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Synthesis of porous carbon-coated NaTi2(PO4)3 nanocubes with high-yield and superior rate properties

Abstract

Nanosized porous carbon-coated NaTi2(PO4)3 (NTP) particles with a high yield (more than 95%) and superior rate properties are synthesized by a reflux method in ethylene glycol (EG). We report the controllable synthesis of three novel NTP nanocubes. The as-synthesized NTP-EG shows excellent high-rate performance with charge capacities of 99.8 and 96.1 mAh g-1 at 30C and 50C. After 1000 cycles at 5 C, the reversible capacity of NTP-EG can still reach 101.7 mAh g-1 with the capacity retention of 94.2%. These superb electrochemical performances can be attributed to both the unique nano-architecture and the suitable carbon layers. Their structures and morphologies are analyzed by X-ray diffraction, scanning/transmission electron microscopies, Raman spectroscopy and N2 adsorption/desorption measurement. Such a low-cost, high-yield and environment friendly synthesis strategy may be extended to other electrode materials.

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Publication details

The article was received on 23 Oct 2018, accepted on 09 Nov 2018 and first published on 09 Nov 2018


Article type: Paper
DOI: 10.1039/C8TA10182E
Citation: J. Mater. Chem. A, 2018, Accepted Manuscript
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    Synthesis of porous carbon-coated NaTi2(PO4)3 nanocubes with high-yield and superior rate properties

    Q. Hu, J. Liao, C. Li, X. D. He, X. Ding and C. Chen, J. Mater. Chem. A, 2018, Accepted Manuscript , DOI: 10.1039/C8TA10182E

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