Dynamic Mo leaching and vacancy engineering synergize HER and OER kinetics in NiFe-based catalysts for overall water electrolysis
Wendi Zhang, Yuxuan Xiao, Lun Li, Zhichao Yu, Jinxian Feng, Chengcheng Zhong, Weng Fai Ip, Hui Pan
Abstract
Dynamic Mo leaching in NiFe-LDH generates oxygen vacancies that drive OER surface reconstruction and optimize the HER microenvironment, enabling durable water electrolysis in AEMWE.
Topics & Concepts
Oxygen evolutionBifunctionalAlkaline water electrolysisCatalysisLeaching (pedology)Water splittingElectrolysisElectrolysis of waterElectrochemistryHydroxideHydrogen productionMaterials scienceChemical engineeringInorganic chemistryFaraday efficiencyElectrocatalystChemistryPolymer electrolyte membrane electrolysisMolybdenumIon exchangeRational designVanadiumBifunctional catalystHydrogenProton exchange membrane fuel cellMembranePourbaix diagramOxygenElectrocatalysts for Energy ConversionAmmonia Synthesis and Nitrogen ReductionCatalytic Processes in Materials Science