the National Advanced Materials Committee (Grant No.715-006-0122), the Ministry of Science and Technology of China (Grant No. 1999022401) and the National Natural Science Foundation of China (Grant No. 59789201).
A series of BaZr0.2Co0.8-χFeχO3-σ materials for oxygen separation were synthesized through a citric and EDTA acid combined complexing method, and their crystal structures, oxygen permeabilities, sintering and seali...