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Issue 1, 2017
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Greigite Fe3S4 as a new anode material for high-performance sodium-ion batteries

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Abstract

Transition metal dichalcogenide materials have been considered as promising anode materials for rechargeable sodium-ion batteries because of their high specific capacity and low cost. Here, we demonstrate an iron sulfide Fe3S4 as a new anode material for a rechargeable sodium-ion battery. The involved conversion mechanism has been proved when the as-prepared Fe3S4 was used as the host material for sodium storage. Remarkably, a compound FeSx with quantum size generated by conversion reaction overcame the kinetic and thermodynamic constraints of chemical conversion to achieve superior cycling and rate capability. As a result, the as-prepared Fe3S4 electrode delivers a high reversible specific capacity of 548 mA h g−1 at 0.2 A g−1, together with an excellent cycling stability of 275 mA h g−1 after 3500 cycles at 20 A g−1.

Graphical abstract: Greigite Fe3S4 as a new anode material for high-performance sodium-ion batteries

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Publication details

The article was received on 21 Jun 2016, accepted on 31 Jul 2016 and first published on 01 Aug 2016


Article type: Edge Article
DOI: 10.1039/C6SC02716D
Citation: Chem. Sci., 2017,8, 160-164
  • Open access: Creative Commons BY license
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    Greigite Fe3S4 as a new anode material for high-performance sodium-ion batteries

    Q. Li, Q. Wei, W. Zuo, L. Huang, W. Luo, Q. An, V. O. Pelenovich, L. Mai and Q. Zhang, Chem. Sci., 2017, 8, 160
    DOI: 10.1039/C6SC02716D

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