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|Title:||A high-performance asymmetric supercapacitor fabricated with graphene-based electrodes|
|Citation:||Zhang, J., Jiang, J., Li, H., Zhao, X.S. (2011-10). A high-performance asymmetric supercapacitor fabricated with graphene-based electrodes. Energy and Environmental Science 4 (10) : 4009-4015. ScholarBank@NUS Repository. https://doi.org/10.1039/c1ee01354h|
|Abstract:||An asymmetric supercapacitor (ASC) was fabricated using reduced graphene oxide (RGO) sheets modified with ruthenium oxide (RGO-RuO 2) or polyaniline (RGO-PANi) as the anode and cathode, respectively. The ASC exhibited a significantly improved capacitive performance in comparison with that of the symmetric supercapacitors fabricated with RGO-RuO 2 or RGO-PANi as the electrodes. The improvement was attributed to the broadened potential window in an aqueous electrolyte, leading to an energy density of 26.3 W h kg -1, about two-times higher than that of the symmetrical supercapacitors based on RGO-RuO 2 (12.4 W h kg -1) and RGO-PANi (13.9 W h kg -1) electrodes. In addition, a power density of 49.8 kW kg -1 was obtained at an energy density of 6.8 W h kg -1. © 2011 The Royal Society of Chemistry.|
|Source Title:||Energy and Environmental Science|
|Appears in Collections:||Staff Publications|
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