Volume 12, Issue 26 pp. 3522-3529
Communication

Nitrogen-Doped Ordered Mesoporous Anatase TiO2 Nanofibers as Anode Materials for High Performance Sodium-Ion Batteries

Ying Wu

Ying Wu

Key Laboratory of Materials for Energy Conversion, Chinese Academy of Sciences (CAS), Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026 China

Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University, Tianjin, 300071 China

State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei, Anhui, 230026 China

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Xiaowu Liu

Xiaowu Liu

Key Laboratory of Materials for Energy Conversion, Chinese Academy of Sciences (CAS), Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026 China

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Zhenzhong Yang

Zhenzhong Yang

Beijing Laboratory for Electron Microscopy, Institute of Physics, Chinese Academy of Sciences (CAS), Beijing, 100190 China

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Lin Gu

Lin Gu

Beijing Laboratory for Electron Microscopy, Institute of Physics, Chinese Academy of Sciences (CAS), Beijing, 100190 China

Collaborative Innovation Center of Quantum Matter, Beijing, 100190 China

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Yan Yu

Corresponding Author

Yan Yu

Key Laboratory of Materials for Energy Conversion, Chinese Academy of Sciences (CAS), Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026 China

Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University, Tianjin, 300071 China

State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei, Anhui, 230026 China

E-mail: [email protected]Search for more papers by this author
First published: 17 May 2016
Citations: 143

Graphical Abstract

Nitrogen-doped ordered mesoporous TiO2 nanofibers (N-MTO) have been fabricated by electrospinning and subsequent nitridation treatment. The N-doping in TiO2 leads to the formation of Ti3+, resulting in the improved electron conductivity of TiO2. In addition, one-dimensional (1D) N-MTO nanostructure possesses very short diffusion length of Na+/e in N-MTO, easy access of electrolyte, and high conductivity transport of electrons along the percolating fibers. The N-MTO shows excellent sodium storage performance.

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