KHAOPHONG, S. , KANGKAMANO, T. , INTACHAI, S. and KONGSUNE, P. 2025. Dual-functional activated carbon from coffee grounds for crystal violet dye removal and subsequent application as an electrode material in energy storage devices. Journal of Metals, Materials and Minerals. 36, 1 (Dec. 2025), e2488. DOI:https://doi.org/10.55713/jmmm.v36i1.2488.