H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 8/10 (2006.01) H01M 8/04 (2006.01)
Patent
CA 2345674
Discharging reaction water in PEM fuel cells In PEM fuel cells, discharging the reaction water does not require humidification of the reaction gases or an increase in the gas pressure if a hydrophobic layer on the cathode side is used which has a smaller pore size than the layer on the anode side; the reaction water is then removed via the anode.
Selon l'invention, dans des piles à combustible à membrane électrolytique polymère, lors du retrait de l'eau de réaction il n'est plus nécessaire d'humidifier les gaz de réaction ou d'élever la pression des gaz, si l'on utilise, côté cathode, une couche hydrophobe qui présente des pores d'une grandeur plus petite que celle des pores de la couche côté anode, l'eau de réaction étant alors éliminée par l'intermédiaire de l'anode.
Gebhardt Ulrich
Leuschner Rainer
Lipinski Matthias
Waidhas Manfred
Aktiengesellschaft Siemens
Fetherstonhaugh & Co.
Umicore Ag & Co. Kg
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