Date of download: 11/11/2017 Copyright © ASME. All rights reserved. From: Study of the Rate Limiting Step of the Cathodic Process in Anode Supported Solid Oxide Fuel Cell J. Fuel Cell Sci. Technol. 2008;5(1):011010-011010-7. doi:10.1115/1.2784295 Figure Legend: Complex plane impedance diagram of the cell at OCV and 800°C. Cathode gas—air; anode gas—pure humidified hydrogen. (○), experimental data; (line), fitting with LR(R1Q1)(R2C2)(R3Q3). L=3.06×10−7H; R=0.11Ω; R1=0.17Ω; Q1=0.012; n1=0.61; R2=0.02Ω; C2=0.043F; R3=0.65; Q3=0.042; n3=0.78.

Date of download: 11/11/2017 Copyright © ASME. All rights reserved. From: Study of the Rate Limiting Step of the Cathodic Process in Anode Supported Solid Oxide Fuel Cell J. Fuel Cell Sci. Technol. 2008;5(1):011010-011010-7. doi:10.1115/1.2784295 Figure Legend: Values of the resistances—extracted from the fitting with LR(R1Q1)(R2C2)(R3Q3)—versus oxygen partial pressures. (○), R1 (high frequency resistance); (▵): R2 (intermediate frequency resistance); and (□). R3 (low frequency resistance).

Date of download: 11/11/2017 Copyright © ASME. All rights reserved. From: Study of the Rate Limiting Step of the Cathodic Process in Anode Supported Solid Oxide Fuel Cell J. Fuel Cell Sci. Technol. 2008;5(1):011010-011010-7. doi:10.1115/1.2784295 Figure Legend: Dependence between ln(1∕Rp) and ln[p(O2)] at three different temperatures. The anode gas is humidified hydrogen. The solid lines describe the calculated equations.

Date of download: 11/11/2017 Copyright © ASME. All rights reserved. From: Study of the Rate Limiting Step of the Cathodic Process in Anode Supported Solid Oxide Fuel Cell J. Fuel Cell Sci. Technol. 2008;5(1):011010-011010-7. doi:10.1115/1.2784295 Figure Legend: OCV Impedance plots at different partial pressures of the oxygen in a mixture with argon at 700°C. The anode gas is pure humidified hydrogen. The real part is corrected for the Ohmic resistance.