H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 8/02 (2006.01) C08J 5/22 (2006.01) C08L 101/00 (2006.01) H01B 1/06 (2006.01) H01B 13/00 (2006.01)
Patent
CA 2525233
An object of the present invention is to solve the problems with conventional polymer electrolyte fuel cells and provide a proton conducting membrane which exhibits an excellent heat resistance and an excellent protonic conductivity and a high dimensional stability even at high temperatures, a method for producing the same and a fuel cell using the same. The proton conducting membrane of the present invention is a proton conducting membrane having particles 1 comprising a metal-oxygen crosslinked structure and the particles 1 have an acid group such as sulfonic acid group incorporated in the surface thereof and form a continuity. The gap 2 between the particles is communicated from the main surface to the opposite surface of the proton conducting membrane to form a proton conducting channel.
L'invention concerne un film conducteur de protons qui a une stabilité dimensionnelle élevée et qui est excellent en matière de résistance thermique et en conductivité des protons à hautes températures, ce qui permet de résoudre les problèmes liés aux piles à combustible à polymère solide classiques. L'invention concerne également un procédé de production d'un tel film conducteur de protons et d'une pile à combustible utilisant ce type de film. Le film conducteur de protons comprend des particules (1) présentant une structure réticulée métal-oxygène, et un radical acide tel que le groupe acide sulfonique est introduit dans les surfaces des particules (1). Ces dernières (1) constituent collectivement un corps contigu. Un écart (2) entre les particules (1) part de la grande surface de la couche conductrice de protons à la surface opposée de celle-ci, formant ainsi un chemin conducteur de protons.
Miyama Toshihito
Nomura Shigeki
Goudreau Gage Dubuc
Sekisui Chemical Co. Ltd.
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