Biogas-fed SOFC systems can be considered as interesting power systems in the framework of distributed generation plants. In particular, bio-methane (CH4/CO2 60/40 vol.) and bio-hydrogen (H2/CO2 50/50 vol.), produced from anaerobic digestion of wastes, represent renewable fuels for high efficiency electrochemical generators. This study investigates the behavior of an anode-supported (Ni-YSZ) tubular cell fed by the two fuels. The tubular geometry has been considered since it causes a complete separation of the electrodes reactants, allowing the analysis of the evolution of the fuel gas inside the tube, in terms of composition (consequence of electrochemical and heterogeneous chemical reactions) and temperature field. The experiments have been designed in order to analyse the behavior under different load and fuel utilization conditions. In particular, the fuel mixtures have been conditioned to avoid carbon build-up on the anode electrode. The experimental results have been then used to validate a 2D model (taking into account the cell axial symmetry) of the multi-physics phenomena occurring along the tubular cell. The model shows a good accordance with the experimental data, and has therefore been used to analyse the effects linked to the modification of some geometrical parameters of the tube in terms of performance of the cell.
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ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology
June 14–16, 2010
Brooklyn, New York, USA
Conference Sponsors:
- Advanced Energy Systems Division
ISBN:
978-0-7918-4404-5
PROCEEDINGS PAPER
Experimental Investigation and Modeling of Direct Internal Reforming of Biogases in Tubular SOFC
Andrea Lanzini,
Andrea Lanzini
Politecnico di Torino, Torino, Italy
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Pierluigi Leone,
Pierluigi Leone
Politecnico di Torino, Torino, Italy
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Marco Pieroni,
Marco Pieroni
Politecnico di Torino, Torino, Italy
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Massimo Santarelli,
Massimo Santarelli
Politecnico di Torino, Torino, Italy
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Davide Beretta,
Davide Beretta
Centro Ricerca e Sviluppo, Edison spa, Trofarello, TO, Italy
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Stefano Ginocchio
Stefano Ginocchio
Centro Ricerca e Sviluppo, Edison spa, Trofarello, TO, Italy
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Andrea Lanzini
Politecnico di Torino, Torino, Italy
Pierluigi Leone
Politecnico di Torino, Torino, Italy
Marco Pieroni
Politecnico di Torino, Torino, Italy
Massimo Santarelli
Politecnico di Torino, Torino, Italy
Davide Beretta
Centro Ricerca e Sviluppo, Edison spa, Trofarello, TO, Italy
Stefano Ginocchio
Centro Ricerca e Sviluppo, Edison spa, Trofarello, TO, Italy
Paper No:
FuelCell2010-33102, pp. 243-251; 9 pages
Published Online:
December 3, 2010
Citation
Lanzini, A, Leone, P, Pieroni, M, Santarelli, M, Beretta, D, & Ginocchio, S. "Experimental Investigation and Modeling of Direct Internal Reforming of Biogases in Tubular SOFC." Proceedings of the ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology. ASME 2010 8th International Fuel Cell Science, Engineering and Technology Conference: Volume 1. Brooklyn, New York, USA. June 14–16, 2010. pp. 243-251. ASME. https://doi.org/10.1115/FuelCell2010-33102
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