Valtiane de Jesus Pantoja da Gama

Utilization of guarana (Paullinia cupana) biowaste from the Amazon for supercapacitor electrode production

Abstract The valorization of Amazonian biomass residues into porous carbon materials represents a sustainable strategy for the development of energy storage technologies. In this study, guarana ( Paullinia cupana ) husk, an agro-industrial by-product, was converted into activated...