Humidification device for polymeric membrane fuel cells

Details Humidification device for polymeric membrane fuel cells Humidification device for polymeric membrane fuel cells

H - Electricity

01

M

H01M 8/04 (2006.01) H01M 8/02 (2006.01) H01M 8/24 (2006.01)

Patent

CA 2368949

A humidification device for polymeric membrane fuel cell stacks fed with gaseous reactants is disclosed. The gases supplied to the stack are previously fed in admixture with a stream of liquid water to a chamber filled with a reticulated material, whose highly subdivided geometry provides an extended exchange surface favouring the saturation of gas. The device is more efficient and compact than those known in the art.

La présente invention concerne un dispositif d'humidification pour des piles à combustible à membrane polymère alimentée en charge gazeuse. Les gaz alimentant la pile sont préalablement adjoints à un courant d'eau à l'état liquide aboutissant à une chambre remplie d'un matériau réticulaire dont la géométrie hautement subdivisée constitue une surface d'échange étendue favorisant la saturation du gaz. Ce dispositif et plus efficace et compact que les dispositifs analogues selon l'état antérieur de la technique.

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