Enhanced Li storage performance of ordered mesoporous MoO2viatungsten doping

Xiangpeng Fang; Bingkun Guo; Yifeng Shi; Bin Li; Chunxiu Hua; Chaohua Yao; Yichi Zhang; Yong-Sheng Hu; Zhaoxiang Wang; Galen D. Stucky; Liquan Chen

doi:10.1039/C2NR12017H

Enhanced Li storage performance of ordered mesoporous MoO₂viatungsten doping†

Xiangpeng Fang,^a Bingkun Guo,^a Yifeng Shi,*^b Bin Li,^b Chunxiu Hua,^a Chaohua Yao,^b Yichi Zhang,^c Yong-Sheng Hu,*^a Zhaoxiang Wang,^a Galen D. Stucky^c and Liquan Chen^ad

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^a Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, China
E-mail: yshu@aphy.iphy.ac.cn
Fax: +86 10 82649046
Tel: +86 10 82649808

^b College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou, Zhejiang, China
E-mail: yfshi@hznu.edu.cn
Fax: +86 571 28862779
Tel: +86 571 28862779

^c Department of Chemistry & Biochemistry, University of California, Santa Barbara, CA, USA

^d School of Materials Science and Engineering, Chonnam National University, Gwangju, Republic of Korea

Abstract

Ordered mesoporous tungsten-doped MoO₂ was synthesized by a nanocasting method. The Li storage performance of mesoporous MoO₂ is significantly improved by tungsten doping, which exhibits a reversible capacity of 700 mA h g⁻¹, better cycling and rate performance. This material combines the advantages of the high theoretical capacity of MoO₂ and the better electroactivity of WO₂.

Nanoscale

Enhanced Li storage performance of ordered mesoporous MoO₂viatungsten doping†

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Enhanced Li storage performance of ordered mesoporous MoO₂viatungsten doping

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