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Electrochemical properties of electrodeposited ruthenium-rhodium coatings

The electrocatalytic activity and anodic stability of ruthenium-rhodium coatings on titanium in the oxygen evolution reaction were investigated. The mixed Ru-Rh coatings were characterized by cyclic voltammetry and X-ray photoelectron spectroscopy. The ruthenium predominant coatings exhibited higher electrocatalytic activity, while the coatings with predominant rhodium content exhibited better anodic stability.. The effect of surface modification by potential cycling was discussed.

electrodeposition; titanium coatings;ruthenium; rhodium

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