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Issue 15, 2014
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Nitrogen-doped open pore channeled graphene facilitating electrochemical performance of TiO2 nanoparticles as an anode material for sodium ion batteries

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Abstract

We report that titanium dioxide nanoparticles anchored on nitrogen-doped open pore channeled graphene exhibit high performance as anode materials for sodium ion batteries with a high reversible capacity of 405 mA h g−1 at a current density of 50 mA g−1, excellent cycle stability with a capacity of 250 mA h g−1 over 100 charge–discharge cycles at a current density of 100 mA g−1, and superior rate capability. Also, it shows that high electrochemical performance is attributed to the facilitated ion diffusion by their open pore channels, in addition to the promoted electron transfer in electrochemical reactions by nitrogen-doping.

Graphical abstract: Nitrogen-doped open pore channeled graphene facilitating electrochemical performance of TiO2 nanoparticles as an anode material for sodium ion batteries

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Supplementary files

Article information


Submitted
27 Jan 2014
Accepted
11 Feb 2014
First published
11 Feb 2014

J. Mater. Chem. A, 2014,2, 5182-5186
Article type
Communication
Author version available

Nitrogen-doped open pore channeled graphene facilitating electrochemical performance of TiO2 nanoparticles as an anode material for sodium ion batteries

H. A. Cha, H. M. Jeong and J. K. Kang, J. Mater. Chem. A, 2014, 2, 5182
DOI: 10.1039/C4TA00041B

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