Polar plate, particularly end plate or bipolar plate for a...

Details Polar plate, particularly end plate or bipolar plate for a... Polar plate, particularly end plate or bipolar plate for a...

H - Electricity

01

M

H01M 8/02 (2006.01) H01M 8/24 (2006.01)

Patent

CA 2648311

The invention relates to a polar plate (10, 12), particularly an end plate (10) or a bipolar plate (12), for a fuel cell (14), comprising at least one flow field (16) which is accessible from at least one side of the polar plate (10, 12). Said at least one flow field (16) is accessible via a plurality of access holes (18). The invention further relates to a terminal unit and a common unit for a fuel cell stack as well as a fuel cell stack.

L'invention concerne une plaque polaire (10,12), notamment une plaque d'extrémité (10) ou une plaque bipolaire (12) pour une pile à combustible (14), comprenant au moins un champ d'écoulement (16) accessible par au moins une face de la plaque polaire (10,12). Selon l'invention, le champ d'écoulement (16) est accessible par une pluralité d'orifices d'accès (18). L'invention porte également sur une unité d'extrémité et sur une unité de répétition pour un empilement de cellule électrochimique, ainsi que sur un empilement de cellule électrochimique.

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