▎ 摘　　要

NOVELTY - Electrode material composite material of gold nano material and the graphene nano tube, the adding mass fraction of the gold nano-material is 0-65 % of the mass of the graphene. USE - The electrode material is used for power supply of large-scale fuel cell of data center. ADVANTAGE - The method provides a preparation method of electrode material for large scale hydrogen fuel cell power supply scene, reduces the manufacturing cost of PEM fuel cell membrane electrode material, and improves the electrochemical performance of the fuel cell. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a preparing electrode material for data center large-scale fuel cell power supply.