This title appears in the Scientific Report :
2020
Please use the identifier:
http://dx.doi.org/10.1016/j.ijhydene.2020.01.074 in citations.
Please use the identifier: http://hdl.handle.net/2128/24503 in citations.
Long-term operation of solid oxide fuel cells and preliminary findings on accelerated testing
Long-term operation of solid oxide fuel cells and preliminary findings on accelerated testing
Stationary applications of Solid Oxide Fuel Cell systems require operating times of 40,000 to 80,000 h for market introduction. Therefore, extended lifetime tests are essential for learning about the long-term behavior and various degradation mechanisms and to foster ideas about accelerated stack te...
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Personal Name(s): | Blum, Ludger (Corresponding author) |
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Fang, Qingping / de Haart, L. G. J. / Quadakkers, Willem J. / Gross-Barsnick, Sonja-Michaela / Menzler, Norbert H. | |
Contributing Institute: |
Werkstoffsynthese und Herstellungsverfahren; IEK-1 Zentralinstitut für Technologie; ZEA-1 Werkstoffstruktur und -eigenschaften; IEK-2 Grundlagen der Elektrochemie; IEK-9 Elektrochemische Verfahrenstechnik; IEK-14 |
Published in: | International journal of hydrogen energy, 45 (2020) 15, S. 8955-8964 |
Imprint: |
New York, NY [u.a.]
Elsevier
2020
|
DOI: |
10.1016/j.ijhydene.2020.01.074 |
Document Type: |
Journal Article |
Research Program: |
Solid Oxide Fuel Cell Fuel Cells |
Link: |
Published on 2020-02-12. Available in OpenAccess from 2022-02-12. Published on 2020-02-12. Available in OpenAccess from 2022-02-12. |
Publikationsportal JuSER |
Please use the identifier: http://hdl.handle.net/2128/24503 in citations.
Stationary applications of Solid Oxide Fuel Cell systems require operating times of 40,000 to 80,000 h for market introduction. Therefore, extended lifetime tests are essential for learning about the long-term behavior and various degradation mechanisms and to foster ideas about accelerated stack testing. The Forschungszentrum Jülich has been gradually extending the testing time, resulting in successful short-stack operating times of between 20,000 and 40,000 h. This work highlights the results of these long-term tests and compares the observations for different material combinations, operating temperatures of 700 and 800 °C, including different fuel utilizations and gas compositions. An increase of temperature from 700 to 800 °C leads to an acceleration of the degradation rate by a factor of 1.5–2. Meanwhile, an increase in fuel utilization from 40 to 80% did not result in increased degradation. The same was found for higher current densities of up to 1 Acm−2. |