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Issue 47, 2015
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Nitrogen-doped carbon-encapsulated SnO2–SnS/graphene sheets with improved anodic performance in lithium ion batteries

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Abstract

A dual-doping approach for nitrogen-doped carbon-coated SnO2–SnS/graphene nanosheets (N–C@SnO2–SnS/GN) has been developed, using hydrothermal carbonization of sucrose with SnO2-decorated graphene and ammonium thiocyanate and a subsequent thermal treatment. The resulting hybrid manifests a typical two-dimensional core–shell architecture, with a N-doped carbon coating over the SnS- and SnO2-decorated graphene nanosheets. Used as the anode material in lithium ion batteries (LIBs), N–C@SnO2–SnS/GN delivers a high specific capacity of 1236 mA h g−1 at a current density of 0.1 A g−1 after 110 cycles, which outperforms most state-of-the-art tin-based LIB anodes with core–shell structures.

Graphical abstract: Nitrogen-doped carbon-encapsulated SnO2–SnS/graphene sheets with improved anodic performance in lithium ion batteries

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Publication details

The article was received on 22 Aug 2015, accepted on 28 Oct 2015 and first published on 28 Oct 2015


Article type: Paper
DOI: 10.1039/C5TA06617D
Citation: J. Mater. Chem. A, 2015,3, 24148-24154
  • Open access: Creative Commons BY-NC license
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    Nitrogen-doped carbon-encapsulated SnO2–SnS/graphene sheets with improved anodic performance in lithium ion batteries

    J. Shan, Y. Liu, P. Liu, Y. Huang, Y. Su, D. Wu and X. Feng, J. Mater. Chem. A, 2015, 3, 24148
    DOI: 10.1039/C5TA06617D

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