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Submicro-sized and partially etched V2AlxCTz as an anode for lithium-ion storage
Liu, Rui Jia1,2; Yang, Ling Xu3; Wang, Ying1,2; Liu, Hui Jun3; Zeng, Chao Liu3
Corresponding AuthorLiu, Hui Jun(hui_jun_liu@163.com) ; Zeng, Chao Liu(clzeng@imr.ac.cn)
2022-01-25
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume891Pages:14
AbstractVanadium-based MXenes are prospective as anode materials in energy-storage devices including lithium ion batteries (LIBs) but limited by their charge-discharge capacities. Herein, partially-etched V2AlxCTz with the average particle size of similar to 400 nm was synthesized using 40 wt% HF or mixed NaF+HCl solutions as etchants, respectively. V2AlxCTz etched by 40 wt% HF for 96 h at room temperature (RT) has more exceptional charge-discharge performances against mixed NaF+HCl solutions, with an average reversible capacity of similar to 450 mAh g(-1) at 0.1 A g(-1) in the 120 cycles and similar to 301.2 mAh g(-1) at 0.5 A g(-1) after 200 cycles in LIBs. The effect of etchants on electrochemical performances and lithium-ion (Li-ion) storage mechanism of V2AlxCTz was discussed comprehensively. Additionally, a Li-ion full cell using LiFePO4 as cathode has exhibited excellent electrochemical performance (150.4 mAh g(-1) at 0.1 C). This work illustrates that partially-etched V2AlxCTz with the submicro-sized distribution is also a promising anode material for LIBs. (C) 2021 Elsevier B.V. All rights reserved.
KeywordPartially etched V2AlxCTz Etchants Anode material Lithium-ion batteries Mechanism
Funding OrganizationNational Natural Science Foundation of China
DOI10.1016/j.jallcom.2021.161904
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:000706404800003
PublisherELSEVIER SCIENCE SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/166640
Collection中国科学院金属研究所
Corresponding AuthorLiu, Hui Jun; Zeng, Chao Liu
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, 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,Wang, Ying,et al. Submicro-sized and partially etched V2AlxCTz as an anode for lithium-ion storage[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2022,891:14.
APA Liu, Rui Jia,Yang, Ling Xu,Wang, Ying,Liu, Hui Jun,&Zeng, Chao Liu.(2022).Submicro-sized and partially etched V2AlxCTz as an anode for lithium-ion storage.JOURNAL OF ALLOYS AND COMPOUNDS,891,14.
MLA Liu, Rui Jia,et al."Submicro-sized and partially etched V2AlxCTz as an anode for lithium-ion storage".JOURNAL OF ALLOYS AND COMPOUNDS 891(2022):14.
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