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Prediction of Infiltrated Solid Oxide Fuel Cell Cathode Polarization Resistance by Megna Shah; Jason D. Nicholas; Scott A. Barnett is a Engineering article available to read on EtoBox.

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The polarization resistance of La 0.6 Sr 0.4 Co 0.2 Fe 0.8 O 3Àd (LSCF)-infiltrated Ce 0.9 Gd 0.1 O 1.95 cathodes was quantitatively explained using a simple model where the resistance scaled directly with the LSCF surface area, as estimated from cross-sectional fracture surfaces. The Tanner, Fung, Virkar composite cathode model was also applied and showed that ionic transport in these 25-lm-thick cathodes was not a significant limitation at 600 °C, but became more limiting at 700 °C. Calculated polarization resistances were within $40% (without fitting parameters) of reported values.

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Author

Megna Shah; Jason D. Nicholas; Scott A. Barnett

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 1388-2481)

Published

2009

Language

EN

Field

Engineering (Physical Sciences)