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An easy-to-approach and comprehensive model for planar type SOFCs by P.W. Li; A. Kotwal; J.L. Sepulveda; R.O. Loutfy; S. Chang is a Engineering article available to read on EtoBox.

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An easy-to-approach and comprehensive mathematical model for planar type solid oxide fuel cells is presented in the current work. It provides a tool for researchers to conduct parametric studies with less-intensive computation in order to grasp the fundamentals of coupled mass transfer, electrochemical reaction, and current conduction in a fuel cell. In the model, the analysis for the mass transfer polarization at a known average fuel cell operating temperature is based on an average mass transfer model analogous to an average heat transfer process in a duct flow. The effect of the species' partial pressure at electrode/electrolyte interfaces is therefore included in the exchange current density for activation polarizations. An electrical circuit for the current and ion conduction is used to analyze the ohmic losses from anode current collector to cathode current collector. The three types of over-potentials caused by different polarizations in a planar type solid oxide fuel cell can be identified and compared. The effects of species concentrations, properties of fuel cell components to the voltage-current performance of a fuel cell at different operating conditions are studied. Op

Who reads An easy-to-approach and comprehensive model for planar type SOFCs?

Author

P.W. Li; A. Kotwal; J.L. Sepulveda; R.O. Loutfy; S. Chang

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0360-3199)

Published

2009

Language

EN

Field

Engineering (Physical Sciences)