2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/120680This paper has been withdrawn by the author due to a data error in Fig 5.This paper has been withdrawnSuperconductivityMaterials ScienceMechanism and kinetics of phase formation of cobalt oxyhydrates (Na,K)x(H2O)yCoO2-delta synthesized using aqueous permanganate solution routetext