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Buckled, Stretchable Polypyrrole Electrodes for Battery Applications

Authors

  • Caiyun Wang,

    1. ARC Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, University of Wollongong, NSW 2522, Australia
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  • Wen Zheng,

    1. ARC Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, University of Wollongong, NSW 2522, Australia
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  • Zhilian Yue,

    1. ARC Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, University of Wollongong, NSW 2522, Australia
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  • Chee O. Too,

    1. ARC Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, University of Wollongong, NSW 2522, Australia
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  • Gordon G. Wallace

    Corresponding author
    1. ARC Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, University of Wollongong, NSW 2522, Australia
    • ARC Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, University of Wollongong, NSW 2522, Australia.
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Abstract

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Highly stretchable 2D buckled polypyrrole film is prepared by a simple electropolymerization method on pre-strained Au-coated elastic substrate. This electrode retains its electrochemical properties in Mg batteries after 2000 stretching cycles with 30% strain applied. A combination of exceptional stretchability and electrochemical properties makes these novel conducting polymer films promising materials for many technological applications.

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