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Type: Journal article
Title: Enhanced electrochemical performance of MoS₂ for lithium ion batteries by simple chemical lithiation
Other Titles: Enhanced electrochemical performance of MoS(2) for lithium ion batteries by simple chemical lithiation
Author: Li, D.
Zhang, C.
Du, G.
Zeng, R.
Wang, S.
Guo, Z.
Chen, Z.
Liu, H.
Citation: Journal of the Chinese Chemical Society, 2012; 59(10):1196-1200
Publisher: Wiley
Issue Date: 2012
ISSN: 0009-4536
Statement of
Dan Li, Chaofeng Zhang, Guodong Du, Rong Zeng, Shiquan Wang, Zaiping Guo ... et al.
Abstract: Commercial MoS2 was lithiated by soaking in butyllithium in argon atmosphere. The lithiated samples (LixMoS2) exhibited greatly improved electrochemical performance. LixMoS2 showed a high reversible capacity of 669.5 mAh g‐1 and excellent cycling stability, with an average capacity loss of merely 0.065% per cycle. The rate capability of the LixMoS2 electrode was also improved compared to that of the unlithiated MoS2 electrode. The x‐ray diffraction and high resolution transmission electron microscopy (TEM) results prove that there was an increase in the c lattice parameter for the lithiated material. The magnetic properties and evaluations of conductivity in MoS2 and LixMoS2 show that the electric conductivity of LixMoS2 is much higher than that of MoS2. TEM images after 11 cycles demonstrated that the LixMoS2 electrode consisted of more uniform small particles, while big particle blocks could be observed for the MoS2 electrode. All of these might be favourable for the electrochemical performance.
Keywords: MoS2; lithiation; anode; lithium ion batteries
Rights: © 2012 The Chemical Society Located in Taipei & Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim, Germany
DOI: 10.1002/jccs.201200176
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Chemistry and Physics publications

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