Knöri, Torsten and Gülzow, Erich (2012) PEFC Stack for Operating Temperatures up to 130 °C. In: Proceedings of the 45th Power Sources Conference, 1, pp. 171-174. Power Sources Conference. 45th Power Sources Conference 2012, 2012-06-11 - 2012-06-14, Las Vegas (USA).
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Abstract
At the DLR Institute of Technical Thermodynamics new concepts for fuel cell stacks are being developed for various applications and load profiles. Thereby, the main focus lies on the simplification of the stacks for reaching a cost reduction as well as an increase of the power density. Today’s polymer electrolyte fuel cells (PEFCs) are applicable only within a limited range of the operating temperature. This limitation restricts the spectrum of possible applications and hinders their flexibility during operation. Therefore, the continuous operation at elevated temperatures or in an extended temperature range for a limited time offers the opportunity to overcome these restrictions. Unfortunately, higher operating temperatures lead to new challenges, especially when conventional materials for the membrane electrode assemblies (MEAs) are used: In order to avoid critical operating conditions and to ascertain a sufficient durability and performance of a fuel cell stack, special concepts regarding the bipolar plates, the cooling strategy, the MEAs themselves as well as a closer look on the water management are essential. Furthermore, the operating strategy of the stack has to be adapted with respect to all of the stack components.
Item URL in elib: | https://elib.dlr.de/76361/ | ||||||||||||
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Document Type: | Conference or Workshop Item (Speech) | ||||||||||||
Title: | PEFC Stack for Operating Temperatures up to 130 °C | ||||||||||||
Authors: |
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Date: | 11 June 2012 | ||||||||||||
Journal or Publication Title: | Proceedings of the 45th Power Sources Conference | ||||||||||||
Refereed publication: | Yes | ||||||||||||
Open Access: | No | ||||||||||||
Gold Open Access: | No | ||||||||||||
In SCOPUS: | No | ||||||||||||
In ISI Web of Science: | No | ||||||||||||
Volume: | 1 | ||||||||||||
Page Range: | pp. 171-174 | ||||||||||||
Editors: |
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Publisher: | Power Sources Conference | ||||||||||||
Series Name: | Proceedings of the Power Sources Conference | ||||||||||||
Status: | Published | ||||||||||||
Keywords: | Brennstoffzelle, Stack, PEFC, 130°C, Bipolarplatte, lokale Stromdichtemessung, Leichtbau | ||||||||||||
Event Title: | 45th Power Sources Conference 2012 | ||||||||||||
Event Location: | Las Vegas (USA) | ||||||||||||
Event Type: | international Conference | ||||||||||||
Event Start Date: | 11 June 2012 | ||||||||||||
Event End Date: | 14 June 2012 | ||||||||||||
Organizer: | U.S. Department of Defense | ||||||||||||
HGF - Research field: | Energy | ||||||||||||
HGF - Program: | Efficient Energy Conversion and Use (old) | ||||||||||||
HGF - Program Themes: | Fuel Cells (old) | ||||||||||||
DLR - Research area: | Energy | ||||||||||||
DLR - Program: | E EV - Energy process technology | ||||||||||||
DLR - Research theme (Project): | E - Elektrochemische Prozesse (old) | ||||||||||||
Location: | Stuttgart | ||||||||||||
Institutes and Institutions: | Institute of Engineering Thermodynamics > Electrochemical Energy Technology | ||||||||||||
Deposited By: | Knöri, Torsten | ||||||||||||
Deposited On: | 22 Nov 2012 10:01 | ||||||||||||
Last Modified: | 24 Apr 2024 19:42 |
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