An investigation of the effect of RuO2 on the deactivation and corrosion mechanism of a Ti/IrO2 + Ta2O5 coating in an OER application

摘要

This article describes the investigation into the effect of RuO2 on the deactivation and corrosion mechanism of Ti/IrO2 + Ta2O5 coating in a sodium sulphate solution. Mixed metal oxide coatings within the composition, included in IrO2 + RuO2 + Ta2O5 with different percentages of RuO2 (10, 30 and 50 wt.%) on the titanium substrate, were prepared by thermal decomposition of a chloride precursor mixture at 480 degrees C. Surface morphology and microstructure of the coatings, were investigated by Scanning Electron Microscopy (SEM), Energy Dispersive Spectroscopy (EDS) and Grazing Incidence X-Ray Diffraction (GIXRD) analysis.