A Closed-Loop Process for Selective Metal Recovery from Spent Lithium Iron Phosphate Batteries through Mechanochemical Activation
Yang, Yongxia1,2; Zheng, Xiaohong2,3; Cao, Hongbin2; Zhao, Chunlong2,4; Lin, Xiao2; Ning, Pengge2; Zhang, Yi1,2; Jin, Wei2; Sun, Zhi2
2017-11-01
发表期刊ACS SUSTAINABLE CHEMISTRY & ENGINEERING
ISSN2168-0485
卷号5期号:11页码:9972-9980
摘要

With the increasing consumption of lithium ion batteries (LIBs) in electric and electronic products, the recycling of spent LIBs has drawn significant attention due to their high potential of environmental impacts and waste of valuable resources. Among different types of spent LIBs, the difficulties for recycling spent LiFePO4 batteries rest on their relatively low extraction efficiency and recycling selectivity in which secondary waste is frequently generated. In this research, mechanochemical activation was developed to selectively recycle Fe and Li from cathode scrap of spent LiFePO4 batteries. By mechanochemical activation pretreatment and the diluted H3PO4 leaching solution, the leaching efficiency of Fe and Li can be significantly improved to be 97.67% and 94.29%, respectively. To understand the Fe and Li extraction process and the mechanochemical activation mechanisms, the effects of various parameters during Fe and Li recovery were comprehensively investigated, including activation time, cathode powder to additive mass ratio, acid concentration, the liquid-to-solid ratio, and leaching time. Subsequently, the metal ions after leaching can be recovered by selective precipitation. In the whole process, about 93.05% Fe and 82.55% Li could be recovered as FePO4 center dot 2H(2)O and Li3PO4, achieving selective recycling of metals for efficient use of resources from spent lithium ion batteries.

关键词Spent Lifepo4 Mechanochemical Activation Lithium Recovery Leaching
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1021/acssuschemeng.7b01914
收录类别SCI
语种英语
关键词[WOS]Li-ion Batteries ; Electronic Waste ; Cathode Materials ; Phosphoric-acid ; Valuable Metals ; Cobalt ; Lifepo4 ; Mixtures
WOS研究方向Chemistry ; Engineering
WOS类目Chemistry, Multidisciplinary ; Engineering, Chemical
项目资助者CAS Pioneer Hundred Talents Program ; National Natural Science Foundation of China(51425405 ; National Science -Technology Support Plan Projects(2015BAB02B05) ; L1624051)
WOS记录号WOS:000414825900052
引用统计
被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/23373
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Northeastern Univ, Sch Mat Sci & Engn, Shenyang 110819, Liaoning, Peoples R China
2.Chinese Acad Sci, Beijing Engn Res Ctr Proc Pollut Control, Inst Proc Engn, Div Environm Technol & Engn, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100190, Peoples R China
4.Univ Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China
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GB/T 7714
Yang, Yongxia,Zheng, Xiaohong,Cao, Hongbin,et al. A Closed-Loop Process for Selective Metal Recovery from Spent Lithium Iron Phosphate Batteries through Mechanochemical Activation[J]. ACS SUSTAINABLE CHEMISTRY & ENGINEERING,2017,5(11):9972-9980.
APA Yang, Yongxia.,Zheng, Xiaohong.,Cao, Hongbin.,Zhao, Chunlong.,Lin, Xiao.,...&Sun, Zhi.(2017).A Closed-Loop Process for Selective Metal Recovery from Spent Lithium Iron Phosphate Batteries through Mechanochemical Activation.ACS SUSTAINABLE CHEMISTRY & ENGINEERING,5(11),9972-9980.
MLA Yang, Yongxia,et al."A Closed-Loop Process for Selective Metal Recovery from Spent Lithium Iron Phosphate Batteries through Mechanochemical Activation".ACS SUSTAINABLE CHEMISTRY & ENGINEERING 5.11(2017):9972-9980.
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