Intensified gas diffusion in ordered mesoporous PtCo alloys for enhanced oxygen reduction electrocatalysis
Kunming Song, Fantao Kong, Ruxiang Shen, Xu Yu, Han Tian, Qiuyun Guo, Gang Zhang, Wenping Sun, Xiangzhi Cui
Abstract
Three-dimensional ordered meso-structured PtCo alloy nanoparticles are fabricated to enhance O 2 diffusion and accelerate the kinetics of oxygen reduction in proton-exchange membrane fuel cells.
Topics & Concepts
ElectrocatalystMesoporous materialDiffusionMaterials scienceOxygen reduction reactionOxygenGaseous diffusionOxygen reductionReduction (mathematics)Chemical engineeringChemistryCatalysisElectrodeElectrochemistryPhysical chemistryThermodynamicsPhysicsEngineeringBiochemistryOrganic chemistryMathematicsGeometryElectrocatalysts for Energy ConversionFuel Cells and Related MaterialsElectrochemical Analysis and Applications