Sulfur Doping versus Hierarchical Pore Structure: The Dominating Effect on the Fe–N–C Site Density, Activity, and Selectivity in Oxygen Reduction Reaction Electrocatalysis
Giorgia Daniel, Marco Mazzucato, Riccardo Brandiele, Laura De Lazzari, Denis Badocco, Paolo Pastore, Tomasz Kosmala, Gaetano Granozzi, Christian Durante
Abstract
SD is a necessary but not sufficient condition for increasing the catalytic activity of the material, unless the textural properties are also optimized, i.e., there must be an optimized hierarchical porosity that facilitates the mass transport to the active sites.
Topics & Concepts
CatalysisCarbon fibersMaterials scienceSulfurMesoporous materialInorganic chemistryDibenzothiopheneElectrocatalystOxygenSpecific surface areaDopingNitrogenChemical engineeringElectrochemistryChemistryOrganic chemistryElectrodePhysical chemistryEngineeringOptoelectronicsComposite materialMetallurgyComposite numberElectrocatalysts for Energy ConversionFuel Cells and Related MaterialsNanomaterials for catalytic reactions