fig7

Figure 7. High-throughput calculation results of hydration energy of (A) BaCeO₃-derived; (B) BaZrO₃-derived; (C) BaHfO₃-derived; and (D) BaSnO₃-derived oxides; (E) Cross-sectional SEM image of BSCYb172/BSCYb172/BPHYC single cell; (F) Typical I-V curves measured in electrolysis mode at 500-650 °C air (30% H₂O) in the air electrode; (G) and (H) I-V-P curves measured in the fuel mode at 400-650 °C with H₂ (3% H₂O) in the fuel electrode and air in the air electrode; (I) Comparison of peak power densities of proton-conducting solid oxide fuel cells at 400-650 °C. Reproduced with permission from Luo et al.^[62] Copyright 2024 John Wiley & Sons. I-V: Current-voltage; I-V-P: current-voltage-power.