Trimetallic PtNiCo branched nanocages as efficient and durable bifunctional electrocatalysts towards oxygen reduction and methanol oxidation reactions

A trimetallic PtNiCo branched nanocage was fabricated via an etching process. The optimized electronic structure with Co and Ni accelerate the sluggish kinetic process in ORR and MOR with significantly catalytic enhancement and high durability.