Issue 32, 2014

Ultrathin single-crystalline vanadium pentoxide nanoribbon constructed 3D networks for superior energy storage

Abstract

A new 3D V2O5@PPy network built from numerous ultrathin, flexible and single-crystalline nanoribbons was successfully fabricated by a combined hydrothermal, freeze-drying and nanocasting process. Such a unique network can not only provide a high surface area for enhancement of electrolyte/electrode interactions, and reduce the diffusion length of ions, but also efficiently maintain the high electrical conductivity. As a result, this network exhibits high capacitance, excellent rate capability and good charge–discharge stability for energy storage. An asymmetric supercapacitor based on a 3D V2O5@PPy network as the cathode material further delivers high energy density and high power density. We expect that our work presents an efficient approach to design and produce various 3D architectures built from nanoribbons or nanosheets for energy storage and other applications.

Graphical abstract: Ultrathin single-crystalline vanadium pentoxide nanoribbon constructed 3D networks for superior energy storage

Supplementary files

Article information

Article type
Paper
Submitted
04 May 2014
Accepted
05 Jun 2014
First published
05 Jun 2014

J. Mater. Chem. A, 2014,2, 13136-13142

Author version available

Ultrathin single-crystalline vanadium pentoxide nanoribbon constructed 3D networks for superior energy storage

L. Cao, J. Zhu, Y. Li, P. Xiao, Y. Zhang, S. Zhang and S. Yang, J. Mater. Chem. A, 2014, 2, 13136 DOI: 10.1039/C4TA02229G

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