Journal
RSC ADVANCES
Volume 1, Issue 7, Pages 1271-1278Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1ra00519g
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Funding
- Nanyang Technological University
- Academic Research Funding Tier 1 [RG65/08]
- National Medical Research Council of Singapore [NMRC/NIG/00602009]
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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 m(2) 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.
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