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Issue 17, 2013
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TiO2/graphene sandwich paper as an anisotropic electrode for high rate lithium ion batteries†

Na Li,ab   Guangmin Zhou,a   Ruopian Fang,a   Feng Li*a  and  Hui-Ming Chenga  
Author affiliations

* Corresponding authors

a Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
E-mail: fli@imr.ac.cn
Fax: +86 24 23903126
Tel: +86 24 83971472

b Department of Materials Science & Engineering, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei 230026, China

Abstract

We designed an anisotropic electrode, in which Li+ ion insertion and diffusion are anisotropic, by controlled growth of TiO2 nanosheets parallel to the surface of graphene paper. The anisotropic electrode gives a gravimetric capacity of 112 mA h g−1 at an ultra-high rate of 100 C (corresponding to 36 s of charge–discharge), 3 times higher than that of a referenced isotropic electrode. The results indicate that such an anisotropic electrode can be useful in the search for high-power lithium ion batteries.

Graphical abstract: TiO2/graphene sandwich paper as an anisotropic electrode for high rate lithium ion batteries

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Article information

https://doi.org/10.1039/C3NR01349A
Submitted
19 Mar 2013
Accepted
15 Jun 2013
First published
18 Jun 2013
Nanoscale, 2013,5, 7780-7784
Article type
Communication
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TiO2/graphene sandwich paper as an anisotropic electrode for high rate lithium ion batteries

N. Li, G. Zhou, R. Fang, F. Li and H. Cheng, Nanoscale, 2013, 5, 7780
DOI: 10.1039/C3NR01349A

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