High-coordination Fe–N<sub>4</sub>SP single-atom catalysts <i>via</i> the multi-shell synergistic effect for the enhanced oxygen reduction reaction of rechargeable Zn–air battery cathodes
Jiaqi Liu, Weibin Chen, Shuang Yuan, Tie Liu, Qiang Wang
Abstract
Novel Fe single-atom catalysts with highly coordinated Fe–N 4 SP structures were designed via the multi-coordination-shell synergistic effect. The optimization of the catalysts enhances their ORR activity in alkaline/acidic media towards rechargeable Zn–air batteries.
Topics & Concepts
CatalysisOxygen reduction reactionBattery (electricity)CathodeAtom (system on chip)ChemistryOxygen atomShell (structure)Oxygen reductionInorganic chemistryMaterials scienceChemical engineeringElectrodePhysical chemistryMoleculeElectrochemistryOrganic chemistryComputer scienceEngineeringPhysicsEmbedded systemComposite materialPower (physics)Quantum mechanicsElectrocatalysts for Energy ConversionAdvanced battery technologies researchCatalytic Processes in Materials Science