SYNTHESIS AND ELECTROCHEMICAL CHARACTERIZATION OF CARBMATERIALS FROM SUB-BITUMINOUS COAL-DERIVED HYPERCOAL FOR ELECTRIC DOUBLE-LAYER CAPACITORS. European Journal of Emerging Physics and Chemistry, [S. l.], v. 1, n. 01, p. 21–33, 2024. Disponível em: https://parthenonfrontiers.com/index.php/ejepc/article/view/15. Acesso em: 15 jan. 2026.