Fuel cell system

Details Fuel cell system Fuel cell system

H - Electricity

01

M

H01M 8/06 (2006.01) H01M 8/04 (2006.01) H01M 8/10 (2006.01) H01M 8/24 (2006.01)

Patent

CA 2427138

The invention relates to a fuel cell system that contains at least one fuel cell module functioning according to the HT-PEM principle. The aim of the invention is to render harmless at least the excess hydrogen gas that accumulates on the hydrogen side of the individual fuel cell unit, by means of an exhaust gas catalyst (25). Pollution of the environment by hydrogen is thus prevented. The invention also relates to exhaust gas catalysts for the carbon monoxide and/or hydrocarbons that are present in the exhaust gas.

L'invention concerne un dispositif de piles à combustible contenant au moins un module de piles à combustible selon le principe HT-PEM. Selon l'invention, il est prévu de neutraliser au moyen d'un catalyseur (25) au moins l'hydrogène gazeux produit sur le côté hydrogène des unités de piles à combustible individuelles. Ainsi, il est possible d'éviter une pollution de l'environnement par l'hydrogène. L'invention concerne également des catalyseurs destinés au monoxyde de carbone et/ou aux hydrocarbures contenus dans des gaz d'échappement.

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