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Issue 46, 2014

Flexible solid-state supercapacitors based on a conducting polymer hydrogel with enhanced electrochemical performance

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Abstract

In this paper, a conducting polyaniline hydrogel instead of traditional solid electrode materials is used as an electrode material to prepare high performance flexible solid-state supercapacitors. Conducting polymer hydrogels combine the properties of hydrogel with electrical conductivity, thus offering intrinsic porous conducting frameworks and promoting the transport of charges, ions, and molecules. According to our results, the capacitance of the polyaniline hydrogel electrode is quite remarkable (430 F g−1) in this prototype, flexible solid-state supercapacitor with a two-electrode configuration. Furthermore, this supercapacitor shows excellent rate capability, cyclic stability and bendable performance. Moreover, this supercapacitor can drive a glow armlet to work very well, which demonstrates that the device has great potential to work as a power source in real-life applications.

Graphical abstract: Flexible solid-state supercapacitors based on a conducting polymer hydrogel with enhanced electrochemical performance

Supplementary files

Article information


Submitted
18 Sep 2014
Accepted
07 Oct 2014
First published
07 Oct 2014

J. Mater. Chem. A, 2014,2, 19726-19732
Article type
Paper
Author version available

Flexible solid-state supercapacitors based on a conducting polymer hydrogel with enhanced electrochemical performance

K. Wang, X. Zhang, C. Li, H. Zhang, X. Sun, N. Xu and Y. Ma, J. Mater. Chem. A, 2014, 2, 19726 DOI: 10.1039/C4TA04924A

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