Article(id=1314907699477832165, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314907656704324517, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2026.01.034, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1753804800000, receivedDateStr=2025-07-30, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1791428025359, onlineDateStr=2026-10-08, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1791428025359, onlineIssueDateStr=2026-10-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1791428025359, creator=13701087609, updateTime=1791428025359, updator=13701087609, issue=Issue{id=1314907656704324517, tenantId=1146029695717560320, journalId=1235980550691926019, year='2026', volume='46', issue='1', pageStart='1', pageEnd='206', issueExtLink='null', onlineDate='null', pubDate='1769875200000', pubDateStr='2026-02-01', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1791428015160, creator='13701087609', updateTime=1791430491940, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1314918045139690301, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314907656704324517, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1314918045139690302, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314907656704324517, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=202, endPage=206, ext={EN=ArticleExt(id=1314907699893068262, articleId=1314907699477832165, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Synthesis of Cu/Ti Doped NaNi_0.4Mn_0.4Cu_0.1Ti_0.1O₂ and Its Electrochemical Performance, columnId=1236276108207902848, journalTitle=Mining and Metallurgical Engineering, columnName=MATERIALS, runingTitle=null, highlight=null, articleAbstract=

Considering collapse in crystalline structure and low diffusion rate of ions during the cycling of O3-NaNi_0.5Mn_0.5O₂ cathode material, a Cu²⁺-Ti⁴⁺doped NaNi_0.4Mn_0.4Cu_0.1Ti_0.1O₂ cathode material for sodium-ion batteries was synthesized by adopting a high-temperature solid-state reaction. Effects of doping with transition metal ions (Cu²⁺and Ti⁴⁺) on the crystal structure, microstructure, and electrochemical performance of NaNi_0.5Mn_0.5O₂ were explored. Results reveal that the NaNi_0.4Mn_0.4Cu_0.1Ti_0.1O₂ cathode material has a lamellar structure. Within a voltage range of 2-4 V, it delivers an initial discharge specific capacity of 96.7 mAh/g at 0.1C, and presents smooth charge/discharge curves, indicating fewer phase transition for NaNi_0.4Mn_0.4Cu_0.1Ti_0.1O₂. After 100 cycles at 0.1C, the capacity retention rate remains at 75.5%. In contrast, NaNi_0.5Mn_0.5O₂ cathode material delivers an initial discharge specific capacity of 88.8 mAh/g and retains 61.3% of such capacity under the same testing conditions.

, authors=Chengzuan LIU¹, Kui WANG^{2, 3, 4}, Zejun JIANG^{3, 5}, authorsList=Chengzuan LIU, Kui WANG, Zejun JIANG, authorCompany=null, correspAuthors=Kui WANG, 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=1314907702434816487, articleId=1314907699477832165, tenantId=1146029695717560320, journalId=1235980550691926019, language=CN, title=Cu/Ti掺杂的NaNi_0.4Mn_0.4Cu_0.1Ti_0.1O₂制备及其电化学性能研究, columnId=1236276110049202322, journalTitle=矿冶工程杂志, columnName=材料, runingTitle=null, highlight=null, articleAbstract=

针对O3-NaNi_0.5Mn_0.5O₂正极材料在循环过程中晶体结构坍塌和离子扩散速率较低等问题，采用简易的高温固相法合成了Cu²⁺和Ti⁴⁺双金属掺杂的NaNi_0.4Mn_0.4Cu_0.1Ti_0.1O₂钠离子电池正极材料，探究了Cu²⁺和Ti⁴⁺过渡金属离子掺杂对NaNi_0.5Mn_0.5O₂正极材料晶体结构、微观形貌和电化学性能的影响。结果表明，NaNi_0.4Mn_0.4Cu_0.1Ti_0.1O₂正极材料呈现层状形貌，在2~4 V电压范围内0.1C倍率下的首次放电比容量达到96.7 mAh/g，同时充放电曲线平缓，说明NaNi_0.4Mn_0.4Cu_0.1Ti_0.1O₂正极材料的相变较少，0.1C倍率下循环100次后的容量保持率为75.5%，NaNi_0.5Mn_0.5O₂正极材料在相同电化学测试条件下首次放电比容量为88.8 mAh/g，容量保持率为61.3%。

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刘呈缵（1997—），男，湖南邵阳人，主要研究方向为光储直柔技术等。E-mail: 1043937050@qq.com

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刘呈缵（1997—），男，湖南邵阳人，主要研究方向为光储直柔技术等。E-mail: 1043937050@qq.com

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