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. 2022 Sep 19;14(38):43067–43084. doi: 10.1021/acsami.2c06565

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© 2022 The Authors. Published by American Chemical Society

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Electrochemical performance in terms of I–V and I–P curves for the Sr_0.5Pr_0.5Fe_0.4Ti_0.6O_3−δ cell (a), Sr_0.5Pr_0.5Fe_0.3Mg_0.1Ti_0.6O_3−δ cell (b), and Sr_0.5Pr_0.5Fe_0.2Mg_0.2Ti_0.6O_3−δ fuel cell (c) at an operating temperature of 520–420 °C; EIS spectra of Sr_0.5Pr_0.5Fe_0.3Mg_0.1Ti_0.6O_3−δ (d) and Sr_0.5Pr_0.5Fe_0.2Mg_0.2Ti_0.6O_3−δ (e) at the temperature of 520–420 °C in the H₂ and air environment; and total and ionic conductivities of Sr_0.5Pr_0.5Fe_0.2Mg_0.2Ti_0.6O_3−δ and Sr_0.5Pr_0.5Fe_0.3Mg_0.1Ti_0.6O_3−δ at 420–520 °C (f).