Microreactor for an electrode arrangment of a fuel cell

Details Microreactor for an electrode arrangment of a fuel cell Microreactor for an electrode arrangment of a fuel cell

H - Electricity

01

M

H01M 8/10 (2006.01) B01J 19/00 (2006.01) H01M 8/12 (2006.01)

Patent

CA 2385094

The aim of the invention is to provide a mechanically stable microreactor that can be subjected to high electrical loads and that is used in an electrode system of a fuel cell. To this end, a fuel component flows towards a filament (98) through at least one flow channel (102). Said filament is configured as a radially inner electroconducting electrode of the microreactor (97) and is linked with a radially outer membrane (101), the two structures supporting one another. The radially inner peripheral surface of the membrane (101), at least in some sections, is spaced apart from a supporting core (55) of the filament (98) by spokes (100), thereby forming at least one flow channel (102).

L'invention concerne un microréacteur, de bonne stabilité mécanique, pouvant être hautement chargé électriquement, destiné à un dispositif d'électrode d'une pile à combustible, caractérisé en ce qu'il présente un filament (98) s'étendant, à partir d'un composant combustible, dans au moins un canal d'écoulement (102), ledit filament formant l'électrode électro-conductrice, s'étendant radialement à l'intérieur, du microréacteur (97) et étant connecté avec une membrane s'étendant radialement à l'extérieur (101), la membrane et le filament formant une liaison portante, la surface latérale, intérieure radiale, de la membrane (101) étant maintenue à distance, au moins par section, d'un noyau porteur (55) du filament (98), au moyen de rayons (100), de manière à former au moins un canal d'écoulement (102).

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