期刊
出版社
AMER INST PHYSICS
DOI: 10.1063/1.5021229
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- Kementerian Ristek Dikti Republik Indonesia of HIBAH PUPT (Penelitian Unggulan Perguruan Tinggi)
The physical activation for the comparative study of carbon electrode synthesized for supercapacitor applications made from rubber wood sawdust has been performed successfully. Comparison of physical activation used in this research is based on the different gas activation such as CO2 and H2O. The CO2 and H2O activation are made by using an integrated carbonization and activation system. The carbonization process is performed in N-2 atmosphere followed by CO2 and H2O activation process. The carbonization process at temperature of 600 degrees C, the CO2 and H2O activation process at a temperature of 900 degrees C and maintained at this condition for 2 h and 3 h. The electrochemical properties were analyzed using cyclic voltammetric (CV) method. The CV results show that the carbon electrode with CO2 activation has better capacitive properties than H2O, the highest specific capacitance obtained is 93.22 F/g for 3 h of activation time. In addition, the analysis of physical properties such as surface morphology and degree of crystallinity was also performed.
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