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Issue 4, 2016
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Porous Na3V2(PO4)3@C nanoparticles enwrapped in three-dimensional graphene for high performance sodium-ion batteries

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Abstract

Porous Na3V2(PO4)3@C nanocomposites enwrapped in a 3D graphene network were prepared using a simple freeze-drying-assisted thermal treatment method. The carbon layer and 3D graphene network provide not only a 3D conductive network but also a double restriction on the aggregation of Na3V2(PO4)3 particles that have a high crystallinity under high temperature treatment. Due to the high electrochemical activity of the highly crystalline Na3V2(PO4)3 nanoparticles and 3D conductive network, the novel NVP@C/G material displays a superior rate capability (76 mA h g−1 at 60C) and ultra-long cyclability (82% capacity retention for 1500 cycles at 40C) when used in sodium-ion batteries.

Graphical abstract: Porous Na3V2(PO4)3@C nanoparticles enwrapped in three-dimensional graphene for high performance sodium-ion batteries

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Publication details

The article was received on 03 Nov 2015, accepted on 25 Nov 2015 and first published on 27 Nov 2015


Article type: Communication
DOI: 10.1039/C5TA08869K
Author version available: Download Author version (PDF)
Citation: J. Mater. Chem. A, 2016,4, 1180-1185
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    Porous Na3V2(PO4)3@C nanoparticles enwrapped in three-dimensional graphene for high performance sodium-ion batteries

    J. Fang, S. Wang, Z. Li, H. Chen, L. Xia, L. Ding and H. Wang, J. Mater. Chem. A, 2016, 4, 1180
    DOI: 10.1039/C5TA08869K

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