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Synergic Mechanisms on Carbon and Sulfur during the Selective Recovery of Valuable Metals from Spent Lithium-Ion Batteries

文献类型：期刊论文

作者Xu, Ping1,2; Liu, Chunwei2; Zhang, Xihua1; Zheng, Xiaohong2; Lv, Weiguang2; Rao, Fu1; Yao, Peifan1; Wang, Jingwei1; Sun, Zhi1,2
刊名ACS SUSTAINABLE CHEMISTRY & ENGINEERING
出版日期2021-02-08
卷号9期号:5页码:2271-2279
ISSN号2168-0485
关键词spent lithium-ion batteries recycling sulfation roasting milder conditions leaching
DOI10.1021/acssuschemeng.0c08213
英文摘要Recycling of spent lithium-ion batteries (LIBs) has attracted ever-growing attention owing to the scarcity of critical metals and potential environmental risk. Sulfation roasting, as traditional technology, is considered uneconomical and not environmentally friendly due to tremendous consumption of energy and emission of waste gases such as SO2 or SO3. Hereby, a novel and cleaner sulfation roasting-a water leaching process is proposed to recover valuable metals from spent LiCoO2 (LCO) batteries. It is found that sulfur can be recirculated thoroughly in the form of SO42- without the emission of SOx during the sulfation roasting process. Besides, the addition of graphite can promote the conversion of LiCoO2 under relatively milder conditions than those of traditional sulfation roasting. To further understand the conversion mechanism of LCO, the effects of various parameters including roasting temperature, roasting time, the mass ratio of carbon, and the molar ratio of H2SO4 during the recovery of Li and Co were investigated. Approximately, 92% of the global Li can be recovered as Li2CO3 with a purity as high as 99.76%, and almost 100% of Co can be recovered in the form of CoSO4 by sulfuric acid leaching. This work proposes a practicable and promising strategy for recycling valuable metals from spent LCO batteries. Meanwhile, the synergic mechanisms on carbon and sulfur for enhancing the selectivity of metal extraction are revealed.
资助项目National Natural Science Foundation of China[51874269] ; National Natural Science Foundation of China[52004263] ; National Natural Science Foundation of China[51934006] ; Research fund of Shanghai Polytechnic University[EGD19YJ0053] ; Gaoyuan Discipline of Shanghai-Environmental Science and Engineering (Resource Recycling Science and Engineering) ; Key Program of Chinese Academy of Sciences[ZDRW_CN_2020-1] ; Key Program of Innovation Academy for Green Manufacture, Chinese Academy of Sciences[IAGM-2019-A15]
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Engineering
语种英语
出版者AMER CHEMICAL SOC
WOS记录号WOS:000618670600027
资助机构National Natural Science Foundation of China ; Research fund of Shanghai Polytechnic University ; Gaoyuan Discipline of Shanghai-Environmental Science and Engineering (Resource Recycling Science and Engineering) ; Key Program of Chinese Academy of Sciences ; Key Program of Innovation Academy for Green Manufacture, Chinese Academy of Sciences
源URL[http://ir.ipe.ac.cn/handle/122111/43566]  
专题中国科学院过程工程研究所
通讯作者Zhang, Xihua; Sun, Zhi
作者单位1.Shanghai Polytech Univ, WEEE Res Ctr, Res Ctr Resource Recycling Sci & Engn, Shanghai 201209, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Innovat Acad Green Manufacture, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714		 Xu, Ping,Liu, Chunwei,Zhang, Xihua,et al. Synergic Mechanisms on Carbon and Sulfur during the Selective Recovery of Valuable Metals from Spent Lithium-Ion Batteries[J]. ACS SUSTAINABLE CHEMISTRY & ENGINEERING,2021,9(5):2271-2279.
APA Xu, Ping.,Liu, Chunwei.,Zhang, Xihua.,Zheng, Xiaohong.,Lv, Weiguang.,...&Sun, Zhi.(2021).Synergic Mechanisms on Carbon and Sulfur during the Selective Recovery of Valuable Metals from Spent Lithium-Ion Batteries.ACS SUSTAINABLE CHEMISTRY & ENGINEERING,9(5),2271-2279.
MLA Xu, Ping,et al."Synergic Mechanisms on Carbon and Sulfur during the Selective Recovery of Valuable Metals from Spent Lithium-Ion Batteries".ACS SUSTAINABLE CHEMISTRY & ENGINEERING 9.5(2021):2271-2279.

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来源：过程工程研究所

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