The aim of this project was to study whether the oxidation resistance of cells is affected while working under high fuel utilization. A previous study measured the weak oxidation resistance for very porous samples (measured porosity ∼ 70%) in H2 with high H2O content (over 50%) in the interval from 600 to 800 °C. Thus, additional tests were carried out with cells. Crofer22APU-supported solid oxide fuel cells (SOFCs) were produced by scalable cost competitive routes. One of the highly porous cells (calculated porosity 45%) was run under high fuel utilization conditions (calculated fuel utilization 56%), and a further two in H2-50%H2O. Another cell, with low porosity (calculated porosity 20%), was kept working in the same H2-50%H2O atmosphere for many hours. Durability tests with cells of different porosities confirmed that this is the main variable concerning degradation issues while working under high fuel utilization.
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e-mail: inigoantepara@hotmail.com
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April 2012
This article was originally published in
Journal of Fuel Cell Science and Technology
Research Papers
Electrochemical Behavior of Metal-Supported SOFCs Under High Fuel Utilization and Their Durability
I. Antepara,
e-mail: inigoantepara@hotmail.com
I. Antepara
Ikerlan- Energía, Parque Tecnológico de Álava
, Juan de La Cierva,1 E-01510, Miñano, Álava, Spain
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L. Diaz,
L. Diaz
Ikerlan- Energía, Parque Tecnológico de Álava
, Juan de La Cierva,1 E-01510, Miñano, Álava, Spain
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M. Rivas,
M. Rivas
Ikerlan- Energía, Parque Tecnológico de Álava
, Juan de La Cierva,1 E-01510, Miñano, Álava, Spain
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L. Otaegi,
L. Otaegi
Ikerlan- Energía, Parque Tecnológico de Álava
, Juan de La Cierva,1 E-01510, Miñano, Álava, Spain
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N. Gomez,
N. Gomez
Ikerlan- Energía, Parque Tecnológico de Álava
, Juan de La Cierva,1 E-01510, Miñano, Álava, Spain
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I. Villarreal,
I. Villarreal
Ikerlan- Energía, Parque Tecnológico de Álava
, Juan de La Cierva,1 E-01510, Miñano, Álava, Spain
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A. Laresgoiti
A. Laresgoiti
Ikerlan- Energía, Parque Tecnológico de Álava
, Juan de La Cierva,1 E-01510, Miñano, Álava, Spain
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I. Antepara
Ikerlan- Energía, Parque Tecnológico de Álava
, Juan de La Cierva,1 E-01510, Miñano, Álava, Spain
e-mail: inigoantepara@hotmail.com
L. Diaz
Ikerlan- Energía, Parque Tecnológico de Álava
, Juan de La Cierva,1 E-01510, Miñano, Álava, Spain
M. Rivas
Ikerlan- Energía, Parque Tecnológico de Álava
, Juan de La Cierva,1 E-01510, Miñano, Álava, Spain
L. Otaegi
Ikerlan- Energía, Parque Tecnológico de Álava
, Juan de La Cierva,1 E-01510, Miñano, Álava, Spain
N. Gomez
Ikerlan- Energía, Parque Tecnológico de Álava
, Juan de La Cierva,1 E-01510, Miñano, Álava, Spain
I. Villarreal
Ikerlan- Energía, Parque Tecnológico de Álava
, Juan de La Cierva,1 E-01510, Miñano, Álava, Spain
A. Laresgoiti
Ikerlan- Energía, Parque Tecnológico de Álava
, Juan de La Cierva,1 E-01510, Miñano, Álava, Spain
J. Fuel Cell Sci. Technol. Apr 2012, 9(2): 021009 (8 pages)
Published Online: March 19, 2012
Article history
Received:
April 3, 2011
Accepted:
November 23, 2011
Published:
March 9, 2012
Online:
March 19, 2012
Citation
Antepara, I., Diaz, L., Rivas, M., Otaegi, L., Gomez, N., Villarreal, I., and Laresgoiti, A. (March 19, 2012). "Electrochemical Behavior of Metal-Supported SOFCs Under High Fuel Utilization and Their Durability." ASME. J. Fuel Cell Sci. Technol. April 2012; 9(2): 021009. https://doi.org/10.1115/1.4005616
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