The promotional effect of multiple active sites on Fe-based oxygen reduction electrocatalysts for a zinc–air battery
Zhiwen Li, Yan Xie, Jianxin Gao, Xiaoke Zhang, Jia Zhang, Yu Liu, Gao Li
Abstract
The Hm/Cy@C-900 catalyst exhibits a ORR performance ( E 1/2 0.845 V vs. RHE), and its equipped zinc–air battery reaches a power density of 192 mW cm −2 @260.7 mA cm −2 , which is attributed to the promotional effect of FeS x and Fe 3 C clusters with FeN x sites.
Topics & Concepts
Battery (electricity)ZincOxygen reductionCatalysisReduction (mathematics)Oxygen reduction reactionOxygenMaterials sciencePower densityChemistryElectrodeChemical engineeringPower (physics)Inorganic chemistryMetallurgyEngineeringPhysicsElectrochemistryMathematicsPhysical chemistryBiochemistryOrganic chemistryThermodynamicsGeometryElectrocatalysts for Energy ConversionAdvanced battery technologies researchFuel Cells and Related Materials