Simulation study about the geometry of electrode-electrolyte contact in a SOFC

We tested, by means of simulations, the idea of a patterned contact between composite electrode and electrolyte of a SOFC. Simulation results show that the patterned studied geometry can improve the performance of the assembly in “intermediate” conditions, i.e. when there are neither ohmic nor kinet...

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Bibliographic Details
Published in:Journal of electroceramics 2012-11, Vol.29 (3), p.216-224
Main Authors: Delloro, F., Viviani, M.
Format: Article
Language:English
Subjects:
Assembly
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composites
Condensed Matter
Contact
Crystallography and Scattering Methods
Electrochemistry
Electrodes
Electrolytes
Gain
Glass
Materials Science
Natural Materials
Optical and Electronic Materials
Physics
Simulation
Solid oxide fuel cells
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Summary:We tested, by means of simulations, the idea of a patterned contact between composite electrode and electrolyte of a SOFC. Simulation results show that the patterned studied geometry can improve the performance of the assembly in “intermediate” conditions, i.e. when there are neither ohmic nor kinetic limitations. The gain reached up to 45 % in terms of current density drawn, with respect to a standard flat contact.
ISSN:1385-3449
1573-8663
DOI:10.1007/s10832-012-9766-8