Preparation and optimization of La0.6Sr0.4Fe1-yCoyO3-δ cathodes for intermediate temperature solid oxide fuel cells: Original scientific paper. J. Electrochem. Sci. Eng. [Internet]. 2024 Nov. 7 [cited 2026 Jul. 17];15(1). Available from: https://pub.iapchem.org/ojs/index.php/JESE/article/view/2513