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Solid oxide fuel cell (SOFC) is one of the most promising technologies for future power generation. In order to make this technology marketable, many issues as cost reduction, durability, and operational management have to be overcome. Therefore, the understanding of thermodynamic and electrochemical mechanisms, that govern the SOFC behavior in steady‐state and in transient operation, becomes fundamental...
A simple method for analysing a fuel cell system using the voltage response to a step change in load resistance is presented in this work. With the modified Randles model, where two resistors and two capacitors are implemented for the Warburg impedance, the response curve is fitted with three exponential curves. Six independent equations corresponding to six parameters of the model can be obtained...
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