TiO2 hollow spheres with large amount of exposed (001) facets for fast reversible lithium storage

Shujiang Ding; Jun Song Chen; Zhiyu Wang; Yan Ling Cheah; Srinvivasan Madhavi; Xiao Hu; Xiong Wen Lou

doi:10.1039/C0JM03650A

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TiO₂ hollow spheres with large amount of exposed (001) facets for fast reversible lithium storage†

Shujiang Ding,^a Jun Song Chen,^a Zhiyu Wang,^a Yan Ling Cheah,^b Srinvivasan Madhavi,^b Xiao Hu^b and Xiong Wen Lou*^ac

Author affiliations

* Corresponding authors

^a School of Chemical and Biomedical Engineering, Nanyang Technological University, 70 Nanyang Drive, Singapore
E-mail: xwlou@ntu.edu.sg

^b School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore

^c Energy Research Institute at NTU, Nanyang Technological University, 50 Nanyang Drive, Singapore

Abstract

We report a simple approach for synthesizing uniform hollow spheres assembled from anatase TiO₂ nanosheets with large amount of exposed (001) facets. These hierarchical TiO₂ hollow spheres possessing a high specific surface area of 134.9 m² g⁻¹ manifest a high Coulombic efficiency for lithium extraction, excellent capacity retention, and superior rate behaviour owing to the hollow structure and unique crystal faceting of the building blocks.

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Supplementary files

Detailed experimental procedures, more TEM and SEM images, TGA results PDF (218K)

Article information

DOI: https://doi.org/10.1039/C0JM03650A
Article type: Communication
Submitted: 26 Oct 2010
Accepted: 24 Nov 2010
First published: 15 Dec 2010

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J. Mater. Chem., 2011,21, 1677-1680

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TiO₂ hollow spheres with large amount of exposed (001) facets for fast reversible lithium storage

S. Ding, J. S. Chen, Z. Wang, Y. L. Cheah, S. Madhavi, X. Hu and X. W. Lou, J. Mater. Chem., 2011, 21, 1677 DOI: 10.1039/C0JM03650A

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Journal of Materials Chemistry