期刊
RSC ADVANCES
卷 2, 期 28, 页码 10610-10617出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ra21617e
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资金
- Singapore A*STAR SERC Thematic Strategic Research Program-Sustainable Materials: Composites Lightweights [092 137 0011]
- A*STAR IMRE core funding [IMRE/12-1P0902]
Polypyrrole (PPy) nanowires were prepared by in situ polymerization of pyrrole in the presence of cetyltrimethylammonium bromide stabilized graphene (GCR). PPy nanowire/GCR composites with different loading ratios were tested as supercapacitor electrode materials in both 1 M H2SO4 (aq) and 1 M KCl (aq) electrolytes, and different electrochemical behaviors were observed. The incorporation of GCR nanosheets into the PPy nanowire matrix obviously improved the electrochemical performance of PPy and a high specific capacitance of 492 F g(-1) can be obtained for PPyGCR91 in 1 M H2SO4 at a current density of 0.2 A g(-1) with good cycling stability.
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