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Study on Regeneration of Spent Ternary Cathode Material by Coupling Leaching with Tartaric Acid and Glucose AITranslate

ZOU Yu-ling; WANG Hao-yi; DONG Peng; MENG Qi; LI Qing-xiang
National and Local Joint Engineering Laboratory for Lithium-ion Batteries and Materials Preparation Technology,Faculty of Metallurgy and Energy Engineering.Kunming University of Science and Technology;National and Local Joint Engineering Laboratory for Lithium-ion Batteries and Materials Preparation Technology,Faculty of Metallurgy and Energy Engineering.Kunming University of Science and Technology;National and Local Joint Engineering Laboratory for Lithium-ion Batteries and Materials Preparation Technology,Faculty of Metallurgy and Energy Engineering.Kunming University of Science and Technology;National and Local Joint Engineering Laboratory for Lithium-ion Batteries and Materials Preparation Technology,Faculty of Metallurgy and Energy Engineering.Kunming University of Science and Technology;National and Local Joint Engineering Laboratory for Lithium-ion Batteries and Materials Preparation Technology,Faculty of Metallurgy and Energy Engineering.Kunming University of Science and Technology
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Publisher: Editorial Office of Rare Metals and Cemented Carbides
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Abstract AITranslate

The recycling of spent lithium-ion batteries has double benefits of resource and environment.The coupling system of tartaric acid and glucose leaching and sodium carbonate precipitation regeneration was adopted to realize the recycling and reusing of spent LiNi0.5Co0.2Mn0.3O2ternary cathode material.Based on the single factor experimental design,the effects of glucose concentration,tartaric acid concentration,stirring rate,leaching time and leaching temperature on the leaching rate of each metal element were investigated.The results show that under the optimal leaching conditions of glucose concentration of 1.25 mol/L,tartaric acid concentration of 2 mol/L,stirring rate of 400 r/min,leaching time of 60 min and leaching temperature of 80℃,the leaching rates of Li,Ni,Co and Mn are 98.88%,98.24%,97.11%and 96.85%,respectively.The regenerated cathode material prepared by sodium carbonate precipitation and high temperature sintering has relatively excellent electrochemical performance.

KeyWords AITranslate

spent cathode material LiNi0.5Co0.2Mn0.3O2 tartaric acid glucose leaching regeneration

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DOI：

Chinese Library Classification Number:TF09[冶金工程—冶金物理化学]

Citation Information:

The recycling of spent lithium-ion batteries has double benefits of resource and environment.The coupling system of tartaric acid and glucose leaching and sodium carbonate precipitation regeneration was adopted to realize the recycling and reusing of spent LiNi0.5Co0.2Mn0.3O2ternary cathode material.Based on the single factor experimental design,the effects of glucose concentration,tartaric acid concentration,stirring rate,leaching time and leaching temperature on the leaching rate of each metal element were investigated.The results show that under the optimal leaching conditions of glucose concentration of 1.25 mol/L,tartaric acid concentration of 2 mol/L,stirring rate of 400 r/min,leaching time of 60 min and leaching temperature of 80℃,the leaching rates of Li,Ni,Co and Mn are 98.88%,98.24%,97.11%and 96.85%,respectively.The regenerated cathode material prepared by sodium carbonate precipitation and high temperature sintering has relatively excellent electrochemical performance.

quote

GB/T 7714-2015 [1] ZOU Yu-ling, WANG Hao-yi, DONG Peng, et al. Study on Regeneration of Spent Ternary Cathode Material by Coupling Leaching with Tartaric Acid and Glucose[J]. Rare Metals and Cemented Carbides, 2021(6): 26-30.
MLA [1] ZOU Yu-ling, et al., "Study on Regeneration of Spent Ternary Cathode Material by Coupling Leaching with Tartaric Acid and Glucose." Rare Metals and Cemented Carbides, no. 6, 2021, pp. 26-30.
APA [1] ZOU Yu-ling, WANG Hao-yi, DONG Peng, MENG Qi, & LI Qing-xiang. (2021). Study on Regeneration of Spent Ternary Cathode Material by Coupling Leaching with Tartaric Acid and Glucose. Rare Metals and Cemented Carbides(6), 26-30.
IEEE [1] ZOU Yu-ling, WANG Hao-yi, DONG Peng, MENG Qi, and LI Qing-xiang, "Study on Regeneration of Spent Ternary Cathode Material by Coupling Leaching with Tartaric Acid and Glucose," Rare Metals and Cemented Carbides, no. 6, pp. 26-30, 2021. keywords: {spent cathode material;LiNiCoMnO;tartaric acid;glucose;leaching;regeneration}