipitationmentioning

confidence: 99%

Effect of Reaction Conditions on the Coprecipitation of Ni(OH)₂ for Lithium‐Ion Batteries

et al. 2023

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Electrochemical performance of cathode active materials (CAMs) is dependent on the properties of coprecipitated precursors (pCAMs). This is a sensitive process affected by several reaction parameters such as temperature, pH, concentration of reactants, agitation rate, and residence time. In this paper, the effect of parameters influencing the particle size growth and the physical properties, such as particle morphology and tapped density, was studied in the coprecipitation of Ni(OH)2. Formation of a homogeneous population with narrow particle size distribution was observed, followed by a more heterogeneous population of dense particles. Ammonia concentration and residence time had significant effects on particle size growth and morphology, but agitation rate also had an impact.

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Influence of Temperature on Cobalt Hydroxide Precipitation for Recovery from Battery Leachates

Cited by 8 publications

References 18 publications

Hydrometallurgical Process to Recover Cobalt from Spent Li-Ion Batteries

Hydrometallurgical Process to Recover Cobalt from Spent Li-Ion Batteries

An introductory review on advanced multifunctional materials

Effect of Reaction Conditions on the Coprecipitation of Ni(OH)₂ for Lithium‐Ion Batteries

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Influence of Temperature on Cobalt Hydroxide Precipitation for Recovery from Battery Leachates

Cited by 8 publications

References 18 publications

Hydrometallurgical Process to Recover Cobalt from Spent Li-Ion Batteries

Hydrometallurgical Process to Recover Cobalt from Spent Li-Ion Batteries

An introductory review on advanced multifunctional materials

Effect of Reaction Conditions on the Coprecipitation of Ni(OH)2 for Lithium‐Ion Batteries

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Product

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Effect of Reaction Conditions on the Coprecipitation of Ni(OH)₂ for Lithium‐Ion Batteries