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Is iron nitride or carbide highly active for oxygen reduction reaction in acidic medium?
54
Citations
52
References
2016
Year
EngineeringAcidic MediumChemistryCatalyst ActivationRedox BiologyChemical EngineeringReactive Nitrogen SpecieRedox ChemistryMaterials ScienceInorganic ChemistryGaseous ReductionCatalysisHydrogenCatalytic ProcessElectrochemistryOxygen Reduction ReactionHigh Orr ActivitiesHeterogeneous CatalysisSingle-atom CatalystChemical Kinetics
The high ORR activities in acidic medium for the so-called Fe<sub>2</sub>N- and Fe<sub>3</sub>C-based catalysts actually originate from the trace of Fe–N<sub>x</sub>/C moieties (<italic>x</italic> ≥ 4) rather than the Fe<sub>2</sub>N or Fe<sub>3</sub>C phases themselves.
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