Article(id=1319236711989760103, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236705027207343, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20220052, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1642348800000, receivedDateStr=2022-01-17, revisedDate=1645718400000, revisedDateStr=2022-02-25, acceptedDate=null, acceptedDateStr=null, onlineDate=1792460142370, onlineDateStr=2026-10-20, pubDate=1666195200000, pubDateStr=2022-10-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792460142370, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792460142370, creator=13701087609, updateTime=1792460142370, updator=13701087609, issue=Issue{id=1319236705027207343, tenantId=1146029695717560320, journalId=1263187385517883426, year='2022', volume='50', issue='10', pageStart='2579', pageEnd='2808', issueExtLink='null', onlineDate='null', pubDate='1666195200000', pubDateStr='2022-10-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792460140711, creator='13701087609', updateTime=1792460672919, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319238937323884737, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236705027207343, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319238937323884738, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236705027207343, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=2579, endPage=2590, ext={EN=ArticleExt(id=1319236712363053160, articleId=1319236711989760103, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Cl-Doping Lithium-Rich Cathode Material Li1.2Ni0.13Co0.13Mn0.54O2 for Regulating Lattice Oxygen Reactivity and Electrochemical Performance, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

Lithium-rich cathode materials have attracted great interests due to their advantages, such as high energy density and wide voltage window. However, their shortcomings like low initial coulombic efficiency and poor cycle performance have hindered their commercial application. Lithium-rich cathode materials Li1.2Ni0.13Co0.13Mn0.54O2-xClx (x=0, 0.025, 0.050, 0.100) with different molar ratios of chloride ion (Cl-) doping were prepared by a co-precipitation method. The regulation mechanism of Cl- doping on the improvement of the electrochemical performance was investigated by X-ray photoelectron spectroscopy, in-situ X-ray diffraction and galvanostatic intermittent titration analysis. Compared with the pristine material, the initial coulombic efficiency of the cathode material with Cl-doping in a molar ratio of 0.05 increases from 72.8% to 81.5% at 0.2 C, and the capacity retention increases from 57.9% to 79.1% after 200 cycles at 1 C. It is indicated that Cl-doping can regulate the electrochemical behavior of O2- by oxidizing the more into On- (n<2) and less production of oxygen gas, thus reducing the structural deterioration. Meanwhile, the larger ion radius of Cl- can expand the layer spacing, reduce the polarization and accelerate the lithium ions diffusion in the lithium-rich and manganese-based cathode material, thereby enhancing the initial coulombic efficiency and the cycle performance.

, authors=Guojun ZHOU, Yifan Qu, Afei LI, Weijian TANG, Zhangxian CHEN, Zeheng YANG, Weixin ZHANG, authorsList=Guojun ZHOU, Yifan Qu, Afei LI, Weijian TANG, Zhangxian CHEN, Zeheng YANG, Weixin ZHANG, authorCompany=null, correspAuthors=Weixin ZHANG, authorNote=

ZHOU Guojun (1995-), male, Master candidate. E-mail:

, correspAuthorsNote=
ZHANG Weixin (1969-), female, Ph.D., Professor. E-mail:
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富锂正极材料因具有能量密度高、电压窗口大等优点受到关注,然而首次Coulombic效率低、循环性能差等缺点阻碍了其商业化应用。采用共沉淀法并通过不同摩尔比的氯离子(Cl-)掺杂制备了Li1.2Ni0.13Co0.13Mn0.54O2-xClx(x=0,0.025,0.050,0.100)富锂正极材料。通过X射线光电子能谱、原位X射线衍射和恒电流间歇滴定等技术系统研究了Cl-掺杂对其电化学性能提升的调控机制。结果表明:Cl-掺杂量为0.05时,该正极材料在0.2 C倍率下首次Coulombic效率由72.8%提升至81.5%,在1 C倍率下经200圈循环,容量保持率由57.9%提升至79.1%。材料优异的电化学性能归因于Cl-掺杂能调控材料中O2-的电化学行为,使其更多氧化为On-(n<2),抑制O2的产生和逸出,减小结构的破坏。同时,由于Cl-具有较大的离子半径,能扩大富锂材料的层间距,降低极化过电位,加快锂离子扩散速率,因此有效提升富锂正极材料的首次Coulombic效率和循环性能。

, authors=周国俊, 瞿翊帆, 李阿飞, 唐伟建, 陈章贤, 杨则恒, 张卫新, authorsList=周国俊, 瞿翊帆, 李阿飞, 唐伟建, 陈章贤, 杨则恒, 张卫新, authorCompany=null, correspAuthors=张卫新, authorNote=

周国俊(1995—),男,硕士研究生。

, correspAuthorsNote=
张卫新(1969—),女,博士,教授。
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氯掺杂富锂正极材料Li1.2Ni0.13Co0.13Mn0.54O2调控晶格氧反应活性及电化学性能
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周国俊 , 瞿翊帆 , 李阿飞 , 唐伟建 , 陈章贤 , 杨则恒 , 张卫新
硅酸盐学报 | 研究论文 2022,50(10): 2579-2590
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硅酸盐学报 |研究论文 2022 , 50 (10) : 2579 -2590
氯掺杂富锂正极材料Li1.2Ni0.13Co0.13Mn0.54O2调控晶格氧反应活性及电化学性能
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周国俊 , 瞿翊帆, 李阿飞, 唐伟建, 陈章贤, 杨则恒, 张卫新
作者信息
  • 合肥工业大学化学与化工学院,可控化学与材料化工安徽省重点实验室,合肥 230009
通讯作者:
张卫新(1969—),女,博士,教授。
作者简介:

周国俊(1995—),男,硕士研究生。

Cl-Doping Lithium-Rich Cathode Material Li1.2Ni0.13Co0.13Mn0.54O2 for Regulating Lattice Oxygen Reactivity and Electrochemical Performance
Guojun ZHOU , Yifan Qu, Afei LI, Weijian TANG, Zhangxian CHEN, Zeheng YANG, Weixin ZHANG
Affiliations
  • School of Chemistry and Chemical Engineering, Hefei University of Technology, Anhui Key Laboratory of Controllable Chemical Reaction & Material Chemical Engineering, Hefei 230009, China
  • Corresponding Author:
    ZHANG Weixin (1969-), female, Ph.D., Professor. E-mail:

    ZHOU Guojun (1995-), male, Master candidate. E-mail:

出版时间: 2022-10-20 doi: 10.14062/j.issn.0454-5648.20220052
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富锂正极材料因具有能量密度高、电压窗口大等优点受到关注,然而首次Coulombic效率低、循环性能差等缺点阻碍了其商业化应用。采用共沉淀法并通过不同摩尔比的氯离子(Cl-)掺杂制备了Li1.2Ni0.13Co0.13Mn0.54O2-xClx(x=0,0.025,0.050,0.100)富锂正极材料。通过X射线光电子能谱、原位X射线衍射和恒电流间歇滴定等技术系统研究了Cl-掺杂对其电化学性能提升的调控机制。结果表明:Cl-掺杂量为0.05时,该正极材料在0.2 C倍率下首次Coulombic效率由72.8%提升至81.5%,在1 C倍率下经200圈循环,容量保持率由57.9%提升至79.1%。材料优异的电化学性能归因于Cl-掺杂能调控材料中O2-的电化学行为,使其更多氧化为On-(n<2),抑制O2的产生和逸出,减小结构的破坏。同时,由于Cl-具有较大的离子半径,能扩大富锂材料的层间距,降低极化过电位,加快锂离子扩散速率,因此有效提升富锂正极材料的首次Coulombic效率和循环性能。

锂离子电池  /  富锂正极材料  /  阴离子掺杂  /  循环性能

Lithium-rich cathode materials have attracted great interests due to their advantages, such as high energy density and wide voltage window. However, their shortcomings like low initial coulombic efficiency and poor cycle performance have hindered their commercial application. Lithium-rich cathode materials Li1.2Ni0.13Co0.13Mn0.54O2-xClx (x=0, 0.025, 0.050, 0.100) with different molar ratios of chloride ion (Cl-) doping were prepared by a co-precipitation method. The regulation mechanism of Cl- doping on the improvement of the electrochemical performance was investigated by X-ray photoelectron spectroscopy, in-situ X-ray diffraction and galvanostatic intermittent titration analysis. Compared with the pristine material, the initial coulombic efficiency of the cathode material with Cl-doping in a molar ratio of 0.05 increases from 72.8% to 81.5% at 0.2 C, and the capacity retention increases from 57.9% to 79.1% after 200 cycles at 1 C. It is indicated that Cl-doping can regulate the electrochemical behavior of O2- by oxidizing the more into On- (n<2) and less production of oxygen gas, thus reducing the structural deterioration. Meanwhile, the larger ion radius of Cl- can expand the layer spacing, reduce the polarization and accelerate the lithium ions diffusion in the lithium-rich and manganese-based cathode material, thereby enhancing the initial coulombic efficiency and the cycle performance.

lithium ion battery  /  lithium-rich cathode material  /  anion doping  /  cycle performance
周国俊, 瞿翊帆, 李阿飞, 唐伟建, 陈章贤, 杨则恒, 张卫新. 氯掺杂富锂正极材料Li1.2Ni0.13Co0.13Mn0.54O2调控晶格氧反应活性及电化学性能. 硅酸盐学报, 2022 , 50 (10) : 2579 -2590 . DOI: 10.14062/j.issn.0454-5648.20220052
Guojun ZHOU, Yifan Qu, Afei LI, Weijian TANG, Zhangxian CHEN, Zeheng YANG, Weixin ZHANG. Cl-Doping Lithium-Rich Cathode Material Li1.2Ni0.13Co0.13Mn0.54O2 for Regulating Lattice Oxygen Reactivity and Electrochemical Performance[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (10) : 2579 -2590 . DOI: 10.14062/j.issn.0454-5648.20220052
  • 国家自然科学基金项目(91834301; 91534102)
  • 安徽省科技重大专项(201903a05020021)
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doi: 10.14062/j.issn.0454-5648.20220052
  • 接收时间:2022-01-17
  • 首发时间:2026-10-20
  • 出版时间:2022-10-20
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  • 收稿日期:2022-01-17
  • 修回日期:2022-02-25
基金
国家自然科学基金项目(91834301; 91534102)
安徽省科技重大专项(201903a05020021)
作者信息
    合肥工业大学化学与化工学院,可控化学与材料化工安徽省重点实验室,合肥 230009

通讯作者:

张卫新(1969—),女,博士,教授。
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2种不同金属材料的力学参数
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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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