Activation in the rate of oxygen release of Sr<sub>0.8</sub>Ca<sub>0.2</sub>FeO<sub>3−<i>δ</i></sub> through removal of secondary surface species with thermal treatment in a CO<sub>2</sub>-free atmosphere
Giancarlo Luongo, Alexander H. Bork, Paula M. Abdala, Yi‐Hsuan Wu, Evgenia Kountoupi, Felix Donat, Christoph R. Müller
Abstract
, surface carbonates re-form and yield a deactivation of the perovskite oxygen carrier, which is often overlooked when using such materials at relatively low temperature (≤500 °C) in chemical looping.
Topics & Concepts
OxygenThermalAnalytical Chemistry (journal)MineralogyChemistryNuclear chemistryRadiochemistryEnvironmental chemistryPhysicsThermodynamicsOrganic chemistryElectronic and Structural Properties of OxidesCatalytic Processes in Materials ScienceMagnetic and transport properties of perovskites and related materials