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Table 1 The fitting results of impedance spectra using the R1(R2Q2)(R3Q3) equivalent circuit. Resistance (R); Q has a unit of F cm−2

From: The sintering temperature effect on electrochemical properties of Ce0.8Sm0.05Ca0.15O2-δ (SCDC)-La0.6Sr0.4Co0.2Fe0.8O3-δ (LSCF) heterostructure pellet

S. temp R 1 Q 1 n C 1 R 2 Q 2 n R 3 C 2
600 °C 0.1112 1.143 0.3026 9.848E−3 0.0603 2.483E−4 0.72 0.0291 3.847E−6
800 °C 0.1377 1.254 0.2856 1.55E−2 0.0280 2.677E−4 0.82 0.0339 2.409E−5
900 °C 0.1464 1.388 0.813 0.9620 0.1282 2.834E−4 0.47 0.5949 1.96E−8
1000 °C 0.2174 1.472 0.80 1.10713 0.4718 3.146E−4 0.57 0.7494 8.34E−7