Fuel cell assembly and a separator therefor

H - Electricity – 01 – M

Patent

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Details

H01M 8/00 (2006.01) H01M 4/86 (2006.01) H01M 4/88 (2006.01) H01M 4/96 (2006.01) H01M 8/02 (2006.01) H01M 8/10 (2006.01) H01M 8/24 (2006.01)

Patent

CA 2484292

In a fuel cell assembly (1) comprising a pair of separators (11, 12) each for defining a recess (10) serving as a conduit for a fuel fluid or an oxidizer fluid, a feedthrough conductive path for connecting top and under surfaces of each separator is achieved by a second electroconductive film (36) formed on a side wall of a through-hole (33) extending through each separator (11, 12) in such a manner that the second electroconductive film (36) connects a first electroconductive film (35) constituting a top surface of a projection (30) provided in the recess (10) to a third electroconductive film (37) formed on a surface opposite to that formed with the recess (10).

Dans un ensemble pile à combustible (1) comprenant une paire de séparateurs (11, 12), chacun d'eux étant destiné à définir un évidement (10) servant de conduit pour un fluide combustible ou un fluide comburant, un chemin conducteur d'alimentation destiné à connecter les surfaces supérieure et inférieure de chaque séparateur est obtenu au moyen d'un deuxième film (36) électroconducteur formé sur une paroi latérale d'un alésage (33) s'étendant à travers chaque séparateur (11, 12) de sorte que ce deuxième film (36) électroconducteur connecte un premier film (35) électroconducteur constituant une surface supérieure d'une projection (30) placée dans l'évidement (10) à un troisième film (37) électroconducteur formé sur une surface opposée à celle formée avec l'évidement (10).

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