H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 8/24 (2006.01) H01M 8/02 (2006.01)
Patent
CA 2630527
A fuel cell includes a plurality of unit cells, each having a membrane electrode assembly and a separator (3) stacked with an intervening first sealing member (12) and the unit cells being stacked on one another with an intervening second sealing member (4) . The first sealing member (12) such as an adhesive is spread on and along a surface of the separator (3) where at least a part of the first sealing member (12) overlaps with the second sealing member (4) such as a gasket in a direction in which the unit cells are stacked, and the thickness of the first sealing member (12) is smaller in a region (12a) where it overlaps with the second sealing member (4) than in a region (12b) where it does not overlap with the second sealing member (4) .
L'invention concerne une pile à combustible qui comprend une pluralité de cellules élémentaires comprenant chacune un ensemble membrane-électrode et un séparateur (3) empilé avec un premier élément de scellement intermédiaire (12). Les cellules élémentaires sont empilées les unes sur les autres avec un second élément de scellement intermédiaire (4). Le premier élément de scellement (12) est étalé sur et le long d'une surface du séparateur (3) de façon qu'au moins une partie du premier élément de scellement (12) chevauche le second élément de scellement (4) dans une direction dans laquelle les cellules élémentaires sont empilées et l'épaisseur du premier élément de scellement (12) est plus petite dans une région où elle chevauche le second élément de scellement (4) que dans une région où elle ne chevauche pas le second élément de scellement (4).
Gowling Lafleur Henderson Llp
Toyota Jidosha Kabushiki Kaisha
LandOfFree
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