Pem fuel cell system with humidification and/or cooling with...

Details Pem fuel cell system with humidification and/or cooling with... Pem fuel cell system with humidification and/or cooling with...

H - Electricity

01

M

H01M 8/04 (2006.01) B60L 11/18 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2331664

The invention relates to a PEM (polymer electrolyte membrane) fuel cell system with humidification and/or cooling with a liquid medium, especially for use in mobile systems. A liquid distributor is provided in one or both axial process gas supply lines. With the help of sound waves, said liquid distributor produces droplets immediately in front of the gas inlet of each fuel cell unit of a fuel cell stack and adds these to the stream of process gas (cf. an ink jet printer).

L'invention concerne un système de cellules électrolytiques à carburant en polymère doté d'un dispositif d'humidification et/ou d'un dispositif de refroidissement avec un agent liquide. Ce système, notamment destiné à être utilisé dans des systèmes mobiles, présente un distributeur de liquide dans une ou deux conduites axiales d'alimentation en gaz de processus. Ce distributeur de liquide produit des gouttelettes juste avant l'entrée de gaz de chaque unité cellule à carburant d'une pile de cellules à carburant à l'aide d'ondes sonores et les ajoute au flux de gaz de processus (voir imprimante à jet d'encre).

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