Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
October 31, 2006
0Patent Application Number
104291420
Date Filed
May 2, 2003
0Patent Primary Examiner
Patent abstract
The present invention relates to a composite membrane comprising at least one ion-conducting polymer and a network of randomly orientated individual fibers, wherein there is a continuous region of the membrane at one or both of the membrane faces wherein the density of fibers is lower than the density of fibers in the membrane as a whole. The invention further relates to processes for manufacturing membranes according to the invention, and membrane electrode assemblies comprising membranes according to the invention.
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