Abstract
Yttria stabilised zirconium oxide (YSZ) is a very important class of ceramic with unique mechanical and electrochemical properties. For this reason, YSZ is been widely used in oxygen sensors and solid oxide fuel cells (SOFC). Among the different SOFC configurations, the electrolyte-supported one exhibits better mechanical robustness and resistance to redox cycles than the electrode-supported configuration. However, its main inconvenience is that electrolyte-supported cells are prepared over 100–300 µm thick electrolytes and, as a consequence, they are designed to operate at high temperatures to reduce its ohmic resistance, typically about 900°C for YSZ electrolytes.
© 2017 IEEE
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