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| Review on Recycling Technology of Retired LiFePO4 Batteries |
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Received:February 04, 2023
Revised:February 08, 2023
Accepted:February 13, 2023
Published Online:April 20, 2023
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| DOI：doi：10.3969/j.issn.1007-7545.2023.05.015 |
| KeyWord:recycling of lithium iron phosphate; repair of lithium iron phosphate; selective lithium extraction; lithium battery pretreatment |
| Author | Institution |
| WANG Meng |
北京科技大学 冶金与生态工程学院 |
| ZHANG Jia-liang |
稀贵金属绿色回收与提取北京市重点实验室;北京科技大学 冶金与生态工程学院 |
| CHEN Yong-qiang |
稀贵金属绿色回收与提取北京市重点实验室;北京科技大学 冶金与生态工程学院 |
| WANG Cheng-yan |
稀贵金属绿色回收与提取北京市重点实验室;北京科技大学 冶金与生态工程学院 |
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| Abstract: |
| In recent years, the new energy vehicles and energy storage fields develop rapidly in China. The usage of lithium iron phosphate battery rises sharply. In the future, a large number of retired lithium iron phosphate batteries will be generated, the recycling of which will not only alleviate the problem of lithium resource shortage in China but also reduce the environmental pollution caused by fluorinated electrolyte. The research on recycling of retired lithium iron phosphate batteries in recent years was reviewed, including lithium battery pretreatment, repair technologies for spent lithium iron phosphate cathode material, hydrometallurgical recovery, selective lithium extraction method, and recovery of lithium extraction tailing, etc. The latest research results of each technology were summarized. The advantages and disadvantages of each process were analyzed from the aspects of economics of the process, recovery rate and environmental impact and other aspects. The future development direction of recycling technology of retired lithium iron phosphate batteries was prospected. |
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