Article(id=1311350573857862147, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1311350424792301947, articleNumber=null, orderNo=null, doi=10.13355/j.cnki.sfyj.2026.02.004, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1762272000000, receivedDateStr=2025-11-05, revisedDate=1765728000000, revisedDateStr=2025-12-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1790579940522, onlineDateStr=2026-09-28, pubDate=1776614400000, pubDateStr=2026-04-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1790579940522, onlineIssueDateStr=2026-09-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1790579940522, creator=13701087609, updateTime=1790579940522, updator=13701087609, issue=Issue{id=1311350424792301947, tenantId=1146029695717560320, journalId=1146120122248306696, year='2026', volume='45', issue='2', pageStart='129', pageEnd='272', issueExtLink='null', onlineDate='null', pubDate='1776614400000', pubDateStr='2026-04-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1790579904983, creator='13701087609', updateTime=1790588502603, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1311386485903942043, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1311350424792301947, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1311386485903942044, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1311350424792301947, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=161, endPage=169, ext={EN=ArticleExt(id=1311350575514612228, articleId=1311350573857862147, tenantId=1146029695717560320, journalId=1146120122248306696, language=EN, title=Mechanism of Extracting Cathode Materials from Spent Lithium-ion Batteries Using Deep Eutectic Solvents, columnId=1152626641181700664, journalTitle=Hydrometallurgy of China, columnName=Experiment Research, runingTitle=null, highlight=null, articleAbstract=

The recycling of valuable metals from spent lithium-ion batteries has significant economic and environmental benefits. The preparation of a low-viscosity eutectic solvent (DES) with excellent reducing properties using choline chloride, citric acid and ethylene glycol was studied. The DES was characterized by FT-IR, NMR and TG, and was used for the leaching of ternary lithium (NCM) cathode materials. The coordination dissolution mechanism of DES leaching NCM cathode materials was investigated by XRD, UV-Vis and FT-IR spectra. The results show that under the optimal leaching conditions of ethylene glycol addition of 30%, leaching temperature of 100 ℃, leaching time of 90 min, and liquid-solid mass ratio of 50/1 for DES, the leaching rates of Li, Mn, Co, and Ni in the cathode material are 95.98%, 96.73%, 98.58%, and 96.31%, respectively. The metal ions in the leachate can be efficiently recovered through the co-precipitation of anhydrous oxalic acid, and the precipitation rate of transition metal ions such as Mn, Co and Ni can reach over 95%. This recycling method can provide certaion technical reference for the green recycling of used lithium-ion batteries.

, authors=Peng SHEN¹, Quanmin DING¹, Yuekun WANG¹, Hu LIU², Xiangyang LOU², Suyun LIU², Yongmei LIANG¹, authorsList=Peng SHEN, Quanmin DING, Yuekun WANG, Hu LIU, Xiangyang LOU, Suyun LIU, Yongmei LIANG, authorCompany=null, correspAuthors=Suyun LIU, Yongmei LIANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1311350575804019205, articleId=1311350573857862147, tenantId=1146029695717560320, journalId=1146120122248306696, language=CN, title=低共熔溶剂浸出废旧锂离子电池正极材料的机制研究, columnId=1152626641328501305, journalTitle=湿法冶金, columnName=试验研究, runingTitle=null, highlight=null, articleAbstract=

回收废旧锂离子电池中的有价金属对经济和环境具有显著效益。研究了采用氯化胆碱、枸橼酸和乙二醇制备一种低黏度且具备优异还原性的低共熔溶剂（DES），采用FT-IR、NMR和TG对DES进行表征，并将其用于三元锂（NCM）正极材料的浸出，通过XRD、UV-Vis和FT-IR谱图探讨了DES浸出NCM正极材料的配位溶解机制。结果表明：DES在乙二醇添加量为30%、浸出温度100 ℃、浸出时间90 min、液固质量比为50/1 的最佳浸出条件下，正极材料中Li、Mn、Co、Ni浸出率分别为95.98%、96.73%、98.58%、96.31%；浸出液的金属离子通过无水草酸共沉淀可高效回收，Mn、Co、Ni过渡金属离子沉淀率达95%以上。该回收方法可为废旧锂离子电池的绿色回收提供一定技术参考。

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申鹏（1999—），男，硕士研究生，主要研究方向为废旧锂离子电池回收。

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申鹏（1999—），男，硕士研究生，主要研究方向为废旧锂离子电池回收。

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