H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 8/04 (2006.01)
Patent
CA 2520736
A membrane fuel cell stack characterised by a stable operation under non- humidified air feed at the cathode inlet with a stoichiometric factor higher than 1 and near ambient pressure, even at high current density. This result is obtained by means of an air feed conditioning device comprising a fan or little compressor, a heat exchanger directed to cool the compressed air and an expander allowing to cool the air while recovering part of the energy consumed by the fan.
L'invention concerne une pile à combustible à membrane qui se caractérise par un fonctionnement stable en alimentations en gaz non humidifié, et, plus précisément, en alimentation en air non humidifié à pression quasi-ambiante, même à haute densité de courant. Ce résultat est obtenu au moyen d'un dispositif de conditionnement d'alimentation en air comprenant un ventilateur ou un petit compresseur, un échangeur thermique destiné à refroidir l'air comprimé et un expanseur permettant de refroidir l'air et, parallèlement, de récupérer une partie de l'énergie consommée par le ventilateur.
Faita Giuseppe
Fleba Gian Piero
Jacobo Ruben Ornelas
Lenardon Matteo
Liotta Marcello
Macrae & Co.
Nuvera Fuel Cells Europe S.r.l.
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