Issue 17, 2014

Nanostructured conductive polypyrrole hydrogels as high-performance, flexible supercapacitor electrodes

Abstract

Electrochemically active conducting polymers are an important class of materials for applications in energy storage devices such as batteries and supercapacitors, owing to their advantageous features of unique three-dimensional (3D) porous microstructure, high capacitive energy density, scalable synthesis and light weight. Here, we synthesized a nanostructured conductive polypyrrole (PPy) hydrogel via an interfacial polymerization method. The simple synthesis chemistry offers the conductive hydrogel tunable nanostructures and electrochemical performance, as well as scalable processability. Moreover, the unique 3D porous nanostructure constructed by interconnected polymer nanospheres endows PPy hydrogels with good mechanical properties and high performance acting as supercapacitor electrodes with a specific capacitance of ∼380 F g−1, excellent rate capability, and areal capacitance as high as ∼6.4 F cm−2 at a mass loading of 20 mg cm−2.

Graphical abstract: Nanostructured conductive polypyrrole hydrogels as high-performance, flexible supercapacitor electrodes

Supplementary files

Article information

Article type
Communication
Submitted
27 Jan 2014
Accepted
05 Mar 2014
First published
05 Mar 2014

J. Mater. Chem. A, 2014,2, 6086-6091

Author version available

Nanostructured conductive polypyrrole hydrogels as high-performance, flexible supercapacitor electrodes

Y. Shi, L. Pan, B. Liu, Y. Wang, Y. Cui, Z. Bao and G. Yu, J. Mater. Chem. A, 2014, 2, 6086 DOI: 10.1039/C4TA00484A

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