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1 Prace Naukowe Politechniki Warszawskiej. Mechanika

1 2003

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Optimisation of electrode microstructure in solid oxide fuel cells

Chan S. H., Xia Z. T., Khor K. A.

Prace Naukowe Politechniki Warszawskiej. Mechanika

2003

z. 202

25--34

This paper presents a micro model for SOFC anode. The model is an improved version of that previously presented in Electrochemical Soc. 148 (2001) 388. The model takes into account all possible polarizations, governing the complex relationships among the transport phenomena, electrochemical reaction and microstructure of the anode and their combined effect on the anode overpotential under different operating conditions. To demonstrate the predictive capability of this micro model, brief validation of the predicted anode resistance has been conducted against the experimental results conducted on different cermet particle size, anode thickness and water content in the hydrogen.