Fuel cell having closure seal

Details Fuel cell having closure seal Fuel cell having closure seal

H - Electricity

01

M

H01M 8/02 (2006.01) H01M 2/08 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2479325

A seal member is formed integrally on surfaces of a metal separator of a fuel cell. The seal member includes an outer seal and an inner seal provided on a surface of the metal separator. A plurality of closure seals are formed integrally with an inner edge of the inner seal. The closure seals close a space between the inner seal and a protrusion forming a fuel gas flow field.

Un élément d'étanchéité est formé intégralement sur les surfaces d'un séparateur d'une pile à combustible. L'élément comprend une pièce de scellement intérieure et une pièce de scellement extérieure, qui se trouvent sur la surface du séparateur en métal. Plusieurs joints de fermeture sont formés intégralement sur un bord intérieur de la pièce de scellement intérieure. Les joints de fermeture ferment l'espace entre la pièce de scellement intérieure et une saillie qui forme un champ de circulation de gaz.

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