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Defect-free MoS2-flakes/amorphous-carbon hybrid as an advanced anode for lithium-ion batteries
Dinh, Duc Anh1; Nguyen, Tuan Loi3; Cuong, Tran Viet1; Hui, Kwan San4; Bui, Trung Hieu1; Wu, Shuxing5; Hui, Kwun Nam2
2021-02-18
Source PublicationENERGY & FUELS
ISSN0887-0624
Volume35Issue:4Pages:3459-3468
Abstract

Molybdenum disulfide (MoS2) is a promising alternative for the anode of Li-ion batteries because of its high theoretical capacity and layered structure for rapid ion transport. However, the issues of low electrical conductivity, high volume change, and complicated synthesis are limiting the practical application of MoS2 as the anode in Li-ion batteries. To overcome these issues, we propose the synthesis of MoS2 flakes/amorphous carbon hybrids (MoS2/C) for the application of the anode. The MoS2 flakes are obtained by liquid-phase exfoliation of bulk MoS2 in 2-propanol. Then, MoS2/C hybrids are produced by thermal decomposition of poly(acrylic acid) coated on MoS2. The hybrids are tested as anode-active materials in a half-cell configuration. The electrochemical tests show that the electrode, with the optimized carbon content, exhibits a reversible specific capacity of ∼521 mAh g-1 at 100 mA g-1 after 100 cycles, with a coulombic efficiency approaching 100%. The remarkable performance of the MoS2/ C hybrids is attributed to the carbon network acting as a buffer layer to alleviate the volume change of MoS2. This study demonstrates an approach to enhance the electrochemical performance of MoS2/C hybrids for Li+ storage applications.

DOI10.1021/acs.energyfuels.0c03896
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Chemical
WOS IDWOS:000621416200047
PublisherAMER CHEMICAL SOC, 1155 16TH ST, NW, WASHINGTON, DC 20036
Scopus ID2-s2.0-85101454391
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Citation statistics
Document TypeJournal article
CollectionINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding AuthorDinh, Duc Anh; Hui, Kwun Nam
Affiliation1.NTT Hi-Tech Institute, Nguyen Tat Thanh University, Ho Chi Minh City, 700000, Viet Nam
2.Institute of Applied Physics and Materials Engineering, University of Macau, 999078, Macao
3.Institute of Fundamental and Applied Sciences, Faculty of Environmental and Chemical Engineering, Duy Tan University, Ho Chi Minh City, 700000, Viet Nam
4.Engineering, University of East Anglia, Norwich, NR4 7TJ, United Kingdom
5.School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, China
Corresponding Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Recommended Citation
GB/T 7714
Dinh, Duc Anh,Nguyen, Tuan Loi,Cuong, Tran Viet,et al. Defect-free MoS2-flakes/amorphous-carbon hybrid as an advanced anode for lithium-ion batteries[J]. ENERGY & FUELS, 2021, 35(4), 3459-3468.
APA Dinh, Duc Anh., Nguyen, Tuan Loi., Cuong, Tran Viet., Hui, Kwan San., Bui, Trung Hieu., Wu, Shuxing., & Hui, Kwun Nam (2021). Defect-free MoS2-flakes/amorphous-carbon hybrid as an advanced anode for lithium-ion batteries. ENERGY & FUELS, 35(4), 3459-3468.
MLA Dinh, Duc Anh,et al."Defect-free MoS2-flakes/amorphous-carbon hybrid as an advanced anode for lithium-ion batteries".ENERGY & FUELS 35.4(2021):3459-3468.
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