Electrochemical impedance spectroscopy of BaCeO3 modified by Ti and Y

Advanced materials for SOFC application: Strategies for the development of highly conductive and stable solid oxide proton electrolytes

“…For example, the increase in titanium concentration (x) in Ba(Ce 1-x Ti x ) 1-y Y y O 3-δ (0≤х≤0.3, y=0.05, 0.1 and 0.2) was found to improve the stability both in water vapor medium and in CO 2 -containing atmosphere [31]. The increase in yttrium concentration (y) leads to the decrease in materials stability compared with In their next work [33], they investigated the electrical properties of the same system. They found that the introduction of titanium improves the transport properties, compared with pure BaCeO 3 , due to the increase of the grain boundary resistance of ceramics.…”

Formation of dense electrolytes based on BaCeO3 and BaZrO3 for application in solid oxide fuel cells: The role of solid-state reactive sintering

“…The main disadvantages of this method are low homogeneity, complexity of size control for material particles, low specific surface of powders, high sintering temperatures, and long sintering time [20]. For example, for materials based on BaCeO 3 , the sintering temperature and soaking time are within 1400-1675°С and 10-120 h, respectively (Table 1, [21][22][23][24][25][26][27][28]). The production of gastight materials derived from BaZrO 3 requires even higher sinter ing temperatures [29][30][31][32].…”

BaCeO3: Materials development, properties and application

“…Each of these stages requires careful preparation taking into account the nature of the components used for synthesis. After the solid state synthesis of barium cerate based powders from the corresponding oxides and carbonates, the further fabrication of gastight ceramics demands high sintering temperatures and a long dwelling time [76][77][78][79][80][81][82][83].…”