Advanced N-doped mesoporous molybdenum disulfide nanosheets and the enhanced lithium-ion storage performance

Qin, Si, Lei, Weiwei, Liu, Dan and Chen, Ying 2016, Advanced N-doped mesoporous molybdenum disulfide nanosheets and the enhanced lithium-ion storage performance, Journal of materials chemistry a, vol. 4, no. 4, pp. 1440-1445, doi: 10.1039/c5ta10224c.

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Title Advanced N-doped mesoporous molybdenum disulfide nanosheets and the enhanced lithium-ion storage performance
Author(s) Qin, SiORCID iD for Qin, Si orcid.org/0000-0002-8127-4753
Lei, WeiweiORCID iD for Lei, Weiwei orcid.org/0000-0003-2698-299X
Liu, DanORCID iD for Liu, Dan orcid.org/0000-0001-6875-419X
Chen, YingORCID iD for Chen, Ying orcid.org/0000-0002-7322-2224
Journal name Journal of materials chemistry a
Volume number 4
Issue number 4
Start page 1440
End page 1445
Total pages 6
Publisher Royal Society of Chemistry
Place of publication Cambridge, Eng.
Publication date 2016
ISSN 2050-7488
2050-7496
Keyword(s) Science & Technology
Physical Sciences
Technology
Chemistry, Physical
Energy & Fuels
Materials Science, Multidisciplinary
Chemistry
Materials Science
CHEMICAL-VAPOR-DEPOSITION
MOS2 ATOMIC LAYERS
EXFOLIATED MOS2
MONOLAYER MOS2
ANODE MATERIAL
BATTERY ANODE
THIN-FILM
EVOLUTION
NITRIDE
CONDUCTIVITY
Summary With the increasing interest in two-dimensional van der Waals materials, molybdenum disulfide (MoS2) has emerged as a promising material for electronic and energy storage devices. It suffers from poor cycling stability and low rate capability when used as an anode in lithium ion batteries. Here, N-doped MoS2 nanosheets with 2-8 atomic layers, increased interlayer distance, mesoporous structure and high surface area synthesised by a simple sol-gel method show an enhanced lithium storage performance, delivering a high reversible capacity (998.0 mA h g-1, 50 mA g-1), high rate performance (610 mA h g-1, 2 A g-1), and excellent cycling stability. The excellent lithium storage performance of the MoS2 nanosheets might be due to the better electrical and ionic conductivity and improved lithium ion diffusion which are related to their structural characteristics and high concentration N doping. The possible mechanism of the improved performance is proposed and discussed.
Language eng
DOI 10.1039/c5ta10224c
Field of Research 100708 Nanomaterials
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Grant ID DE150101617
DE140100716
Copyright notice ©2016, Royal Society of Chemistry
Persistent URL http://hdl.handle.net/10536/DRO/DU:30082333

Document type: Journal Article
Collection: Institute for Frontier Materials
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