Fuel cell having buffer with inclined surface

Details Fuel cell having buffer with inclined surface Fuel cell having buffer with inclined surface

H - Electricity

01

M

H01M 8/04 (2006.01)

Patent

CA 2578009

A fuel gas flow field is formed on a surface of a rectangular first metal separator. The fuel gas flow field includes flow grooves extending in the direction of gravity. An outlet buffer is provided at a lower end of the fuel gas flow field. The outlet buffer includes an inclined surface inclined toward a fuel gas discharge passage. The fuel gas discharge passage is positioned below the outlet buffer. Outlet channel grooves are formed by ridges provided between the fuel gas discharge passage and the outlet buffer. Lower ends of the ridges are arranged in a zigzag pattern.

Un champ d'écoulement du gaz de combustion se forme sur la surface d'un premier séparateur métallique rectangulaire. Le champ d'écoulement du gaz de combustion comprend des rainures d'écoulement qui suivent le sens de la gravité. L'extrémité du champ d'écoulement du gaz de combustion est munie d'un tampon de sortie qui comprend une surface inclinée vers une canalisation à décharge gazeuse, située sous le tampon de sortie. Les rainures du canal de sortie sont formées par des cannelures entre la canalisation à décharge gazeuse et le tampon de sortie. Les extrémités inférieures des cannelures forment des zigzags.

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