Effect of the valence state of Mn in MnO<sub>x</sub>/Ti<sub>4</sub>O<sub>7</sub> composites on the catalytic performance for oxygen reduction reaction and oxygen evolution reaction
Fan Bai, Lincheng Xu, Daode Wang, Li An, Zhanzhong Hao, Fan Li
Abstract
Manganese oxide composites with mixed valence states were prepared by compositing with Ti<sub>4</sub>O<sub>7</sub> and calcination temperature could influence their ORR and OER catalytic performance observably.
Topics & Concepts
Oxygen evolutionCatalysisManganeseOverpotentialValence (chemistry)Materials scienceX-ray photoelectron spectroscopyCalcinationElectrochemistryChemical engineeringBifunctionalOxideHigh-resolution transmission electron microscopyChemistryNanotechnologyMetallurgyElectrodePhysical chemistryBiochemistryEngineeringTransmission electron microscopyOrganic chemistryElectrocatalysts for Energy ConversionAdvanced battery technologies researchSupercapacitor Materials and Fabrication