A dual promotion of oxygen reduction on Pt in membrane electrode assemblies by hydroxyphenyl metal porphyrins
Meihua Tang, Chunping Wang, Zhenying Zheng, Xiaoxiao Wang, Fulong Zhu, Shengli Chen
Abstract
Hydroxyphenyl metal porphyrins as additives enable oxygen reduction reaction-favorable Pt–Nafion interfaces, by breaking the sulfonate–Pt interaction and enriching O 2 molecules to provide additional oxygen transport pathways.
Topics & Concepts
Oxygen reductionElectrodeDual (grammatical number)Reduction (mathematics)ChemistryMembraneOxygenMetalPromotion (chess)Inorganic chemistryCombinatorial chemistryOrganic chemistryElectrochemistryPolitical scienceArtBiochemistryMathematicsLawPhysical chemistryGeometryLiteraturePoliticsFuel Cells and Related MaterialsElectrocatalysts for Energy ConversionElectrochemical Analysis and Applications