Boosting the electrochemical performance of spinel LiMn2O4 cathode material via copper surface decoration: Original scientific paper. J. Electrochem. Sci. Eng. [Internet]. 2026 Oct. 19 [cited 2026 Oct. 19];16. Available from: https://pub.iapchem.org/ojs/index.php/JESE/article/view/3388