Improving the Electrocatalytic Activities and CO Tolerance of Pt NPs by Incorporating TiO ₂ Nanocubes onto Carbon Supports

Designing efficient anode CO-tolerant electrocatalysts is critical in low-temperature fuel cell catalysts fueled either by H2/CO or alcohol. We demonstrate that the incorporation of TiO2 nanocubes (TiO2NCs) on Carbon Vulcan supports, followed synthesis Pt NPs at their surface (Pt/TiO2NCs-C material), led to improvements performance towards electrooxidation carbon monoxide, ethanol, methanol, ethylene glycol, and glycerol acidic media relative commercial Pt/C Pt/TiO2-C counterparts employing TiO2. The enabled changes electronic properties while contributing bifunctional mechanism as compared with Fuel experiments fed steam showed Pt/TiO2NCs-C was resistant CO-poisoning, yielding superior operational conditions. results reported herein have important implications for developing performances PEMFCs.