ERNA FRIDA; SYAHRUL HUMAIDI; FATHI MARZUQI. UTILIZATION OF ACTIVATED CARBON FROM ELEPHANT GRASS (PENNISETUM PURPEREUM) AND MANGANESE DIOXIDE AS SUPERCAPACITOR ELECTRODES. Multidiciplinary Output Research For Actual and International Issue (MORFAI), [S. l.], v. 5, n. 4, p. 1911–1919, 2025. DOI: 10.54443/morfai.v5i4.3146. Disponível em: https://radjapublika.com/index.php/MORFAI/article/view/3146. Acesso em: 21 jun. 2025.