Selective electrodeposition of Co-Ni composites from synthetic quasi LiB NMC 532 cathode sulphate solutions using rotating plate potentiostatic electrowinning
The interest in recycling spent lithium-ion batteries (Li-ionB) has surged due to the rising demand for valuable metals (e.g., Co, Ni, Li and Mn) and concerns about environmental repercussions emanating from conventional battery waste disposal. This research is centered on the recovery of Ni and Co...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2024-03-01
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| Series: | Chemical Engineering Journal Advances |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2666821123001369 |
| _version_ | 1797328542008082432 |
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| author | Tendai Tawonezvi Dorcas Zide Myalelo Nomnqa Leslie Petrik Bernard Jan Bladergroen |
| author_facet | Tendai Tawonezvi Dorcas Zide Myalelo Nomnqa Leslie Petrik Bernard Jan Bladergroen |
| author_sort | Tendai Tawonezvi |
| collection | DOAJ |
| description | The interest in recycling spent lithium-ion batteries (Li-ionB) has surged due to the rising demand for valuable metals (e.g., Co, Ni, Li and Mn) and concerns about environmental repercussions emanating from conventional battery waste disposal. This research is centered on the recovery of Ni and Co from synthetic Ni, Co, Mn and Li sulphate solutions mimicking the NMC 532 ratio of elements using a hydro-electrometallurgy process route that integrates hydrometallurgy and potentiostatic electrometallurgy techniques. This quasi-model is done to elucidate the effect of multiple influencing parameters, through isolation and varying, on the selective electrodeposition of Co-Ni from multi-ion (Li, Ni, Mn and Co) complex solutions before applying it using real cathode leachates. The selective electrowinning metal recovery process route is a cost-effective alternative to the energy, cost and material-intensive hydrometallurgy intermediate purification processes such as solvent extraction, selective precipitation, and ion-exchange. The study delves into the effects of various electrowinning parameters, including applied potential, temperature, pH, Co, Ni, Na2SO4, NaH2PO4 buffer concentration, and cathode rotational speed. These parameters were thoroughly investigated and effectively optimised to achieve the recovery of 97.2% pure Ni0.65Co0.35 at a rate of 0.060 g/cm2.h with an impressive 89.25 % current efficiency. The composition of the electrowon deposit was meticulously quantified using Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES) and subjected to analysis through a Scanning Electron Microscope (SEM-EDS). Additionally, the phase composition was evaluated using X-Ray Diffraction analysis (XRD). The results successfully demonstrate the technical feasibility of recovering Ni-Co composites, yielding high quantities of industrial-grade pure Ni-Co composites. This comprehensive electro-hydrometallurgical process, designed for both closed and loop recycling purposes, promotes a more environmentally preservative approach to recycling spent lithium-ion battery cathode material. The approach contributes significantly to the development of sustainable resource management infrastructure. |
| first_indexed | 2024-03-08T06:54:14Z |
| format | Article |
| id | doaj.art-ac3452751bd842a7861e92182720258c |
| institution | Directory Open Access Journal |
| issn | 2666-8211 |
| language | English |
| last_indexed | 2024-03-08T06:54:14Z |
| publishDate | 2024-03-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Chemical Engineering Journal Advances |
| spelling | doaj.art-ac3452751bd842a7861e92182720258c2024-02-03T06:39:45ZengElsevierChemical Engineering Journal Advances2666-82112024-03-0117100579Selective electrodeposition of Co-Ni composites from synthetic quasi LiB NMC 532 cathode sulphate solutions using rotating plate potentiostatic electrowinningTendai Tawonezvi0Dorcas Zide1Myalelo Nomnqa2Leslie Petrik3Bernard Jan Bladergroen4South African Institute for Advance Materials Chemistry (SAIAMC), University of the Western Cape, Robert Sobukwe Road, Bellville, Cape Town 7535, South Africa; Department of Chemical Engineering, Cape Peninsula University of Technology, Symphony Way, Bellville, Cape Town 7535, South Africa; Corresponding author at: South African Institute for Advance Materials Chemistry (SAIAMC), University of the Western Cape, Robert Sobukwe Road, Bellville, Cape Town 7535, South Africa.South African Institute for Advance Materials Chemistry (SAIAMC), University of the Western Cape, Robert Sobukwe Road, Bellville, Cape Town 7535, South Africa; Department of Chemistry, Cape Peninsula University of Technology, Symphony Way, Bellville, Cape Town 7535, South AfricaDepartment of Chemical Engineering, Cape Peninsula University of Technology, Symphony Way, Bellville, Cape Town 7535, South AfricaSouth African Institute for Advance Materials Chemistry (SAIAMC), University of the Western Cape, Robert Sobukwe Road, Bellville, Cape Town 7535, South AfricaSouth African Institute for Advance Materials Chemistry (SAIAMC), University of the Western Cape, Robert Sobukwe Road, Bellville, Cape Town 7535, South AfricaThe interest in recycling spent lithium-ion batteries (Li-ionB) has surged due to the rising demand for valuable metals (e.g., Co, Ni, Li and Mn) and concerns about environmental repercussions emanating from conventional battery waste disposal. This research is centered on the recovery of Ni and Co from synthetic Ni, Co, Mn and Li sulphate solutions mimicking the NMC 532 ratio of elements using a hydro-electrometallurgy process route that integrates hydrometallurgy and potentiostatic electrometallurgy techniques. This quasi-model is done to elucidate the effect of multiple influencing parameters, through isolation and varying, on the selective electrodeposition of Co-Ni from multi-ion (Li, Ni, Mn and Co) complex solutions before applying it using real cathode leachates. The selective electrowinning metal recovery process route is a cost-effective alternative to the energy, cost and material-intensive hydrometallurgy intermediate purification processes such as solvent extraction, selective precipitation, and ion-exchange. The study delves into the effects of various electrowinning parameters, including applied potential, temperature, pH, Co, Ni, Na2SO4, NaH2PO4 buffer concentration, and cathode rotational speed. These parameters were thoroughly investigated and effectively optimised to achieve the recovery of 97.2% pure Ni0.65Co0.35 at a rate of 0.060 g/cm2.h with an impressive 89.25 % current efficiency. The composition of the electrowon deposit was meticulously quantified using Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES) and subjected to analysis through a Scanning Electron Microscope (SEM-EDS). Additionally, the phase composition was evaluated using X-Ray Diffraction analysis (XRD). The results successfully demonstrate the technical feasibility of recovering Ni-Co composites, yielding high quantities of industrial-grade pure Ni-Co composites. This comprehensive electro-hydrometallurgical process, designed for both closed and loop recycling purposes, promotes a more environmentally preservative approach to recycling spent lithium-ion battery cathode material. The approach contributes significantly to the development of sustainable resource management infrastructure.http://www.sciencedirect.com/science/article/pii/S2666821123001369Lithium-ion batteriesRecyclingRecoveryValuable metalsCobaltNickel, Electrowinning |
| spellingShingle | Tendai Tawonezvi Dorcas Zide Myalelo Nomnqa Leslie Petrik Bernard Jan Bladergroen Selective electrodeposition of Co-Ni composites from synthetic quasi LiB NMC 532 cathode sulphate solutions using rotating plate potentiostatic electrowinning Chemical Engineering Journal Advances Lithium-ion batteries Recycling Recovery Valuable metals Cobalt Nickel, Electrowinning |
| title | Selective electrodeposition of Co-Ni composites from synthetic quasi LiB NMC 532 cathode sulphate solutions using rotating plate potentiostatic electrowinning |
| title_full | Selective electrodeposition of Co-Ni composites from synthetic quasi LiB NMC 532 cathode sulphate solutions using rotating plate potentiostatic electrowinning |
| title_fullStr | Selective electrodeposition of Co-Ni composites from synthetic quasi LiB NMC 532 cathode sulphate solutions using rotating plate potentiostatic electrowinning |
| title_full_unstemmed | Selective electrodeposition of Co-Ni composites from synthetic quasi LiB NMC 532 cathode sulphate solutions using rotating plate potentiostatic electrowinning |
| title_short | Selective electrodeposition of Co-Ni composites from synthetic quasi LiB NMC 532 cathode sulphate solutions using rotating plate potentiostatic electrowinning |
| title_sort | selective electrodeposition of co ni composites from synthetic quasi lib nmc 532 cathode sulphate solutions using rotating plate potentiostatic electrowinning |
| topic | Lithium-ion batteries Recycling Recovery Valuable metals Cobalt Nickel, Electrowinning |
| url | http://www.sciencedirect.com/science/article/pii/S2666821123001369 |
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