KARAKTERISASI SIFAT ELEKTROKIMIA ELEKTRODA KARBON AKTIF BERBASIS LIMBAH SABUT KELAPA MUDA MENGGUNAKAN SEPARATOR MEMBRAN KULIT TELUR AYAM

Angela Carolina Simanjuntak, Awitdrus Awitdrus

Abstract


The supercapacitor is an energy storage device with an electrochemical characteristic that can provide high energy and power density. The supercapacitor cell consists of a current collector, electrode, electrolyte, and separator. This study used young coconut fiber biomass as a supercapacitor electrode, H2SO4 as an electrolyte, 316L stainless steel as a current collector, and chicken eggshell membrane as a separator. The fabrication of electrode carbon made from young coco fiber begins with the pre-carbonization process, chemical activation using 0.5M KOH, carbonization process using N2 gas at a temperature of 600 °C, and physical activation using CO2 gas at a temperature of 750 °C. Analysis of electrochemical characteristics using cyclic voltammetry method resulting in a specific capacitance value of 197.05 F/g for a scan rate of 1 mV/s, 157.215 F/g for a scan rate of 2 mV/s, and 129.42 F/g for scan rate of 5 mV/s.


Keywords


Supercapacitor; Activated Carbon; Separator; Young Coco Fiber

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DOI: http://dx.doi.org/10.31258/jkfi.19.1.31-34

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