Antoran Navarro D, Alvira D, Manyà JJ. Hard carbons from waste hemp via hydrothermal carbonization with mil chemical activation for sodium–ion batteries . Jorn. jovenes investig. I3A [Internet]. 2023 Jul. 7 [cited 2025 Sep. 9];11. Available from: https://despapiro.unizar.es/ojs/index.php/jji3a/article/view/9012