Tuning the properties of CoFe-layered double hydroxide by vanadium substitution for improved water splitting activity
Baghendra Singh, Arindam Indra
Abstract
Here, we demonstrate the enhanced water splitting activity of CoFe-LDH by vanadium substitution. Volcano plots are obtained for intrinsic water oxidation and hydrogen evolution with increasing vanadium substitution, and the best catalyst V0.3-CoFe-LDH achieved 10 mA cm-2 current density for H2 and O2 evolution merely at 98 mV and 240 mV overpotential, respectively.
Topics & Concepts
VanadiumSubstitution (logic)HydroxideMaterials scienceWater splittingVanadium dioxideInorganic chemistryChemical engineeringCrystallographyChemistryNanotechnologyMetallurgyOrganic chemistryCatalysisThin filmComputer sciencePhotocatalysisProgramming languageEngineeringElectrocatalysts for Energy ConversionAdvanced Photocatalysis TechniquesAdvanced battery technologies research