Research shows enhanced catalytic activity for methanol oxidation in Pd–Ir nanoalloys, suggesting optimization of electronic states may improve electrocatalysis.
Key Points
Pd7IrHx/NG demonstrates significantly enhanced mass activity of 1625.0 mA mg-1 and specific activity of 5.9 mA cm-2 for methanol oxidation.
Hydrogen insertion optimized the electronic state of Pd and Ir, creating channels for effective electron and proton transfer in the electrooxidation process.
Structural analysis confirmed the efficiency in optimizing the binding energy and ratio of zerovalent to oxidized metals in the alloy.
The findings underline the role of electronic state optimization in developing advanced electrocatalysts for small organic molecules.