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Issue 18, 2017, Issue in Progress
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Nitrogen-doped TiO2(B) nanorods as high-performance anode materials for rechargeable sodium-ion batteries

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Abstract

To achieve better anode materials for sodium ion batteries, a nitrogen-doped TiO2(B) nanorod structure is developed utilizing hydrothermal treatment, ion exchange and a subsequent low temperature calcination process. Transmission electron microscopy, X-ray photoelectron spectroscopy and X-ray diffraction are employed to characterize the structure and properties of the nitrogen-doped TiO2(B). Compared with anatase TiO2 powder (325 mesh) raw materials and the TiO2(B) nanorods without N-doping, the as-fabricated nitrogen-doped TiO2(B) nanorods with a nitrogen-doping amount of 1.23 atom% exhibit higher specific capacity (224.5 mA h g−1), good cycling stability (the capacity retention ratios after 200 cycles at 2C is 93.4%) and enhanced rate capability (110 mA h g−1 at 3.35 A g−1), which is likely to be associated with enhanced conductivity due to N-doping.

Graphical abstract: Nitrogen-doped TiO2(B) nanorods as high-performance anode materials for rechargeable sodium-ion batteries

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Publication details

The article was received on 12 Jan 2017, accepted on 04 Feb 2017 and first published on 10 Feb 2017


Article type: Paper
DOI: 10.1039/C7RA00469A
Citation: RSC Adv., 2017,7, 10885-10890
  • Open access: Creative Commons BY license
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    Nitrogen-doped TiO2(B) nanorods as high-performance anode materials for rechargeable sodium-ion batteries

    Y. Yang, S. Liao, W. Shi, Y. Wu, R. Zhang and S. Leng, RSC Adv., 2017, 7, 10885
    DOI: 10.1039/C7RA00469A

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