Novel polymer blend membranes for use in fuel cells

Details Novel polymer blend membranes for use in fuel cells Novel polymer blend membranes for use in fuel cells

B - Operations, Transporting

01

D

B01D 71/52 (2006.01) B01D 71/68 (2006.01) C08J 5/22 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2401838

The present invention relates to novel polymer blend membranes comprising a functional polymer based on sulfonated aryl polymers, a reinforcing polymer based on aminated or nitrated polyether sulfones and/or polyether ether sulfone and a plasticizer, and also their use as polymer electrolyte membrane in fuel cells, in particular in low-temperature fuel cells.

Nouvelles membranes constituées d'un mélange de polymères contenant un polymère fonctionnel à base de polymères d'aryle sulfonés, un polymère de renforcement à base de polyéthersulfones aminés ou nitrurés et/ou de polyétheréthersulfone et un plastifiant. La présente invention concerne également l'utilisation de ce mélange de polymères en tant que membrane électrolytique polymère dans des piles à combustible, en particulier dans des piles à combustible à basse température.

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