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Adinaveen Thambidurai,John Kennedy Lourdusamy,Judith Vijaya John,Sekaran Ganesan 한국화학공학회 2014 Korean Journal of Chemical Engineering Vol.31 No.2
We compared the relationship of the behavior and performance of sugarcane baggase and rice straw assupercapacitor electrodes. X-ray diffraction revealed the evolution of crystallites of carbon and silica during activation athigher temperature. The morphology of the carbon samples was determined by SEM. The surface area, pore volume,and pore size distribution of carbon composites were measured. The electrochemical responses were studied by usingcyclic voltammetry experiment at 25 oC in a three-electrode configuration. The specific capacitance of the sugarcanebagasse carbon electrodes was in the range 92-340 F/g, whereas for rice straw, it was found to be 56-112 F/g at scanrates of 2-3 mV/s. The sugarcane bagasse carbon exhibited better performance than rice straw carbon using H2SO4 asthe electrolyte. However, the results clearly show that lignocellulosic wastes possess a new biomass source of carbonaceousmaterials for high-performance supercapacitors.