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Facile fabrication of 3D flower-like V2Al1-xCTz as an anode for lithium-ion batteries
Liu, Rui Jia1,2; Yang, Ling Xu3; Lin, Guang Qiang3; Zhang, Tian Yu1,2; Bu, Huan Peng3; Liu, Hui Jun3; Zeng, Chao Liu3
Corresponding AuthorLiu, Hui Jun(hui_jun_liu@163.com) ; Zeng, Chao Liu(clzeng@imr.ac.cn)
2022-07-05
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume908Pages:10
AbstractHerein, the 3D flower-like V2Al1-xCTz with an estimated petaloid nanosheet thickness of 10-20 nm were firstly obtained by etching the submicro-sized V2AlC precursors, which were synthesized at 1000 ? holding for 5 h in (Na,K)Cl melt by a facile molten salt method, in 40 wt% HF at room temperature. The synthesis mechanism of V2AlC is possibly related to the disproportionation reaction of V-ions on carbon surface in molten salts to form V2C, followed by the intercalation of Al into V2C. Subsequently, the 3D flower-like V(2)Al(1-x)CTz was applied as an anode in lithium-ion batteries, releasing ~215.2 mA h g(-1) in the continuous 500 cycles at 0.5 A g(-1), which exhibits the superiority in the reversible capacity in contrast with some reported micro-sized layered V(2)CTz MXenes. Such excellent electrochemical characteristics of V(2)Al(1-x)CTz could be mainly ascribed to its unique submicro-sized flower-like morphology with high specific surface areas and abundant electrochemical sites for accommodating the reversible insertion/extraction of Li-ions. (C) 2022 Elsevier B.V. All rights reserved.
KeywordV2AlC Molten salt Flower-like V(2)Al(1-x)CTz Lithium-ion batteries Anode
Funding OrganizationNational Natural Science Foundation of China
DOI10.1016/j.jallcom.2022.164596
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51671204]
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000806389200002
PublisherELSEVIER SCIENCE SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/174354
Collection中国科学院金属研究所
Corresponding AuthorLiu, Hui Jun; Zeng, Chao Liu
Affiliation1.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
3.Songshan Lake Mat Lab, Dongguan 523808, Peoples R China
Recommended Citation
GB/T 7714
Liu, Rui Jia,Yang, Ling Xu,Lin, Guang Qiang,et al. Facile fabrication of 3D flower-like V2Al1-xCTz as an anode for lithium-ion batteries[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2022,908:10.
APA Liu, Rui Jia.,Yang, Ling Xu.,Lin, Guang Qiang.,Zhang, Tian Yu.,Bu, Huan Peng.,...&Zeng, Chao Liu.(2022).Facile fabrication of 3D flower-like V2Al1-xCTz as an anode for lithium-ion batteries.JOURNAL OF ALLOYS AND COMPOUNDS,908,10.
MLA Liu, Rui Jia,et al."Facile fabrication of 3D flower-like V2Al1-xCTz as an anode for lithium-ion batteries".JOURNAL OF ALLOYS AND COMPOUNDS 908(2022):10.
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