Recovery of valuable metals from lithium-ion batteries cathode material by leaching and solvent extraction

Hsing Jung Ho, Wei-sheng Chen, Wen Yu Wang

Research output: Contribution to conferencePaper

Abstract

With the use and application of lithium-ion batteries (LIBs) are increasing constantly and widely, the wastes and adverse influence are generated and cause the environmental pollution. In recent years, the research about recovery of LIBs mainly focus on lithium cobalt oxide batteries and lithium manganese oxide batteries. However, those types of batteries are gradually replaced by lithium nickel manganese cobalt oxide batteries (NMC batteries). In this study, we will concentrate on dealing with waste cathode material produced during the manufacture of NMC batteries. The hydrometallurgical process will be used to recovery of valuable metals in LIBs. In leaching step, the effects of H2SO4 concentration, H2O2 concentration, leaching time, liquid-solid mass ratio and reaction temperature with leaching percentage are investigated. After leaching process is completed, the solvent extraction process, which is carried out using Cyanex 272 diluted with kerosene will separate cobalt, manganese, nickel and lithium. The factors affecting the extraction process are the effect of equilibrium pH and extractant concentration, O/A ratio, temperature. Finally, stripping of cobalt and manganese will be achieved by sulfuric acid.

Original languageEnglish
Publication statusPublished - 2017 Jan 1
Event14th International Symposium on East Asian Resources Recycling Technology, EARTH 2017 - Sapporo, Hokkaido, Japan
Duration: 2017 Sep 262017 Sep 29

Conference

Conference14th International Symposium on East Asian Resources Recycling Technology, EARTH 2017
CountryJapan
CitySapporo, Hokkaido
Period17-09-2617-09-29

Fingerprint

lithium
leaching
cobalt
ion
metal
manganese
nickel
oxide
material
battery
manganese oxide
sulfuric acid
temperature
liquid

All Science Journal Classification (ASJC) codes

  • Environmental Science(all)

Cite this

Ho, H. J., Chen, W., & Wang, W. Y. (2017). Recovery of valuable metals from lithium-ion batteries cathode material by leaching and solvent extraction. Paper presented at 14th International Symposium on East Asian Resources Recycling Technology, EARTH 2017, Sapporo, Hokkaido, Japan.
Ho, Hsing Jung ; Chen, Wei-sheng ; Wang, Wen Yu. / Recovery of valuable metals from lithium-ion batteries cathode material by leaching and solvent extraction. Paper presented at 14th International Symposium on East Asian Resources Recycling Technology, EARTH 2017, Sapporo, Hokkaido, Japan.
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Ho, HJ, Chen, W & Wang, WY 2017, 'Recovery of valuable metals from lithium-ion batteries cathode material by leaching and solvent extraction', Paper presented at 14th International Symposium on East Asian Resources Recycling Technology, EARTH 2017, Sapporo, Hokkaido, Japan, 17-09-26 - 17-09-29.

Recovery of valuable metals from lithium-ion batteries cathode material by leaching and solvent extraction. / Ho, Hsing Jung; Chen, Wei-sheng; Wang, Wen Yu.

2017. Paper presented at 14th International Symposium on East Asian Resources Recycling Technology, EARTH 2017, Sapporo, Hokkaido, Japan.

Research output: Contribution to conferencePaper

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AU - Ho, Hsing Jung

AU - Chen, Wei-sheng

AU - Wang, Wen Yu

PY - 2017/1/1

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N2 - With the use and application of lithium-ion batteries (LIBs) are increasing constantly and widely, the wastes and adverse influence are generated and cause the environmental pollution. In recent years, the research about recovery of LIBs mainly focus on lithium cobalt oxide batteries and lithium manganese oxide batteries. However, those types of batteries are gradually replaced by lithium nickel manganese cobalt oxide batteries (NMC batteries). In this study, we will concentrate on dealing with waste cathode material produced during the manufacture of NMC batteries. The hydrometallurgical process will be used to recovery of valuable metals in LIBs. In leaching step, the effects of H2SO4 concentration, H2O2 concentration, leaching time, liquid-solid mass ratio and reaction temperature with leaching percentage are investigated. After leaching process is completed, the solvent extraction process, which is carried out using Cyanex 272 diluted with kerosene will separate cobalt, manganese, nickel and lithium. The factors affecting the extraction process are the effect of equilibrium pH and extractant concentration, O/A ratio, temperature. Finally, stripping of cobalt and manganese will be achieved by sulfuric acid.

AB - With the use and application of lithium-ion batteries (LIBs) are increasing constantly and widely, the wastes and adverse influence are generated and cause the environmental pollution. In recent years, the research about recovery of LIBs mainly focus on lithium cobalt oxide batteries and lithium manganese oxide batteries. However, those types of batteries are gradually replaced by lithium nickel manganese cobalt oxide batteries (NMC batteries). In this study, we will concentrate on dealing with waste cathode material produced during the manufacture of NMC batteries. The hydrometallurgical process will be used to recovery of valuable metals in LIBs. In leaching step, the effects of H2SO4 concentration, H2O2 concentration, leaching time, liquid-solid mass ratio and reaction temperature with leaching percentage are investigated. After leaching process is completed, the solvent extraction process, which is carried out using Cyanex 272 diluted with kerosene will separate cobalt, manganese, nickel and lithium. The factors affecting the extraction process are the effect of equilibrium pH and extractant concentration, O/A ratio, temperature. Finally, stripping of cobalt and manganese will be achieved by sulfuric acid.

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Ho HJ, Chen W, Wang WY. Recovery of valuable metals from lithium-ion batteries cathode material by leaching and solvent extraction. 2017. Paper presented at 14th International Symposium on East Asian Resources Recycling Technology, EARTH 2017, Sapporo, Hokkaido, Japan.