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Issue 48, 2014
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Mesoporous NaTi2(PO4)3/CMK-3 nanohybrid as anode for long-life Na-ion batteries

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Abstract

In this work, a solvothermal strategy combined with following calcination was developed to synthesize a mesoporous NaTi2(PO4)3/CMK-3 (NTP/C) nanohybrid as a high-performance anode for next-generation Na-ion batteries (NIBs). Physicochemical characterizations demonstrated that NASICON-type structured NaTi2(PO4)3 (NTP) nanoparticles (NPs) with high crystallinity were homogeneously embedded in the mesoporous CMK-3 matrix. The mesoporous NTP/C nanohybrid as the anode for NIBs exhibited excellent electrochemical performance with high charge–discharge capability, good rate performance and long cycle life in non-aqueous electrolytes. The nanohybrid electrode delivered large specific capacities of 101, 76, 58, 39 mA h g−1 at 0.2, 0.5, 1.0 and 2.0 C, respectively, and retained it as high as 62.9 mA h g−1 even after 1000 cycles at 0.5 C. Compared to the pure NTP electrode, the mesoporous NTP/C hybrid anode with unique “meso–nano” architecture exhibited better Na-storage ability and indicated its promising application for rechargeable NIBs.

Graphical abstract: Mesoporous NaTi2(PO4)3/CMK-3 nanohybrid as anode for long-life Na-ion batteries

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Publication details

The article was received on 11 Sep 2014, accepted on 21 Oct 2014 and first published on 22 Oct 2014


Article type: Paper
DOI: 10.1039/C4TA04732J
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Citation: J. Mater. Chem. A, 2014,2, 20659-20666
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    Mesoporous NaTi2(PO4)3/CMK-3 nanohybrid as anode for long-life Na-ion batteries

    G. Pang, P. Nie, C. Yuan, L. Shen, X. Zhang, H. Li and C. Zhang, J. Mater. Chem. A, 2014, 2, 20659
    DOI: 10.1039/C4TA04732J

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