Membrane electrode assembly and fuel cells with increased power

Details Membrane electrode assembly and fuel cells with increased power Membrane electrode assembly and fuel cells with increased power

H - Electricity

01

M

H01M 4/86 (2006.01) B01D 69/02 (2006.01) H01M 8/02 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2659475

Membrane electrode assembly for fuel cells, comprising at least two electrochemically active electrodes, which are separated by at least one polymer electrolyte membrane, wherein the polymer electrolyte membrane has reinforcing elements which at least partially penetrate said polymer electrolyte membrane. The invention also relates to methods for producing a polymer electrolyte membrane of this type.

La présente invention concerne une unité membrane-électrodes, comprenant au moins deux électrodes actives électrochimiques qui sont séparées par au moins une membrane d'électrolyte polymère. La membrane d'électrolyte polymère comporte des éléments de renfort qui traversent au moins partiellement la membrane d'électrolyte polymère. L'unité membrane-électrodes est obtenue de préférence par un procédé dans lequel (i) on réalise une membrane d'électrolyte polymère en présence des éléments de renfort, (ii) on assemble la membrane et les électrodes dans l'ordre souhaité. L'unité membrane-électrodes est particulièrement adaptée aux applications dans les piles à combustible.

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