Pt4PdCu0.4 alloy nanoframes as highly efficient and robust bifunctional electrocatalysts for oxygen reduction reaction and formic acid oxidation

A copper-assisted selective deposition-etching approach has been developed for Pt4PdCu0.4 alloy nanoframes. The enhanced activity and durability by electronic and surface structure effects endow Pt4PdCu0.4 nanoframes as a bifunctional electrocatalyst in oxygen reduction and formic acid oxidation.246