C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 5/24 (2006.01) B01D 67/00 (2006.01) B01D 69/14 (2006.01) B01D 71/32 (2006.01) B01J 35/06 (2006.01) C08J 7/16 (2006.01) H01M 4/86 (2006.01) H01M 4/88 (2006.01) H01M 4/94 (2006.01) H01M 8/10 (2006.01)
Patent
CA 2459357
The present invention provides for a solid polymer electrolyte membrane comprising a fluorinated ionomer having imbibed therein the polymerization product of a composition comprising a non-fluorinated, non-ionomeric monomer, wherein the fluorinated ionomer comprises at least 6 mole % of monomer units having a fluorinated pendant group with a terminal ionic group. Catalyst coated membranes and fuel cells using these membranes are also provided.
L'invention concerne une membrane électrolytique polymère solide comportant un ionomère fluoré imbibé du produit de polymérisation d'une composition qui comprend un monomère non fluoré, non ionomère; le ionomère fluoré possédant au moins 6 % molaire d'unités monomères qui présentent un groupe latéral fluoré comprenant un groupe ionique terminal. L'invention concerne également des membranes revêtues d'un catalyseur et des piles à combustible utilisant lesdites membranes.
Bennett Jones Llp
E. I. Du Pont de Nemours And Company
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