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Issue 47, 2018
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Tulip-like MoS2 with a single sheet tapered structure anchored on N-doped graphene substrates via C–O–Mo bonds for superior sodium storage

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Abstract

Tulip-like MoS2 with a tapered structure was assembled using a single-sheet anchored on N-doped graphene substrates (tulip-MoS2/NG) through an in situ technique with N-methyl-2-pyrrolidinone (NMP) as the “sacrificial agent” to promote C–O–Mo bond formation. As an anode for the Na+ battery, tulip-MoS2/NG electrodes exhibited excellent capacity retention (above 99% after 100 cycles at 0.1 A g−1) and long cycling stability (179 mA h g−1 at 1 A g−1 and 151 mA h g−1 at 5 A g−1 after 1000 cycles with a degradation below 110 μAh g−1 cycle−1). The excellent electrochemical performance could be attributed to the single-sheet tapered structure that functions as a self-support and promotes the stability of the tulip-MoS2/NG architecture. Moreover, the C–O–Mo bonds derived from the NMP molecular bridge fixed tulip-like MoS2 on the NG.

Graphical abstract: Tulip-like MoS2 with a single sheet tapered structure anchored on N-doped graphene substrates via C–O–Mo bonds for superior sodium storage

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Publication details

The article was received on 22 Sep 2018, accepted on 04 Nov 2018 and first published on 07 Nov 2018


Article type: Paper
DOI: 10.1039/C8TA09221D
Citation: J. Mater. Chem. A, 2018,6, 24433-24440

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    Tulip-like MoS2 with a single sheet tapered structure anchored on N-doped graphene substrates via C–O–Mo bonds for superior sodium storage

    T. Wang, X. Shen, J. Huang, Q. Xi, Y. Zhao, Q. Guo, X. Wang and Z. Xu, J. Mater. Chem. A, 2018, 6, 24433
    DOI: 10.1039/C8TA09221D

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