Fuel cell gas management system

H - Electricity – 01 – M

Patent

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Details

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

Patent

CA 2297130

A fuel cell gas management system (10) including a cathode humidification system (30) for transferring latent and sensible heat from an exhaust stream (16) to the cathode inlet stream (14) of the fuel cell (26); and anode humidity retention system (80) for maintaining the total enthalpy of the anode stream (20) exiting the fuel cell equal to the total enthalpy of the anode inlet stream (18); and a cooling water management system (130) having segregated deionized water and cooling water loops interconnected by means of a brazed plate heat exchanger.

Système de gestion du gaz (10) d'un élément à combustible, comprenant un système d'humidification (30) à cathode pour transférer la chaleur latente et la chaleur sensible d'un flux d'échappement (16) au flux d'entrée (14) d'une cathode de l'élément à combustible (26); un système de rétention d'humidité (80) pour cathode, pour maintenir l'enthalpie intégrale du flux anodique (20) sortant de l'élément à combustible au même niveau que l'enthalpie intégrale du flux d'entrée anodique (18); et un système de gestion de l'eau de refroidissement (130) comprenant des boucles d'eau désionisée et d'eau de refroidissement reliées entre elles par un échangeur thermique à plateaux brasés.

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