Process for producing a membrane electrode assembly for fuel cells

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6998149
APP PUB NO 20020064593A1
SERIAL NO

09973193

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A process for producing a membrane electrode assembly for fuel cells containing a polymer electrolyte membrane having a first and a second surface parallel to each other. The first surface forms a firm composite with a first catalyst layer and a first water repellent gas distribution layer and said second surface form a firm composite with a second catalyst layer and a second water repellent gas distribution layer. The catalyst layers are prepared by using inks containing electrocatalysts, one or more solvents, proton-conducting ionomer and optionally water repelling agents and pore-forming agents. In the process the two catalyst layers are applied to or contacted with the respective surfaces of the polymer electrolyte membrane successively, wherein during the application or contacting process to one surface always the opposite surface of the membrane is supported.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
UMICORE AG & CO. KGHANAU-WOLFGANG303

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Diehl, Manfred Frankfurt, DE 19 265
Kohler, Joachim Burchköbel, DE 11 122
Starz, Karl-Anton Rodenbach, DE 24 421
Wittpahl, Sandra Obertshausen, DE 14 104

Cited Art Landscape

Patent Info (Count) # Cites Year
 
EMERGENT POWER INC. (1)
* 6383556 Method for forming a membrane electrode diffusion assembly for use in an ion exchange membrane fuel cell 6 2001
 
E. I. DU PONT DE NEMOURS AND COMPANY (1)
* 6645336 Extrusion coating process 10 2000
 
The United States of America as represented by the United States Department of Energy (1)
* 4876115 Electrode assembly for use in a solid polymer electrolyte fuel cell 162 1988
 
UMICORE AG & CO. KG (2)
5861222 Gas diffusion electrode for membrane fuel cells and method of its production 46 1997
6156449 Catalyst layer for polymer electrolyte fuel cells 30 1999
 
TOYOTA JIDOSHA KABUSHIKI KAISHA (1)
* 6015635 Electrode for fuel cell and method of manufacturing electrode for fuel cell 15 1998
 
GM GLOBAL TECHNOLOGY OPERATIONS LLC (1)
6074692 Method of making MEA for PEM/SPE fuel cell 34 1998
 
DEUTSCHE FORSCHUNGSANSTALT FUER LUFT- UND RAUMFAHRT E.V. (1)
5761793 Process for the production of a composite consisting of electrode material, catalyst material and a solid-electrolyte membrane 34 1996
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
DAIMLER AG (2)
* 8586265 Method of forming membrane electrode assemblies for electrochemical devices 0 2007
* 2008/0182,150 Method of forming membrane electrode assemblies for electrochemical devices 6 2007
 
CABOT CORPORATION (2)
* 7713899 Method of producing membrane electrode assemblies for use in proton exchange membrane and direct methanol fuel cells 10 2006
* 2006/0269,824 METHOD OF PRODUCING MEMBRANE ELECTRODE ASSEMBLIES FOR USE IN PROTON EXCHANGE MEMBRANE AND DIRECT METHANOL FUEL CELLS 20 2006
 
SOUTHWEST RESEARCH INSTITUTE (3)
* 7968488 Two-dimensional composite particle adapted for use as a catalyst and method of making same 3 2007
* 2008/0166,605 Two-Dimensional Composite Particle Adapted For Use As A Catalyst And Method Of Making Same 4 2007
8524364 Two-dimensional composite particle adapted for use as a catalyst and method of making same 0 2011
 
TOPPAN PRINTING CO., LTD. (1)
* 9640823 Manufacturing method of membrane electrode assembly 0 2009
 
E. I. DU PONT DE NEMOURS AND COMPANY (2)
* 7316794 Continuous production of catalyst coated membranes 5 2002
* 2004/0201,122 Continuous production of catalyst coated membranes 3 2004
 
KIA MOTORS CORPORATION (1)
* 2013/0068,371 METHOD FOR MANUFACTURING FUEL CELL MEMBRANE-ELECTRODE ASSEMBLY ULTRASONIC VIBRATION BONDING 1 2011
 
UMICORE AG & CO. KG (3)
* 7285307 Process for producing catalyst-coated membranes and membrane-electrode assemblies for fuel cells 1 2003
* 2004/0124,091 Process for producing catalyst-coated membranes and membrane-electrode assemblies for fuel cells 0 2003
* 2007/0077,350 Process for manufacturing a catalyst-coated polymer electrolyte membrane 2 2004
 
KOLON INDUSTRIES, INC. (1)
9543590 Catalyst layer composition for fuel cell, electrode for fuel cell, method of preparing electrode for fuel cell, membrane-electrode assembly for fuel cell, and fuel cell system using the membrane-electrode assembly 0 2012
 
POLYFUEL, INC. (1)
* 2006/0110,631 Catalyst ink, process for making catalyst ink and for preparing catalyst coated membranes 3 2005
 
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. (2)
7414004 Gas diffusion layer, electrode and membrane electrode assembly for fuel cell, and production methods thereof 0 2004
* 2005/0197,246 Gas diffusion layer, electrode and membrane electrode assembly for fuel cell, and production methods thereof 9 2004
 
MAX-PLANCK-GESELLSCHAFT ZUR FORDERUNG DER WISSENSCHAFTEN E.V. (2)
* 8164881 Porous carbon electrode with conductive polymer coating 4 2007
* 2010/0008,021 Porous Carbon Electrode With Conductive Polymer Coating 16 2007
* Cited By Examiner

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