<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The aim of the work was to develop a mathematical model for computing the steady-state voltage – current characteristics of a planar Solid Oxide Fuel Cell and to determine the performance of a new SOFC design. The design involves cross-flow bipolar plates. Each of the bipolar plates has an air channel system on one side and a fuel channel system on the other side. The proposed model was developed using the ANSYS-Fluent commercial Computational Fluid Dynamics (CFD) software supported by additional Fuel Cell module. The results confirm that the model can well simulate the diagonal current path. The effects of temperature and gas flow through the channels and a Membrane Electrode Assembly (MEA) structure were taken into account. It was shown that a significant increase of the MEA temperature at high current density can lead to hot spots formation and hence electrode damage.</p></abstract>

The aim of the work was to develop a mathematical model for computing the steady-state voltage – current characteristics of a planar Solid Oxide Fuel Cell and to determine the performance of a new SOFC design. The design involves cross-flow bipolar plates. Each of the bipolar plates has an air channel system on one side and a fuel channel system on the other side. The proposed model was developed using the ANSYS-Fluent commercial Computational Fluid Dynamics (CFD) software supported by additional Fuel Cell module. The results confirm that the model can well simulate the diagonal current path. The effects of temperature and gas flow through the channels and a Membrane Electrode Assembly (MEA) structure were taken into account. It was shown that a significant increase of the MEA temperature at high current density can lead to hot spots formation and hence electrode damage.

Simulation of the steady-state behaviour of a new design of a single planar Solid Oxide Fuel Cell

West Pomeranian University of Technology, Szczecin, Institute of Chemical Engineering and Environmental Protection Processes, al. Piastów 42, 71-065 Szczecin, Poland

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The aim of the work was to develop a mathematical model for computing the steady-state voltage – current characteristics of a planar Solid Oxide Fuel Cell and...

Simulation of the steady-state behaviour of a new design of a single planar Solid Oxide Fuel Cell

Published Online: Apr 04, 2016

Page range: 64 - 71

DOI: https://doi.org/10.1515/pjct-2016-0011

Keywords
planar Solid Oxide Fuel Cell stack, Computational Fluid Dynamics, voltage – current characteristics, temperature distributions

© 2016 Paulina Pianko-Oprych et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Simulation of the steady-state behaviour of a new design of a single planar Solid Oxide Fuel Cell

Published Online: Apr 04, 2016

Page range: 64 - 71

DOI: https://doi.org/10.1515/pjct-2016-0011

Keywordsplanar Solid Oxide Fuel Cell stack, Computational Fluid Dynamics, voltage – current characteristics, temperature distributions

© 2016 Paulina Pianko-Oprych et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
planar Solid Oxide Fuel Cell stack, Computational Fluid Dynamics, voltage – current characteristics, temperature distributions