Experimental Investigation of a Passive Direct Polymer Electrolyte Fuel Cell Using L-Ascorbic Acid as a Fuel. Reports in Mechanical Engineering, [S. l.], v. 6, n. 2, p. 129–145, 2026. DOI: 10.31181/rme537. Disponível em: https://www.rme-journal.org/index.php/asd/article/view/537.. Acesso em: 27 apr. 2026.