Article(id=1311349777606991987, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1311349772552859828, articleNumber=null, orderNo=null, doi=10.13355/j.cnki.sfyj.2025.06.005, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1747324800000, receivedDateStr=2025-05-16, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1790579750682, onlineDateStr=2026-09-28, pubDate=1766160000000, pubDateStr=2025-12-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1790579750682, onlineIssueDateStr=2026-09-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1790579750682, creator=13701087609, updateTime=1790579750682, updator=13701087609, issue=Issue{id=1311349772552859828, tenantId=1146029695717560320, journalId=1146120122248306696, year='2025', volume='44', issue='6', pageStart='707', pageEnd='838', issueExtLink='null', onlineDate='null', pubDate='1766160000000', pubDateStr='2025-12-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1790579749477, creator='13701087609', updateTime=1790588567303, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1311386757267022261, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1311349772552859828, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1311386757267022262, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1311349772552859828, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=740, endPage=748, ext={EN=ArticleExt(id=1311349777820901492, articleId=1311349777606991987, tenantId=1146029695717560320, journalId=1146120122248306696, language=EN, title=Preparation and Electrochemical Performance of Li0.08La0.64Nb2O6 Anode Material for Lithium-ion Batteries, columnId=1152626641181700664, journalTitle=Hydrometallurgy of China, columnName=Experiment Research, runingTitle=null, highlight=null, articleAbstract=

The synthesis of micrometer-sized Li0.08La0.64Nb2O6 anode material for lithium-ion batteries via a high-temperature solid-phase method was investigated and its structure and electrochemical properties were analyzed and discussed by X-ray powder diffraction (XRD) and cyclic voltammetry (CV). Structural characterization reveals that the material crystallizes in an orthorhombic system (space group Pmmm) and its ordered A-site defect layers, synergistically coupled with the rigid [NbO6] octahedral framework, construct percolating lithium-ion transport channels. Electrochemical testing results demonstrate that at a current density of 0.05 A/g, the material delivers a discharge specific capacity of 355.57 mAh/g after 100 cycles, with a capacity retention rate of 94.4%. The capacity retention remains at 84.9% after 3 000 cycles at a high rate of 1 A/g. Analysis of the pseudocapacitive contribution indicates a pseudocapacitive contribution rate of 88% at a scan rate of 1 mV/s. The kinetic index b ranges from 0.771 to 0.895, confirming that its charge storage mechanism is predominantly surface-controlled pseudocapacitance. Galvanostatic intermittent titration technique (GITT) measurements yield a lithium-ion diffusion coefficient of 5.79×10-11 cm2/s, indicating excellent ion transport capability. The research results can provide theoretical references for the development of A-site defective niobium-based perovskite materials and their application in lithium-ion batteries.

, authors=Jie LIAO, Zhonglin LI, FengQi LU, authorsList=Jie LIAO, Zhonglin LI, FengQi LU, authorCompany=null, correspAuthors=FengQi LU, 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=1311349778181611637, articleId=1311349777606991987, tenantId=1146029695717560320, journalId=1146120122248306696, language=CN, title=Li0.08La0.64Nb2O6锂离子电池负极材料的制备及其电化学性能研究, columnId=1152626641328501305, journalTitle=湿法冶金, columnName=试验研究, runingTitle=null, highlight=null, articleAbstract=

研究了采用高温固相法合成微米级Li0.08La0.64Nb2O6锂离子电池负极材料,并采用X射线粉末衍射、循环伏安测试等分析探讨了其结构和电化学性能。结构表征结果表明,该材料为正交晶系(空间群Pmmm),其有序的A位缺陷层与刚性[NbO6]八面体骨架协同构建了贯通型锂离子传输通道。电化学测试结果表明,在电流密度为0.05 A/g下,材料经100次循环后放电比容量仍可达355.57 mAh/g,容量保持率为94.4%;经3 000次高倍率(1 A/g)循环后容量保持率为84.9%。赝电容贡献分析结果表明,该材料在扫描速度为1 mV/s下赝电容贡献率达88%,动力学指数b为0.771~0.895,证实其电荷存储以表面主导的赝电容机制为主。GITT测试结果表明,锂离子扩散系数为5.79×10-11 cm2/s,具有优异的离子传输能力。该研究结果可为A位缺陷型铌基钙钛矿材料的开发及其在锂离子电池中的应用提供理论参考。

, authors=廖洁, 李中林, 卢锋奇, authorsList=廖洁, 李中林, 卢锋奇, authorCompany=null, correspAuthors=卢锋奇, authorNote=

廖洁(2000—),女,硕士研究生,主要研究方向为有锂离子电池负极材料。

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卢锋奇(1984—),男,博士,副研究员,主要研究方向为锂离子电池电极及导体的合成、结构和性能分析。E-mail: 。
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Li0.08La0.64Nb2O6锂离子电池负极材料的制备及其电化学性能研究
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廖洁 , 李中林 , 卢锋奇
湿法冶金 | 试验研究 2025,44(6): 740-748
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湿法冶金 |试验研究 2025 , 44 (6) : 740 -748
Li0.08La0.64Nb2O6锂离子电池负极材料的制备及其电化学性能研究
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廖洁, 李中林, 卢锋奇
作者信息
  • 桂林理工大学 材料科学与工程学院,广西 桂林 541004
通讯作者:
卢锋奇(1984—),男,博士,副研究员,主要研究方向为锂离子电池电极及导体的合成、结构和性能分析。E-mail: 。
作者简介:

廖洁(2000—),女,硕士研究生,主要研究方向为有锂离子电池负极材料。

Preparation and Electrochemical Performance of Li0.08La0.64Nb2O6 Anode Material for Lithium-ion Batteries
Jie LIAO, Zhonglin LI, FengQi LU
Affiliations
  • Department of Materials Science and Engineering, Guilin University of Technology, Guilin 541000, China
出版时间: 2025-12-20 doi: 10.13355/j.cnki.sfyj.2025.06.005
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研究了采用高温固相法合成微米级Li0.08La0.64Nb2O6锂离子电池负极材料,并采用X射线粉末衍射、循环伏安测试等分析探讨了其结构和电化学性能。结构表征结果表明,该材料为正交晶系(空间群Pmmm),其有序的A位缺陷层与刚性[NbO6]八面体骨架协同构建了贯通型锂离子传输通道。电化学测试结果表明,在电流密度为0.05 A/g下,材料经100次循环后放电比容量仍可达355.57 mAh/g,容量保持率为94.4%;经3 000次高倍率(1 A/g)循环后容量保持率为84.9%。赝电容贡献分析结果表明,该材料在扫描速度为1 mV/s下赝电容贡献率达88%,动力学指数b为0.771~0.895,证实其电荷存储以表面主导的赝电容机制为主。GITT测试结果表明,锂离子扩散系数为5.79×10-11 cm2/s,具有优异的离子传输能力。该研究结果可为A位缺陷型铌基钙钛矿材料的开发及其在锂离子电池中的应用提供理论参考。

锂离子电池  /  微米级负极材料  /  A位缺陷钙钛矿  /  赝电容  /  电化学性能

The synthesis of micrometer-sized Li0.08La0.64Nb2O6 anode material for lithium-ion batteries via a high-temperature solid-phase method was investigated and its structure and electrochemical properties were analyzed and discussed by X-ray powder diffraction (XRD) and cyclic voltammetry (CV). Structural characterization reveals that the material crystallizes in an orthorhombic system (space group Pmmm) and its ordered A-site defect layers, synergistically coupled with the rigid [NbO6] octahedral framework, construct percolating lithium-ion transport channels. Electrochemical testing results demonstrate that at a current density of 0.05 A/g, the material delivers a discharge specific capacity of 355.57 mAh/g after 100 cycles, with a capacity retention rate of 94.4%. The capacity retention remains at 84.9% after 3 000 cycles at a high rate of 1 A/g. Analysis of the pseudocapacitive contribution indicates a pseudocapacitive contribution rate of 88% at a scan rate of 1 mV/s. The kinetic index b ranges from 0.771 to 0.895, confirming that its charge storage mechanism is predominantly surface-controlled pseudocapacitance. Galvanostatic intermittent titration technique (GITT) measurements yield a lithium-ion diffusion coefficient of 5.79×10-11 cm2/s, indicating excellent ion transport capability. The research results can provide theoretical references for the development of A-site defective niobium-based perovskite materials and their application in lithium-ion batteries.

lithium-ion battery  /  micrometer-sized anode material  /  A-site defect perovskite  /  pseudocapacitance  /  electrochemical performance
廖洁, 李中林, 卢锋奇. Li0.08La0.64Nb2O6锂离子电池负极材料的制备及其电化学性能研究. 湿法冶金, 2025 , 44 (6) : 740 -748 . DOI: 10.13355/j.cnki.sfyj.2025.06.005
Jie LIAO, Zhonglin LI, FengQi LU. Preparation and Electrochemical Performance of Li0.08La0.64Nb2O6 Anode Material for Lithium-ion Batteries[J]. Hydrometallurgy of China, 2025 , 44 (6) : 740 -748 . DOI: 10.13355/j.cnki.sfyj.2025.06.005
  • 国家自然科学基金资助项目(22269006)
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doi: 10.13355/j.cnki.sfyj.2025.06.005
  • 接收时间:2025-05-16
  • 首发时间:2026-09-28
  • 出版时间:2025-12-20
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  • 收稿日期:2025-05-16
基金
国家自然科学基金资助项目(22269006)
作者信息
    桂林理工大学 材料科学与工程学院,广西 桂林 541004

通讯作者:

卢锋奇(1984—),男,博士,副研究员,主要研究方向为锂离子电池电极及导体的合成、结构和性能分析。E-mail: 。
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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