Fuel cell and fuel cell system

H - Electricity – 01 – M

Patent

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Details

H01M 8/02 (2006.01) H01M 8/04 (2006.01)

Patent

CA 2707529

A fuel cell (100) includes an electrolyte membrane (210), a first reactive gas channel (260) that is provided on a first surface side of the electrolyte membrane, a second reactive gas channel (270) that is provided on a second surface side of the electrolyte membrane, and a coolant channel (555) The coolant channel (555) is configured such that a flow direction of the first reactive gas flowing m the first reactive gas channel (260) is opposite to a flow direction of the second reactive gas flowing in the second reactive gas channel (270), and a downstream portion of the flow of at least one of the first and second reactive gases, in a plane of the electrolyte membrane, is cooled from the central portion within the plane

L'invention porte sur une pile à combustible (100) qui inclut : une membrane électrolyte (210); un premier canal de gaz réactif (260) qui est disposé sur un premier côté de surface de la membrane électrolyte; un second canal de gaz réactif (270) qui est disposé sur un second côté de surface de la membrane électrolyte; et un canal de réfrigérant (555). Le canal de réfrigérant (555) est configuré de telle sorte qu'une direction d'écoulement du premier gaz réactif s'écoulant dans le premier canal de gaz réactif (260) est opposée à une direction d'écoulement du second canal de gaz réactif s'écoulant dans le second canal de gaz réactif (270), et une partie aval de l'écoulement d'au moins l'un des premier et second gaz réactifs, dans un plan de la membrane électrolyte, est refroidie à partir de la partie centrale dans le plan.

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