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Christian Niedrig

Electrochemical Performance and Stability of Ba₀.₅Sr₀.₅Co₀.₈Fe₀.₂O₃₋δ for Oxygen Transport Membranes

(Schriften des Instituts für Angewandte Materialien - Werkstoffe der Elektrotechnik, Karlsruher Institut für Technologie ; 28)

AutorNiedrig, Christian

VerlagKIT Scientific Publishing, Karlsruhe

ISBN9783731504375

UmfangIV, 180 S.

Veröffentlicht
am:
23.12.2015

Erscheinungs-
jahr
2015

VerfügbarkeitAktiv

Downloads:

Für Zitate bitte die folgende URL verwenden:
http://dx.doi.org/10.5445/KSP/1000049670

Abstract

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.