Pembuatan Elektroda Karbon Superkapasitor Dari Daun Kopi Dengan Variasi Konse…

Supercapacitor is an electrical energy storage device that has a high power density and charge storage capacitance. One of the important components in supercapacitor cells is the electrode. Utilization of robusta coffee leaf waste (Coffea Canephora) as a supercapacitor electrode has been successfully carried out with variations in the concentration of KOH activator, namely 0.1M, 0.3M and 0…