Oxygen deficient yolk–shell structured Co<sub>3</sub>O<sub>4</sub> microspheres as an oxygen evolution reaction electrocatalyst for anion exchange membrane water electrolyzers
In Tae Kim, Sang-Hyun Kim, Jun Seok Ha, Tae Ha Kim, Jungho Cho, Gi Dae Park, Yoo Sei Park
Abstract
A yolk–shell structured Co 3 O 4 , with abundant voids and large surface areas, facilitated efficient mass transport and enabled the implementation of high-performance anion exchange membrane water electrolyzer at high current density.
Topics & Concepts
ElectrocatalystElectrolysisIon exchangeOxygen evolutionOxygenChemical engineeringElectrolysis of waterShell (structure)MembraneMicrosphereChemistryIonMaterials scienceInorganic chemistryElectrodeElectrochemistryPhysical chemistryOrganic chemistryComposite materialBiochemistryEngineeringElectrolyteElectrocatalysts for Energy ConversionAdvanced battery technologies researchFuel Cells and Related Materials