A hierarchical CuO@NiCo layered double hydroxide core–shell nanoarray as an efficient electrocatalyst for the oxygen evolution reaction
Yang Cao, Ting Wang, Xue Li, Longcheng Zhang, Yonglan Luo, Fang Zhang, Abdullah M. Asiri, Jianming Hu, Qian Liu, Xuping Sun
Abstract
A hierarchical CuO@NiCo LDH core–shell nanoarray on copper foil (CuO@NiCo LDH/CF) acts as an efficient and durable oxygen-evolving electrocatalyst, capable of driving 20 mA cm<sup>−2</sup> at an overpotential of only 256 mV in 1.0 M KOH.
Topics & Concepts
OverpotentialElectrocatalystOxygen evolutionHydroxideMaterials scienceOxygen reduction reactionOxygenShell (structure)FOIL methodChemical engineeringCopperNanotechnologyChemistryInorganic chemistryElectrodePhysical chemistryElectrochemistryMetallurgyComposite materialEngineeringOrganic chemistryElectrocatalysts for Energy ConversionAdvanced battery technologies researchCopper-based nanomaterials and applications