Theoretically probing the possible degradation mechanisms of an FeNC catalyst during the oxygen reduction reaction
Na Yang, Lanlan Peng, Li Li, Jing Li, Qiang Liao, Minhua Shao, Zidong Wei
Abstract
We summarize possible catalyst degradation mechanisms during the ORR. Protonation on an N atom of bare FeNC catalysts is difficult, leaching of the Fe site is also likely to happen, due to successive N protonation that destroys the FeN 4 moiety releasing Fe(OH) 2 species.
Topics & Concepts
ProtonationCatalysisMoietyChemistryDegradation (telecommunications)Leaching (pedology)PhotochemistryOxygen atomOxygenCombinatorial chemistryInorganic chemistryOrganic chemistryMoleculeComputer scienceEnvironmental scienceSoil scienceTelecommunicationsIonSoil waterElectrocatalysts for Energy ConversionCatalytic Processes in Materials ScienceAmmonia Synthesis and Nitrogen Reduction