Electrochemical Performance and Stability of Ba₀.₅Sr₀.₅Co₀.₈Fe₀.₂O₃₋δ for Oxygen Transport Membranes
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Beschreibung
Mixed ionic-electronic conducting (MIEC) ceramics as oxygen transport membranes (OTMs) can provide high oxygen permeation rates at comparably low energy demands. For this purpose, Ba₀.₅Sr₀.₅Co₀.₈Fe₀.₂O₃₋δ (BSCF) shows the best performance under ideal operating conditions. Thermal and chemical stability investigations, electrical behavior σ(T,pO₂,t), and oxygen exchange parameter extraction by means of electrical conductivity relaxation resulted in a far better understanding of the BSCF system.
Mixed ionic-electronic conducting (MIEC) ceramics as oxygen transport membranes (OTMs) can provide high oxygen permeation rates at comparably low energy demands. For this purpose, Ba₀.₅Sr₀.₅Co₀.₈Fe₀.₂O₃₋δ (BSCF) shows the best performance under ideal operating conditions. Thermal and chemical stability investigations, electrical behavior σ(T,pO₂,t), and oxygen exchange parameter extraction by means of electrical conductivity relaxation resulted in a far better understanding of the BSCF system.
Autor*in
Christian Niedrig
Themen in »Electrochemical Performance and Stability of Ba₀.₅Sr₀.₅Co₀.₈Fe₀.₂O₃₋δ for Oxygen Transport Membranes«
electrochemical characterization elektrochemische Charakterisierung elektronische/ionische Mischleiter BSCF oxygen transport membranes thermal and chemical stability BSCF Sauerstofftransportmembranen thermische und chemische Stabilität mixed ionic-electronic conductors