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A fast and efficient method for selective extraction of lithium from spent lithium iron phosphate battery
Shentu, Huajian1,2; Xiang, Bo3; Cheng, Ya-Jun1; Dong, Tao4; Gao, Jie1; Xia, Yonggao1,5
2021-08-01
Source PublicationENVIRONMENTAL TECHNOLOGY & INNOVATION
ISSN2352-1864
Volume23Pages:9
AbstractA new recovery method for fast and efficient selective leaching of lithium from lithium iron phosphate cathode powder is proposed. Lithium is expelled out of the Oliver crystal structure of lithium iron phosphate due to oxidation of Fe2+ into Fe3+ by ammonium persulfate. 99% of lithium is therefore leached at 40 degrees C with only 1.1 times the amount of ammonium persulfate without the help of acid treatment. The use of ammonium persulfate also avoids the necessity to remove other metal ions in the later purification process. Various characterization methods including SEM, XPS, XRD are used to explore the experimental leaching mechanism. Theoretical investigations are performed which reveals the E-pH diagram of Fe-P-Li-H2O thermodynamic equilibrium. It confirms the possibility and suggests appropriate pH range allowing direct conversion from lithium iron phosphate to iron phosphate with great energy saving and reduced use of acid and base. Based on the experimental and theoretical results, a green and efficient closed-loop recycling route for lithium iron phosphate is proposed. (C) 2021 Elsevier B.V. All rights reserved.
KeywordLithium iron phosphate battery Battery recycling Selective recovery Efficient Ammonium persulfate Oxidation leaching
DOI10.1016/j.eti.2021.101569
Language英语
WOS KeywordLIFEPO4 CATHODE MATERIALS ; ION BATTERIES ; RECYCLING PROCESS ; METAL RECOVERY ; REGENERATION ; GREEN ; ACID ; LI
Funding ProjectNational Natural Science Foundation of China[21773279] ; National Natural Science Foundation of China[22075305] ; Zhejiang Province Public Welfare Technology Application Research Project, People's Republic of China[LGG19B010001] ; Green Process Manufacturing Innovation Institute of Chinese Academy of Sciences, People's Republic of China independently deployed the joint fund[IAGM2020C28] ; Key Research Program of the Chinese Academy of Sciences, People's Republic of China[ZDRW_CN_20201] ; Ningbo Science & Technology Innovation 2025 Major Project, People's Republic of China[2019B10050] ; Ningbo Science & Technology Innovation 2025 Major Project, People's Republic of China[2019B10113]
WOS Research AreaBiotechnology & Applied Microbiology ; Engineering ; Environmental Sciences & Ecology
WOS SubjectBiotechnology & Applied Microbiology ; Engineering, Environmental ; Environmental Sciences
Funding OrganizationNational Natural Science Foundation of China ; Zhejiang Province Public Welfare Technology Application Research Project, People's Republic of China ; Green Process Manufacturing Innovation Institute of Chinese Academy of Sciences, People's Republic of China independently deployed the joint fund ; Key Research Program of the Chinese Academy of Sciences, People's Republic of China ; Ningbo Science & Technology Innovation 2025 Major Project, People's Republic of China
WOS IDWOS:000685037600002
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/49857
Collection中国科学院过程工程研究所
Corresponding AuthorGao, Jie; Xia, Yonggao
Affiliation1.Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, 1219 Zhongguan West Rd, Ningbo 315201, Zhejiang, Peoples R China
2.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
3.Huayou New Energy Technol Quzhou Co Ltd, 1 Bldg 9,18 Nianxin Rd, Quzhou 324000, Zhejiang, Peoples R China
4.Chinese Acad Sci, State Key Lab Multiphase Complex Syst, Beijing Key Lab Ion Liquids Clean Proc, CAS Key Lab Green Proc & Engn,Inst Proc Engn, Beijing 100190, Peoples R China
5.Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, 19A Yuquan Rd, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Shentu, Huajian,Xiang, Bo,Cheng, Ya-Jun,et al. A fast and efficient method for selective extraction of lithium from spent lithium iron phosphate battery[J]. ENVIRONMENTAL TECHNOLOGY & INNOVATION,2021,23:9.
APA Shentu, Huajian,Xiang, Bo,Cheng, Ya-Jun,Dong, Tao,Gao, Jie,&Xia, Yonggao.(2021).A fast and efficient method for selective extraction of lithium from spent lithium iron phosphate battery.ENVIRONMENTAL TECHNOLOGY & INNOVATION,23,9.
MLA Shentu, Huajian,et al."A fast and efficient method for selective extraction of lithium from spent lithium iron phosphate battery".ENVIRONMENTAL TECHNOLOGY & INNOVATION 23(2021):9.
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