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Metodą reakcji w fazie stałej wytworzono trzy różne, złożone tlenki o strukturze perowskitu: La0,6Sr0,4Fe0,8Co0,2O3+δ, Ba0,5Sr0,5Co0,8Fe0,2O3+δ i La2Ni0,9Co0,1O4-δ, z których uformowano gęste membrany tlenowe. Badania proszków potwierdziły uzyskanie jednofazowych materiałów o założonym składzie chemicznym. Analiza dyfrakcyjnych widm rentgenowskich wykazała, że różnice rozmiarów kationów tworzących...
Mixed oxides with the perovskite-like structure, possessing mixed electronic and ionic electrical conductivities are proposed for dense ceramic membranes production for both oxygen separation and oxy-combustion processes. In this study three perovskite-type mixed oxides La(0.6)Sr(0.4)Fe(0.8)Co(0.2)O(3+β) (LSCF), Ba(0.5)Sr(0.5)Co(0.8)Fe(0,2)O(3+β) (BSCF) and La2Ni(0.9)Co(0.1)O(4-β) (LNC), considered...
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