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Issue 7, 2011
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An electrochemically formed three-dimensional structure of polypyrrole/graphene nanoplatelets for high-performance supercapacitors

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Abstract

A novel nanoplatelet-like structure of the composites of polypyrrole (PPy) and graphene (GR) is facilely synthesized by an electrochemical method and is further employed as a supercapacitor. The nanocomposite of PPy/GR shows a porous structure with a specific surface area of as high as 136.5 m2 g−1. As a result, the composite material exhibits a high specific capacitance of 285 F g−1 at a discharge rate of 0.5 A g−1, and excellent cycling stability. Specifically, over 90% of its initial capacitance can be retained after 1000 charge/discharge cycles. With advantageous features, such as facile fabrication process, high specific capacitance and excellent cycle life, this electrochemically synthesized PPy/GR nanocomposite is quite promising for high-performance supercapacitor applications.

Graphical abstract: An electrochemically formed three-dimensional structure of polypyrrole/graphene nanoplatelets for high-performance supercapacitors

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Supplementary files

Article information


Submitted
27 Jul 2011
Accepted
11 Aug 2011
First published
21 Sep 2011

RSC Adv., 2011,1, 1271-1278
Article type
Paper

An electrochemically formed three-dimensional structure of polypyrrole/graphene nanoplatelets for high-performance supercapacitors

P. Si, S. Ding, X. (. Lou and D. Kim, RSC Adv., 2011, 1, 1271
DOI: 10.1039/C1RA00519G

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