H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 8/10 (2006.01) B01D 67/00 (2006.01) B01D 71/06 (2006.01) B01D 71/52 (2006.01) B01D 71/68 (2006.01) C08G 65/40 (2006.01) C08G 65/48 (2006.01) C08J 5/22 (2006.01) C08L 71/00 (2006.01) C08L 81/06 (2006.01) H01B 1/12 (2006.01)
Patent
CA 2440964
A fuel cell powered by direct fuel, for example a direct methanol fuel cell, includes a polymer electrolyte membrane which includes a semi-crystalline polymer. Preferred semi-crystalline polymers include first repeat units comprising sulphonated aromatic group containing moieties linked by -SO2- and/or -CO- and/or -Q-groups, where Q is O or S and second repeat units which include aromatic group containing moieties linked by -CO- and/or Q groups.
L'invention porte sur une pile à combustible activée par un combustible direct telle qu'une pile à combustible de méthanol. Cette pile à combustible comprend une membrane électrolytique polymère comportant un polymère semi-cristallin. Des polymères semi-cristallins préférés comprennent des premiers motifs de répétition renfermant un groupe aromatique sulfoné contenant des fractions liées par les groupes -SO¿2?- et/ou -CO- et/ou -Q-, dans lesquels Q représente O ou S, et des seconds motifs de répétition comprenant des groupes aromatiques contenant des fractions liées par les groupes -CO- et/ou Q.
Andrews Mark James
Lockley John Edward
Wilson Brian
Kirby Eades Gale Baker
Victrex Manufacturing Limited
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