Reversing Mg suppression effect on Co-site water oxidation of MgCo<sub>2</sub>O<sub>4</sub> based on vanadium-atom electronic affinity synergy with Mg sites toward electronic redistribution
Hui Zhang, Hui Han, Xuan Yang, Hongyu Ma, Zhifei Song, Xuqiang Ji
Abstract
Vanadium-doping-tailored MgCo 2 O 4 coupled with MgO (V–MgCo 2 O 4 @MgO) exhibits significantly reinforced OER performance, with low overpotentials of 240 and 290 mV for 100 and 500 mA cm −2 , respectively, in 1 M KOH.
Topics & Concepts
VanadiumRedistribution (election)ChemistryCatalysisInorganic chemistryDopingAtom (system on chip)Physical chemistryMaterials scienceComputer scienceEmbedded systemPolitical sciencePoliticsOptoelectronicsLawBiochemistryElectronic and Structural Properties of OxidesElectrocatalysts for Energy ConversionCopper-based nanomaterials and applications