Fuel cell and fastening device for fuel cell

Details Fuel cell and fastening device for fuel cell Fuel cell and fastening device for fuel cell

H - Electricity

01

M

H01M 8/24 (2006.01)

Patent

CA 2648189

A fuel cell (10) includes: two end plates (610, 630) that sandwich a cell stack (50) from both ends thereof in a stacking direction (Ds); a side member (620) that defines a distance between the two end plates (610, 630); a connecting bolt (640) that connects the end plates (610) and the side member (620) by a bolt axial force acting substantially in the stacking direction (Ds); and a stopper portion (612) that is provided in at least one of the end plates (610), and that contacts a surface of the side member (620) that extends in the stacking direction (Ds) and that is located substantially opposite from the cell stack (50).

L'invention concerne une pile à combustible (10) qui comprend : deux plaques d'extrémité (610, 630) qui entourent un empilement de piles (50) à partir des deux extrémités de celui-ci dans une direction d'empilement (Ds); un élément latéral (620) qui définit une distance entre les deux plaques d'extrémité (610, 630); un boulon d'assemblage (640) qui relie les plaques d'extrémité (610) et l'élément latéral (620) par une force axiale de boulon agissant sensiblement dans la direction d'empilement (Ds); et une partie d'arrêt (612) qui est fournie dans au moins une des plaques d'extrémité (610) et qui entre en contact avec une surface de l'élément latéral (620) qui s'étend dans la direction d'empilement (Ds) et qui est située de manière sensiblement opposée à l'empilement de piles (50).

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