Abstract
Electrochemical ozone production (EOP) is a technology with great promise for ozone synthesis, where electrochemical anode and cathode reactions play key roles in electrolytic ozone generators. In this work, mesoporous three-dimensional Pt/TiN nanorods (NRs) have been designed and prepared for EOP and HER, exhibited impressive performance with the faraday efficiency of the anodic EOP was 13 %. The overpotential of cathodic HER was 38 mV at 10 mA·cm−2 with 0.5 M H2SO4. The porous structure of Pt/TiN NRs provides microenvironments favorable for enrichment of reaction intermediates, accelerating the kinetic processes of EOP and HER. Theoretical calculations have revealed that metal-support interactions (MSI) between Pt and TiN play an influential role in the adsorption of reactive intermediates. Furthermore, promising efficiencies in the electrochemical degradation of organic pollutants have been investigated, highlighting the potential application of the Pt/TiN NRs-1 || Pt/TiN NRs-2 in advanced electrochemical oxidation.
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