Edible Gelatin and Cosmetic Activated Carbon Powder as Biodegradable and Replaceable Materials in the Production of Supercapacitors. - Negroiu, Rodica-Cristina; Marghescu, Cristina-Ioana; Bacis, Irina-Bristena; Burcea, Madalina-Irina; Drumea, Andrei; Dinca, Laurentiu; Radulescu, Ion Razvan (Batteries, 2024)