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Performance of Recycled Lithium Cobalt Oxide Synthesized with Molten Salt of Cathode Material Reduction Product of Waste Lithium Battery
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Xu YAN1, Jidong LI1, Zhen LI2, Xiaomin WANG2
Journal of the Chinese Ceramic Society | 2023, 51(7) : 1680 - 1688
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Journal of the Chinese Ceramic Society | 2023, 51(7): 1680-1688
• Research Articles •
Performance of Recycled Lithium Cobalt Oxide Synthesized with Molten Salt of Cathode Material Reduction Product of Waste Lithium Battery
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Xu YAN1, Jidong LI1, Zhen LI2, Xiaomin WANG2
Affiliations
  • 1.School of Materials and Metallurgy, University of Science and Technology Liaoning, Anshan 114051, Liaoning, China
  • 2.Key Laboratory of Synthesis and Separation of Chemical Auxiliaries in Liaoning Province, Ying Kou Institute of Technology, Yingkou 115014, Liaoning, China

    • YAN Xu (1998-), male, Master candidate. E-mail:

About Author:

YAN Xu (1998-), male, Master candidate. E-mail:

Published: 2023-06-09 doi: 10.14062/j.issn.0454-5648.20221063
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Based on an innovative green recycling route for recycling and re-synthesis of spent lithium-ion batteries, LiCoO2 was synthesized by a molten salt method with LiCl-KCl as a molten salt medium and LiOH·H2O and Co2O3 as raw materials, and then the button batteries were prepared for resource recycling. The reaction kinetics of lithium cobalt oxide synthesis and the effect of reaction conditions on the structure and morphology of LiCoO2 were investigated. The battery performance of LiCoO2 was characterized by electrochemical analysis. The results show that the activation energies of the three endothermic reaction processes in the synthesis calculated by the Kissinger model are 34.212 00, 168.539 25 kJ/mol and 221.261 81 kJ/mol, respectively. The product of LiCoO2 has a good hexagonal lattice structure when calcined at 750 ℃ for 6 h. The charge-discharge and cycle performance of the battery were tested at 0.2 C rate and 2.4-4.2 V. The experimental battery prepared by LiCoO2 calcined at 750 ℃ for 6 h has the first charge-discharge specific capacity of 150 mA·h/g and 147 mA·h/g, the Coulombic efficiency is 98%, and the discharge specific capacity after 50 cycles of charge and discharge is still 129 mA·h/g. The battery still has a good charge and discharge performance after rate cycle.

lithium-ion battery  /  molten salt synthesis  /  lithium cobalt oxide  /  recovery
闫旭, 李继东, 李振, 王晓民. 以废旧锂离子电池正极材料还原产物为原料熔盐合成钴酸锂循环利用. 硅酸盐学报, 2023 , 51 (7) : 1680 -1688 . DOI: 10.14062/j.issn.0454-5648.20221063
Xu YAN, Jidong LI, Zhen LI, Xiaomin WANG. Performance of Recycled Lithium Cobalt Oxide Synthesized with Molten Salt of Cathode Material Reduction Product of Waste Lithium Battery[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (7) : 1680 -1688 . DOI: 10.14062/j.issn.0454-5648.20221063
Appendix
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Year 2023 volume 51 Issue 7
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Article Info
doi: 10.14062/j.issn.0454-5648.20221063
  • Receive Date：2022-12-08
  • Online Date：2026-10-19
  • Published：2023-06-09
Article Data
Affiliations
History
  • Received：2022-12-08
  • Revised：2022-12-22
Funding
Affiliations
    1.School of Materials and Metallurgy, University of Science and Technology Liaoning, Anshan 114051, Liaoning, China
    2.Key Laboratory of Synthesis and Separation of Chemical Auxiliaries in Liaoning Province, Ying Kou Institute of Technology, Yingkou 115014, Liaoning, China

Corresponding:

LI Jidong (1980-), male, Ph.D., Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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