文献类型：期刊文献

英文题名：LiMn2O4 prepared from waste lithium ion batteries through sol-gel process

作者：Yao, Lu[1];Xi, Yuebin[2,4];Han, Huijuan[3];Li, Weiwei[1];Wang, Cunjing[1];Feng, Yong[1]

通讯作者：Yao, L[1];Xi, YB[2]

机构：[1]Xinxiang Univ, Sch Chem & Mat Engn, Xinxiang 453003, Henan, Peoples R China;[2]Qilu Univ Technol, Minist Educ, State Key Lab Biobased Mat & Green Papermaking, Key Lab Paper Sci & Technol, Jinan 250353, Peoples R China;[3]Henan Inst Sci & Technol, Sch Chem & Chem Engn, Xinxinag 453003, Peoples R China;[4]South China Univ Technol, State Key Lab Pulp & Paper Engn, Wushan Rd 381, Guangzhou 510640, Peoples R China

第一机构：新乡学院

通讯机构：[1]corresponding author), Xinxiang Univ, Sch Chem & Mat Engn, Xinxiang 453003, Henan, Peoples R China;[2]corresponding author), Qilu Univ Technol, Minist Educ, State Key Lab Biobased Mat & Green Papermaking, Key Lab Paper Sci & Technol, Jinan 250353, Peoples R China.|[11071]新乡学院;

年份：2021

卷号：868

外文期刊名：JOURNAL OF ALLOYS AND COMPOUNDS

收录：;WOS:【SCI-EXPANDED(收录号:WOS:000636039600109)】；

基金：This research was supported by a grant from the National Natural Science Foundation of China (51902278), Key Scientific Research Project Plan of Henan University (19A610008, 20A150017, and 19A150040), Natural Science Foundation of Shandong Province Youth Project (ZR2020QB197), State Key Laboratory of Pulp and Paper Engineering (202005), and State Key Laboratory of Biobased Material and Green Papermaking (ZZ20200101), Qilu University of Technology.

语种：英文

外文关键词：Waste lithium ion battery; LiMn2O4; Glucose; Sol-gel method

摘要：The core issues that restrict the recycling of waste lithium-ion batteries (LIBs) are the difficulty of separation and the secondary pollution that occurs during the recycling process. In this paper, new LiMn2O4 (LMO) was prepared directly from the leaching solution of waste LIBs, which avoided the complex separation process. Citric acid was used as the leaching reagent, and glucose was used as the reducing agent. The structural properties of the resynthesized LMOs calcined at different temperatures were studied by X-ray diffraction (XRD) and further refined by the Rietveld method. XRD and Rietveld refinement confirmed that all the samples had cubic spinel structures, and the lattice parameters increased with increasing temperature. The surface morphology of the final products was characterized by SEM, TEM and XPS to determine the crystal structure, morphology and surface chemical constitution. The electrochemical properties were also tested. The results showed that the new LiMn2O4 prepared from waste LIBs possessed good electrochemical properties, and this method for recycling waste lithium-ion batteries is feasible. (C) 2021 Elsevier B.V. All rights reserved.