An investigation of the effect of RuO 2 on the deactivation and corrosion mechanism of a Ti/IrO 2 + Ta 2 O 5 coating in an OER application

Engineering Interface with One-Dimensional Co3O4 Nanostructure in Catalytic Membrane Electrode: Toward an Advanced Electrocatalyst for Alcohol Oxidation

“…Moreover, the aggregation and random distribution of NPs on the membrane surface and the leaching of metal oxide due to the weak interaction between the substrate and NPs might further suppress the ECMR performance for the ECO. 22,23 Indeed, the loading of NPs to an electrode surface would enhance the catalytic activity of the electrode, resulting from the NP's electronic structure, crystal facets, density on the electrode surface, or surface chemistry. 24 Furthermore, the interaction of a transition metal oxide and the support has proven to have a crucial effect on the catalytic activity.…”

Revealing the mechanism of formation and transformation of chlorinated by‐products during electrolyzing synthetic urine using Ti/RuOx‐IrOx and BDD electrodes

“…The surface morphology of the Ti/RuO x ‐IrO x electrode showed a mud‐cracked pattern without detachment from the substratum (Figure 1a), the typical morphology of the metal oxides coating electrode was mainly caused by the volatilization of organic solvents and stress due to different thermal expansion coefficients between the substrate and the coating [33, 34]. The XRD pattern of mixed metal coating was demonstrated in Figure 1b, the diffraction peaks at 27.6 o , 35.2–35.8 o , and 54.3 o were considered as the Ti, Ru, and Ir mixed oxides solid solution phase according to the previous studies [33, 35, 36]. With similar ionic radii (0.068–0.077 nm) and crystal structure (rutile), the ternary oxide tended to form a solid solution according to the Hume‐Rothery rule [33].…”

“…The XRD pattern of mixed metal coating was demonstrated in Figure 1b, the diffraction peaks at 27.6 o , 35.2–35.8 o , and 54.3 o were considered as the Ti, Ru, and Ir mixed oxides solid solution phase according to the previous studies [33, 35, 36]. With similar ionic radii (0.068–0.077 nm) and crystal structure (rutile), the ternary oxide tended to form a solid solution according to the Hume‐Rothery rule [33]. As for the BDD electrode, the clear‐cut facet diamond crystals with triangular, rectangular, or hexangular forms were observed, where the diamond (111) facet was dominant in the crystalline structure (Figure 1d).…”

Ultralong-lifetime Ti/RuO2–IrO2@Pt anodes with a strong metal–support interaction for efficient electrochemical mineralization of perfluorooctanoic acid

“…9 Generally, adding IrO 2 to RuO 2 can form the solid solution of IrO 2 –RuO 2 with rutile-type structures during the calcination process. 7,10 The formation of the rutile-type solid solution makes the coating have a compact structure and high crystallinity and this significantly improves the electrocatalytic activity and stability of the Ti/RuO 2 –IrO 2 anode. The negative aspect is that Ir is much more expensive than Ru, increasing the content of IrO 2 will dramatically increase the manufacturing cost of the electrode.…”