Composition and microstructure optimization and operation stability of barium deficient Ba1axCo0.7Fe0.2Nb0.1O3aI' perovskite oxide electrodes

• Published in: Electrochimica acta Vol. 103; pp. 23 - 31
• Main Authors: Wang, Fucun, Chen, Dengjie, Shao, Zongping
• Format: Journal Article
• Language: English
• Published: 01.07.2013
• Subjects: Carbon dioxide; Cathodes; Electrodes; Electrolytic cells; Microstructure; Optimization; Oxides; Stability

Ba1axCo0.7Fe0.2Nb0.1O3aI' oxides (x = 0, 0.05 and 0.10) were optimized as potential cathodes on oxygen ionic conductor electrolyte for intermediate temperature solid oxide fuel cells (IT-SOFCs). The creation of additional oxygen vacancies in Ba0.9Co0.7Fe0.2Nb0.1O3aI' was confirmed. Low pol...