Issue 22, 2012
From the journal:

Journal of Materials Chemistry

Impact of mechanical bending on the electrochemical performance of bendable lithium batteries with paper-like free-standing V2O5–polypyrrole cathodes

Lukman Noerochim,*ab   Jia-Zhao Wang,a   David Wexler,c   Md. Mokhlesur Rahman,a   Jun Chend  and  Hua-Kun Liua  

* Corresponding authors

a Institute for Superconducting and Electronic Materials, ARC Centre of Excellence for Electromaterials Science, University of Wollongong, NSW 2500, Australia
E-mail: ln865@uow.edu.au
Fax: +61 2 4221 5731
Tel: +61 2 42981494

b Department of Materials and Metallurgy, Sepuluh Nopember Institute of Technology, Surabaya 60111, Indonesia

c School of Mechanical, Materials and Mechatronic Engineering, University of Wollongong, NSW 2522, Australia

d Intelligent Polymer Research Institute, University of Wollongong, NSW 2500, Australia

Abstract

Highly flexible, paper-like, free-standing V2O5 and V2O5–polypyrrole (PPy) films were prepared via the vacuum filtration method. The films are soft, lightweight, and mechanically robust. The electrochemical performance of the free-standing pure V2O5 electrode was improved by incorporating conducting polypyrrole. A bendable cell with a novel design was fabricated, consisting of a free-standing V2O5–PPy cathode film, gel electrolyte, and a lithium foil anode. The cell was tested under repeated bending conditions for several cycles. The results show that the battery performance of the repeatedly bent cell was similar to that of the conventional cell.

Graphical abstract: Impact of mechanical bending on the electrochemical performance of bendable lithium batteries with paper-like free-standing V2O5–polypyrrole cathodes

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Article information

DOI
https://doi.org/10.1039/C2JM16470A
Article type
Paper
Submitted
09 Dec 2011
Accepted
20 Mar 2012
First published
30 Apr 2012

J. Mater. Chem., 2012,22, 11159-11165

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Impact of mechanical bending on the electrochemical performance of bendable lithium batteries with paper-like free-standing V2O5–polypyrrole cathodes

L. Noerochim, J. Wang, D. Wexler, Md. M. Rahman, J. Chen and H. Liu, J. Mater. Chem., 2012, 22, 11159 DOI: 10.1039/C2JM16470A

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