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Kinetics study and recycling strategies in different stages of full-component pyrolysis of spent LiNixCoyMnzO2 lithium-ion batteries

文献类型：期刊论文

作者Tao, Ren1,2; Xing, Peng1; Li, Huiquan1,2; Cun, Zhigen1,2; Wang, Chenye1; Ma, Shengyue1,2; Sun, Zhenhua1
刊名WASTE MANAGEMENT
出版日期2023
卷号155页码:8-18
ISSN号0956-053X
关键词SpentLiNixCoyMnzO2 battery Pyrolysis kinetics Reaction stages In situ analysis Recycling strategy
DOI10.1016/j.wasman.2022.10.033
英文摘要Full-component pyrolysis has been proven to be a prospective method for the disposal of organic matters and the cathode material reduction of spent LiNixCoyMnzO2 (NCM) lithium-ion batteries (LIBs). However, the kinetics of the full-component pyrolysis of spent NCM LIBs is still unclear. This work represents the first attempt to study the kinetics of different stages of full-component pyrolysis of NCM LIBs based on isoconversional method to guide the recycling of spent LIBs. Pyrolysis process was divided into four stages in accordance to the main weight loss temperature ranges and the classical Kissinger-Akahira-Sunose and Flynn-Wall-Ozawa kinetics models were employed to calculate the activation energy (E) in each stage. The main physicochemical reactions were clarified though in situ analysis, and the average E in the four stages was determined: (I) The volatilization of electrolytes occurred in the temperature range of 100-200 degrees C with the E of 98.6 kJ/mol. (II) The decomposition of organic matters and the preliminary reduction of cathode material transpired in the temperature range of 400-500 degrees C with the E of 227.2 kJ/mol. (III) The further reduction of NiO and CoO occurred from 650 to 800 degrees C with the E of 258.8 kJ/mol. (IV) The reduction of MnO took place from 850 to 1000 degrees C with the E of 334.9 kJ/mol. The recycling strategies based on full-component pyrolysis of spent NCM LIBs was accordingly proposed. During pyrolysis, the cathode material was gradually reduced and the pyrolytic products can be controlled through temperature regulation.
WOS关键词RECOVERY ; TECHNOLOGY ; SEPARATION ; REDUCTION ; REMOVAL ; COBALT ; GAS
资助项目National Key Research and Devel- opment Program of China ; CAS Project for Young Scientists in Basic Research ; Chinese Academy of Sciences Key Deployment Projects ; Youth Innovation Promotion Association CAS ; [2021YFC2902501] ; [YSBR-044] ; [ZDRW_CN_2020-1] ; [2021045]
WOS研究方向Engineering ; Environmental Sciences & Ecology
语种英语
出版者PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号WOS:000882331100002
资助机构National Key Research and Devel- opment Program of China ; CAS Project for Young Scientists in Basic Research ; Chinese Academy of Sciences Key Deployment Projects ; Youth Innovation Promotion Association CAS
源URL[http://ir.ipe.ac.cn/handle/122111/55679]  
专题中国科学院过程工程研究所
通讯作者Li, Huiquan
作者单位1.Chinese Acad Sci, Inst Proc Engn, Natl Engn Res Ctr Green Recycling Strateg Met Reso, CAS Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Chem Engn, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Tao, Ren,Xing, Peng,Li, Huiquan,et al. Kinetics study and recycling strategies in different stages of full-component pyrolysis of spent LiNixCoyMnzO2 lithium-ion batteries[J]. WASTE MANAGEMENT,2023,155:8-18.
APA Tao, Ren.,Xing, Peng.,Li, Huiquan.,Cun, Zhigen.,Wang, Chenye.,...&Sun, Zhenhua.(2023).Kinetics study and recycling strategies in different stages of full-component pyrolysis of spent LiNixCoyMnzO2 lithium-ion batteries.WASTE MANAGEMENT,155,8-18.
MLA Tao, Ren,et al."Kinetics study and recycling strategies in different stages of full-component pyrolysis of spent LiNixCoyMnzO2 lithium-ion batteries".WASTE MANAGEMENT 155(2023):8-18.

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来源：过程工程研究所

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