Bimetallic catalyst of PtIr nanoparticles with high electrocatalytic ability for hydrogen peroxide oxidation

- PtIr bimetallic catalyst shows high electrocatalytic ability for H2O2 oxidation.
- The addition of Ir in Pt-based catalyst can facilitate H2O2 oxidation.
- Unfilled d state of Pt in catalysts determines the reactivity for H2O2 oxidation.