Thermally activated carbon–nitrogen vacancies in double-shelled NiFe Prussian blue analogue nanocages for enhanced electrocatalytic oxygen evolution
Miaomiao Jiang, Xiaoming Fan, Shuai Cao, Zihan Wang, Zeheng Yang, Weixin Zhang
Abstract
Double-shelled NiFe PBAs nanocages with abundant CN vacancies have been fabricated through an ion-exchange reaction based on a nanoscale Kirkendall effect followed by mild thermal activation, which have an impressive OER activity with low overpotential and long-term stability.
Topics & Concepts
NanocagesPrussian blueKirkendall effectOverpotentialOxygen evolutionMaterials scienceThermal stabilityNitrogenCarbon fibersThermal treatmentChemical engineeringInorganic chemistryCatalysisChemistryMetallurgyElectrodeElectrochemistryPhysical chemistryComposite materialEngineeringBiochemistryOrganic chemistryComposite numberElectrocatalysts for Energy ConversionAdvanced battery technologies researchAdvancements in Battery Materials