Analysis of HT-PEM MEAs’ Long-Term Stabilities

Julian Büsselmann, Maren Rastedt, Tomas Klicpera, Karsten Reinwald, Henrike Schmies, Alexander Dyck and Peter Wagner
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Julian Büsselmann: DLRInstitute of Networked Energy Systems, Carl-von-Ossietzky Str. 15, 26129 Oldenburg, Germany
Maren Rastedt: DLRInstitute of Networked Energy Systems, Carl-von-Ossietzky Str. 15, 26129 Oldenburg, Germany
Tomas Klicpera: FUMATECH BWT GmbH, Carl-Benz-Straße 4, 74321 Bietigheim-Bissingen, Germany
Karsten Reinwald: FUMATECH BWT GmbH, Carl-Benz-Straße 4, 74321 Bietigheim-Bissingen, Germany
Henrike Schmies: DLRInstitute of Networked Energy Systems, Carl-von-Ossietzky Str. 15, 26129 Oldenburg, Germany
Alexander Dyck: DLRInstitute of Networked Energy Systems, Carl-von-Ossietzky Str. 15, 26129 Oldenburg, Germany
Peter Wagner: DLRInstitute of Networked Energy Systems, Carl-von-Ossietzky Str. 15, 26129 Oldenburg, Germany

Energies, 2020, vol. 13, issue 3, 1-16

Abstract: Despite the great advantages of high-temperature polymer electrolyte membrane (HT-PEM) fuel cells over the low-temperature (LT) PEM alternative, such as enhanced reaction kinetics and higher tolerance against impurities like CO due to the higher operation temperature, the achievement of high lifetimes still remains a challenge. In order to improve the durability of the fuel cell, extensive research has been carried out on alternatives for the individual components. For this reason, this paper conducted extended long-term tests with three three membrane electrode assemblies (MEAs) from one manufacturer under different operational scenarios. The MEAs differed mainly by the membranes used and showed significantly different behaviors. While the first MEA reached the end of life already after 2600 h, the second one could pass 9800 h almost without any problems. The third MEA proved resistant to adverse conditions. For all three MEAs, extensive electrochemical characterizations and μ-CT examinations for the analysis of long-term stability are shown.

Keywords: fuel cell; HT-PEM; long-term test; reformate operation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
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