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Effect of reducing system on capacitive behavior of reduced graphene oxide film: Application for supercapacitor.
- Source :
-
Journal of Solid State Chemistry . Jan2015, Vol. 221, p338-344. 7p. - Publication Year :
- 2015
-
Abstract
- To determine the best chemical reduction of graphene oxide film with hydriodic acid that gives maximum energy and power density, we studied the effect of two reducing systems, hydriodic acid/water and hydriodic acid/acetic acid, on the morphology and electrochemical features of reduced graphene oxide film. Using acetic acid as solvent results in high electrical conductivity (5195 S m −1 ), excellent specific capacitance (384 F g −1 ) and good cyclic stability (about 98% of its initial response after 4000 cycles). Using water as a solvent, results in an ideal capacitive behavior and excellent cyclic stability (about 6% increase of its initial response after 2100 cycles). [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00224596
- Volume :
- 221
- Database :
- Academic Search Index
- Journal :
- Journal of Solid State Chemistry
- Publication Type :
- Academic Journal
- Accession number :
- 99900148
- Full Text :
- https://doi.org/10.1016/j.jssc.2014.10.004