Graphene derivatives-based PVA hydrogel electrolyte for supercapacitors. Superficies y Vacío, [S. l.], v. 38, p. 251001, 2025. DOI: 10.47566/2025_syv38_1-251001. Disponível em: https://superficiesyvacio.smctsm.org.mx/index.php/SyV/article/view/2025_syv38_1-251001. Acesso em: 2 nov. 2025.