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Self-Supporting Microporous Layers (MPLs) for PEM Fuel Cells

Friedrich, K. Andreas and Bauder, Alexander and Haußmann, Jan and Markötter, Henning and Manke, Ingo and Alink, Robert and Scholta, Joachim (2013) Self-Supporting Microporous Layers (MPLs) for PEM Fuel Cells. 214th ECS Meeting, 27.10-1.11.2013, San Fransisco, USA.

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The main requirements of a gas diffusion layer (GDL) of polymer electrolyte membrane fuel cells (PEMFC) are the provision of a gas and water transport as well as a significant electrical and thermal conductivity. The development of membrane electrode assemblies (MEA) for a wide temperature range (-20°C until +130°C) still favours membranes that require a certain level of humidification for sufficient proton conductivity. The PEMFC diffusion media and their influence on water management is of crucial importance for these conditions, however, the detailed structure relations and especially the influence of the micro porous layer (MPL) needs further investigation. An important function of the cathode side MPL at high temperature operation of PEMFCs is the prevention of membrane drying. However, a flooding of porous structures in the GDL or catalyst layers at lower temperatures has to be avoided under all operation conditions.

Item URL in elib:https://elib.dlr.de/85709/
Document Type:Conference or Workshop Item (Speech)
Title:Self-Supporting Microporous Layers (MPLs) for PEM Fuel Cells
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Friedrich, K. Andreasandreas.friedrich (at) dlr.deUNSPECIFIED
Bauder, Alexanderalexander.bauder (at) dlr.deUNSPECIFIED
Markötter, HenningHZ BerlinUNSPECIFIED
Alink, RobertISE FreiburgUNSPECIFIED
Scholta, JoachimZSW UlmUNSPECIFIED
Date:31 October 2013
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Micro porous layer gas difussion layer polymer electrolyte fuel cells
Event Title:214th ECS Meeting
Event Location:San Fransisco, USA
Event Type:international Conference
Event Dates:27.10-1.11.2013
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: Friedrich, Prof.Dr. Kaspar Andreas
Deposited On:26 Nov 2013 10:36
Last Modified:26 Nov 2013 10:36

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