Issue 35, 2013
From the journal:

Journal of Materials Chemistry A

Conformal N-doped carbon on nanoporous TiO2 spheres as a high-performance anode material for lithium-ion batteries†

Yun Qiao,a   Xianluo Hu,*a   Yang Liu,a   Chaoji Chen,a   Henghui Xu,a   Dongfang Hou,a   Pei Hua  and  Yunhui Huang*a  

* Corresponding authors

a State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, P. R. China
E-mail: huxl@mail.hust.edu.cn, huangyh@mail.hust.edu.cn

Abstract

Conformal N-doped carbon (NC) on nanoporous TiO2 spheres has been successfully synthesized via a facile solution-phase process and subsequent heat treatment. The highly conductive and uniform NC layer coated on the surface of nanoporous TiO2 spheres facilitates lithium ion diffusion and electronic transport. The resulting TiO2@NC nanohybrid not only delivers a high capacity of ∼170 mA h g−1 at a current density of 0.1 A g−1, but also exhibits excellent rate capability (∼102 mA h g−1 at a current density of 2.0 A g−1). The as-formed porous TiO2@NC electrode is promising for secondary battery applications with high power and energy densities.

Graphical abstract: Conformal N-doped carbon on nanoporous TiO2 spheres as a high-performance anode material for lithium-ion batteries

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Article information

DOI
https://doi.org/10.1039/C3TA11838J
Article type
Paper
Submitted
09 May 2013
Accepted
24 Jun 2013
First published
25 Jun 2013

J. Mater. Chem. A, 2013,1, 10375-10381

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Conformal N-doped carbon on nanoporous TiO2 spheres as a high-performance anode material for lithium-ion batteries

Y. Qiao, X. Hu, Y. Liu, C. Chen, H. Xu, D. Hou, P. Hu and Y. Huang, J. Mater. Chem. A, 2013, 1, 10375 DOI: 10.1039/C3TA11838J

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