Flow field plate geometries

Details Flow field plate geometries Flow field plate geometries

H - Electricity

01

M

H01M 8/02 (2006.01) B24C 1/04 (2006.01) B24C 3/02 (2006.01) C25B 9/00 (2006.01) C25B 9/04 (2006.01) C25B 9/08 (2006.01) C25B 15/08 (2006.01)

Patent

CA 2437891

A flow field plate for a fuel cell comprising at least one channel extending from a source of fluid to a drain for said fluid, in which the cross-sectional area of said channel at drain or source is less than 95 % of the cross- sectional area at source or drain respectively. The channel may be branched, and may change in width and depth along its length.

L'invention concerne une plaque à champ d'écoulement pour une cellule électrochimique, qui comprend au moins un canal s'étendant d'une source de fluide à un drain dudit fluide, et dans laquelle la section dudit canal au niveau du drain ou de la source représente moins de 95 % de la section au niveau de la source ou du drain respectivement.

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