▎ 摘　　要

The selectivity of catalyst is an essential factor in direct methanol fuel cells (DMFCs) and plays an important role to improve their performance. To this end, platinum (Pt)-based low-cost trimetallic catalysts have been developed. The catalyst comprising ultra-low Pt-decorated NiCu bimetallic alloys nanoparticles fabricated on reduced graphene oxide (rGO). The series of Pt-NiCu/rGO nanocomposites were synthesized with different compositions to obtain the optimal conditioned material. The electrochemical results showed good performance for the electro-oxidation of methanol at anodic end of DMFCs. These outcomes opened up a broad avenue for developing lower cost-active catalysts with better performance for DMFCs.