Strengthening oxygen reduction activity based on the cooperation of pyridinic-N and graphitic-N for atomically dispersed Fe sites
Gengyu Xing, Guangying Zhang, Baoluo Wang, Miaomiao Tong, Chungui Tian, Lei Wang, Honggang Fu
Abstract
Theoretical calculations predicted the combination of pyridinic-N and graphitic-N promotes electrocatalytic ORR activity of Fe SASs. Thus, a Fe–N 4 SAS-based catalyst was designed and showed excellent performance for ORR and an alkaline H 2 /O 2 fuel cell.
Topics & Concepts
Oxygen reductionOxygen reduction reactionFuel cellsSassCatalysisReduction (mathematics)Chemical engineeringChemistryMaterials scienceInorganic chemistryCombinatorial chemistryPhysical chemistryComputer scienceElectrodeOrganic chemistryEngineeringElectrochemistryMathematicsWorld Wide WebGeometryElectrocatalysts for Energy ConversionFuel Cells and Related MaterialsAdvanced battery technologies research