METHOD FOR PRODUCING A MEMBRANE ELECTRODE UNIT FOR A FUEL CELL

• Main Authors: THATE SVEN, LOESCH DENNIS
• Format: Patent
• Language: English
• Published: 02.07.2009
• Subjects: BASIC ELECTRIC ELEMENTS; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

A process for producing a membrane-electrode assembly for a fuel cell. The process (a) produces at least one multilayer field on a support, with the at least one multilayer field including at least one electrode layer and at least one membrane layer and the at least one multilayer field being applied to the support such that the at least one multilayer field is surrounded by channels on the support that are bounded on at least one side by edges of the at least one multilayer field, and (b) introduces a flowable, curable sealing material into the channels, which sealing material becomes distributed there to produce a seal surrounding the edges of the at least one multilayer field.