Ultra-high dispersion of Ni-based OER catalysts on graphene 3D networks enhances the <i>in situ</i> Fe<sup>3+</sup> catalytic activation
María González-Ingelmo, Miriam López García, F. Palacio, Patricia Álvarez, Clara Blanco, Ricardo Santamarı́a, Victoria G. Rocha
Abstract
Ultradispersed and nanosized Ni-based particles supported on 3D graphene networks by a freeze-casting method exhibit good catalytic properties towards the OER and outstanding Fe-ion activation from the impurities present in the alkaline electrolyte.
Topics & Concepts
CatalysisGrapheneMaterials scienceElectrolyteDispersion (optics)Chemical engineeringIn situCastingImpurityNanoparticleIonInorganic chemistryNanotechnologyChemistryMetallurgyPhysical chemistryElectrodeOrganic chemistryPhysicsOpticsEngineeringElectrocatalysts for Energy ConversionAdvancements in Battery MaterialsAdvanced Photocatalysis Techniques