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Issue 21, 2014
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Freestanding nanocellulose-composite fibre reinforced 3D polypyrrole electrodes for energy storage applications

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Abstract

It is demonstrated that 3D nanostructured polypyrrole (3D PPy) nanocomposites can be reinforced with PPy covered nanocellulose (PPy@nanocellulose) fibres to yield freestanding, mechanically strong and porosity optimised electrodes with large surface areas. Such PPy@nanocellulose reinforced 3D PPy materials can be employed as free-standing paper-like electrodes in symmetric energy storage devices exhibiting cell capacitances of 46 F g−1, corresponding to specific electrode capacitances of up to ∼185 F g−1 based on the weight of the electrode, and 5.5 F cm−2 at a current density of 2 mA cm−2. After 3000 charge/discharge cycles at 30 mA cm−2, the reinforced 3D PPy electrode material also showed a cell capacitance corresponding to 92% of that initially obtained. The present findings open up new possibilities for the fabrication of high performance, low-cost and environmentally friendly energy-storage devices based on nanostructured paper-like materials.

Graphical abstract: Freestanding nanocellulose-composite fibre reinforced 3D polypyrrole electrodes for energy storage applications

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Publication details

The article was received on 12 Aug 2014, accepted on 12 Sep 2014 and first published on 16 Sep 2014


Article type: Paper
DOI: 10.1039/C4NR04642K
Author version available: Download Author version (PDF)
Citation: Nanoscale, 2014,6, 13068-13075
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    Freestanding nanocellulose-composite fibre reinforced 3D polypyrrole electrodes for energy storage applications

    Z. Wang, P. Tammela, P. Zhang, J. Huo, F. Ericson, M. Strømme and L. Nyholm, Nanoscale, 2014, 6, 13068
    DOI: 10.1039/C4NR04642K

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