Fuel cell and electrolytic cell comprising an ion-conductive...

H - Electricity – 01 – M

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H01M 8/10 (2006.01) B01D 71/00 (2006.01) C08G 65/40 (2006.01) C08J 5/22 (2006.01) C25B 9/00 (2006.01) H01B 1/06 (2006.01) H01B 1/12 (2006.01) H01M 2/16 (2006.01) H01M 8/02 (2006.01)

Patent

CA 2454697

There is described a fuel cell or electrolytic cell comprising an ion- conductive polymeric material which includes a first repeat unit of formula (I): -(O-Ph1-CO-Ph1-O-Ph1-CO-Ph1)-, and a second repeat unit of formula (II): -(O-Ph2-O-Ph3-CO--Ph4)-, or of formula (III): (O-Ph2-O-Ph3-SO2-Ph4) -; wherein Ph1, Ph2, Ph3 and Ph4 independently represent phenyl moieties and wherein said second repeat unit is provided with ion-exchange sites. The polymeric material may include a third repeat unit which is amorphous.

L'invention concerne une cellule à combustible ou cellule électrolytique qui comprend un matériau polymère conducteur d'ions, lequel contient une première unité de répétition représentée par la formule (I): - (O-Ph?1¿-CO-Ph?1¿-O-Ph?1¿-CO-Ph?1¿) -, et une seconde unité de répétition représentée par la formule (II): - (O-Ph?2¿-O-Ph?3¿-CO-Ph?4¿) -, ou par la formule (III): (O-Ph?2¿-O-Ph?3¿-SO¿2?-Ph?4¿) -; dans lesquelles Ph?1¿, Ph?2¿, Ph?3¿ et Ph?4¿ représentent indépendamment des fractions phényle. La seconde unité de répétition comprend des sites d'échange d'ions. Ce matériau polymère peut également contenir une troisième unité de répétition qui est amorphe.

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