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|Title:||Cetyltrimethylammonium bromide intercalated graphene/polypyrrole nanowire composites for high performance supercapacitor electrode||Authors:||Mao, L.
|Issue Date:||14-Nov-2012||Citation:||Mao, L., Chan, H.S.O., Wu, J. (2012-11-14). Cetyltrimethylammonium bromide intercalated graphene/polypyrrole nanowire composites for high performance supercapacitor electrode. RSC Advances 2 (28) : 10610-10617. ScholarBank@NUS Repository. https://doi.org/10.1039/c2ra21617e||Abstract:||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 H 2SO 4 (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 H 2SO 4 at a current density of 0.2 A g -1 with good cycling stability. This journal is © 2012 The Royal Society of Chemistry.||Source Title:||RSC Advances||URI:||http://scholarbank.nus.edu.sg/handle/10635/93254||ISSN:||20462069||DOI:||10.1039/c2ra21617e|
|Appears in Collections:||Staff Publications|
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