High-performance supercapacitor electrodes for energy storage using activated carbons from argan husks, date seeds and olive stones: Original scientific paper. J. Electrochem. Sci. Eng. [Internet]. 2024 Sep. 19 [cited 2025 Oct. 21];14(5):535-46. Available from: https://pub.iapchem.org/ojs/index.php/JESE/article/view/2449