Strain-controlled spin regulation in Fe–N–C catalysts for enhanced oxygen reduction reaction activity
Ming-Yuan Yu, Jiaxiang Wu, Yashi Chen, Yongping Du, Ang Li, Erjun Kan, Cheng Zhan
Abstract
We reveal the bonding mode between the Fe–N–C catalytic center and the ligand in ORR and the origin of the spin multiplicity. The spin state can be regulated by strain to improve the reaction activity.
Topics & Concepts
CatalysisSpin statesStrain (injury)Multiplicity (mathematics)OxygenSpin (aerodynamics)ChemistryOxygen reduction reactionLigand (biochemistry)Materials scienceCrystallographyPhysical chemistryPhysicsInorganic chemistryBiologyThermodynamicsOrganic chemistryReceptorElectrochemistryElectrodeMathematicsMathematical analysisBiochemistryAnatomyElectrocatalysts for Energy ConversionFuel Cells and Related MaterialsSemiconductor materials and devices