One pot synthesis of self-assembled V2O5 nanobelt membraneviacapsule-like hydrated precursor as improved cathode for Li-ion battery

Yu Wang; Hui Juan Zhang; Kien Wei Siah; Chee Cheong Wong; Jianyi Lin; Armando Borgna

doi:10.1039/C1JM10783F

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One pot synthesis of self-assembled V₂O₅ nanobelt membraneviacapsule-like hydrated precursor as improved cathode for Li-ion battery†

Yu Wang,*^a Hui Juan Zhang,^b Kien Wei Siah,^a Chee Cheong Wong,^b Jianyi Lin^a and Armando Borgna^a

Author affiliations

* Corresponding authors

^a Institute of Chemical and Engineering Sciences (ICES), 1, Pesek Road, Jurong Island, Singapore
E-mail: wang_yu@ices.a-star.edu.sg, prospectwy@gmail.com
Tel: +65 67963810

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

Abstract

A novel self-assembled V₂O₅ nanobelt membrane was successfully fabricated for the first time. The synthesis strategy is based on the earlier one-pot formation of V₂O₅·xH₂O capsule-like nanobelt membranevia the mediated hydrogen bonding action. The as-made V₂O₅ nanobelt membrane can be directly integrated into Li-ion batteries serving as a cathode, which exhibit the enhanced electrochemical performance when cycled, including good rate capability, high specific capacity, great cyclability, stability and reliability.

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Article information

DOI: https://doi.org/10.1039/C1JM10783F
Article type: Paper
Submitted: 22 Feb 2011
Accepted: 18 Apr 2011
First published: 06 Jun 2011

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J. Mater. Chem., 2011,21, 10336-10341

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One pot synthesis of self-assembled V₂O₅ nanobelt membraneviacapsule-like hydrated precursor as improved cathode for Li-ion battery

Y. Wang, H. J. Zhang, K. W. Siah, C. C. Wong, J. Lin and A. Borgna, J. Mater. Chem., 2011, 21, 10336 DOI: 10.1039/C1JM10783F

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Journal of Materials Chemistry