Fuel cell fluid distribution plates

H - Electricity – 01 – M

Patent

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Details

H01M 8/02 (2006.01) H01M 8/04 (2006.01)

Patent

CA 2650859

A fluid flow field plate for use in a fuel cell, the plate comprising a first plurality of channels formed in a first surface thereof and extending across the first surface in a predetermined pattern, the plate having a folded region along a lateral edge, the folded region comprising a plenum and an interface region, the plenum having a longitudinal axis substantially parallel to an edge of the plate, the interface region comprising two adjacent and facing portions of the first surface.

La présente invention concerne une plaque à champ de circulation de fluide utilisée dans une pile à combustible, la plaque comprenant une première pluralité de canaux constituée sur une première surface de celle-ci et s'étendant en travers de la première surface en un motif prédéterminé, la plaque comportant une zone plissée le long d'un bord latéral, la zone plissée comprenant un plenum et une zone d'interface, le plenum comportant un axe longitudinal sensiblement parallèle à un bord de la plaque, la zone d'interface comprenant deux parties de la première surface adjacentes et se faisant face.

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