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Porous hierarchical TiO2/MoS2/RGO nanoflowers as anode material for sodium ion batteries with high capacity and stability
Ma,Jingyun1; Xing,Mengdi1; Yin,Longwei2; San Hui,Kwan3; Hui,Kwun Nam4
2021-01-15
Source PublicationApplied Surface Science
ISSN0169-4332
Volume536Pages:147735
Abstract

To enhance the reversible capacity and cycle stability of MoS2 as anode materials for sodium ion batteries (SIBs), we constructed a hybrid architecture composed of MoS2 and TiO2 nanosheets, linking with reduced graphene oxide (RGO) to another TiO2/MoS2 to form a nanoflower structure. Owing to layered RGO coupled with TiO2/MoS2 hybrid, such a composite offered interconnected conductive channels to short shuttle path of Na+ ions and favorable transport kinetics under charge/discharge cycling. Moreover, this unique structure showed a porous and hierarchical architecture, which not only buffered volume changes but also provided more electrochemical active sites during insertion/deintercalation processes of Na ions. Outstanding electrochemical performances were identified by the component matching effect among TiO2, MoS2 and RGO with a three-dimensional (3D) interconnected network, exhibiting a good reversible capacity of 616 mA h g−1 after 100 cycles at 0.1 A g−1, an excellent rate capability of 250 mA h g−1 even at 5A g−1 and a long cycling stability of 460 mA h g−1 with a capacity fluctuation of 0.03% per cycle within 350 cycles at 1 A g−1.

KeywordComponent Matching Effect Cycling Stability Interconnected Network Sodium Ion Batteries Tio2/mos2/rgo
DOI10.1016/j.apsusc.2020.147735
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaChemistry ; Materials Science ; Physics
WOS SubjectChemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000580627000030
PublisherELSEVIER, RADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS
Scopus ID2-s2.0-85090900224
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Document TypeJournal article
CollectionINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding AuthorMa,Jingyun; Yin,Longwei; Hui,Kwun Nam
Affiliation1.School of Materials Science and Engineering,Qilu University of Technology (Shandong Academy of Science),Jinan,250353,China
2.Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials,Ministry of Education,School of Materials Science and Engineering,Shandong University,Jinan,250061,China
3.Engineering Faculty of Science,University of East Anglia,Norwich,NR4 7TJ,United Kingdom
4.Institute of Applied Physics and Materials Engineering,University of Macau,Taipa,Avenida da Universidade,Macao
Corresponding Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Recommended Citation
GB/T 7714
Ma,Jingyun,Xing,Mengdi,Yin,Longwei,et al. Porous hierarchical TiO2/MoS2/RGO nanoflowers as anode material for sodium ion batteries with high capacity and stability[J]. Applied Surface Science, 2021, 536, 147735.
APA Ma,Jingyun., Xing,Mengdi., Yin,Longwei., San Hui,Kwan., & Hui,Kwun Nam (2021). Porous hierarchical TiO2/MoS2/RGO nanoflowers as anode material for sodium ion batteries with high capacity and stability. Applied Surface Science, 536, 147735.
MLA Ma,Jingyun,et al."Porous hierarchical TiO2/MoS2/RGO nanoflowers as anode material for sodium ion batteries with high capacity and stability".Applied Surface Science 536(2021):147735.
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