Oxygen-vacancy-mediated electron localization at the nickel sites in nickel/iron layered double hydroxide towards efficient oxygen evolution reaction
Jing Zhang, Meng Li, Zhiqiang Qiao, Kaixuan Huo, Yang Yang, Deqiang Ji, Dandan Yuan, Liyu Lin, Zhida Li, Hongjun Wu
Abstract
Fe weakens Ni–O bonds in NiFe-LDH, generating abundant oxygen vacancies that can mediate electron transfer from Fe to Ni.
Topics & Concepts
NickelHydroxideOxygenElectron transferElectronMaterials scienceOxygen evolutionVacancy defectInorganic chemistryChemistryPhotochemistryCrystallographyPhysical chemistryMetallurgyOrganic chemistryPhysicsElectrodeElectrochemistryQuantum mechanicsElectrocatalysts for Energy ConversionAdvanced battery technologies researchCatalytic Processes in Materials Science