Fuel cell having an embedded member in a gap between a...

Details Fuel cell having an embedded member in a gap between a... Fuel cell having an embedded member in a gap between a...

H - Electricity

01

M

H01M 8/02 (2006.01) H01M 8/24 (2006.01)

Patent

CA 2650982

Ribs (41a, 43a) are formed on a cathode plate (41) and an anode plate (43) of a fuel cell (10). The ribs (41a, 43a) protrude toward a contact surface of porous members (26, 27), and provided along an outer periphery of the porous members (26, 27) to surround the outer periphery of the porous members (26, 27). The rib (41a) of the cathode plate (41) and the rib (43a) of the anode plate (43) are arranged to face each other when separator (40) and the porous members (26, 27) are stacked on both sides of a power generating portion (20). The power generating portion (20), the porous members (26, 27), and the separator (40) are stacked such that a seal gasket (30) on the power generating portion (20) is partially sandwiched between the ribs (41a, 43a).The perimeter of the porous members ( 26, 27 ) is sealed by an embedded member ( 28, 29) made of, for example, wax materials.

Des nervures (41a, 43a) sont formées sur une plaque de cathode (41) et une plaque d'anode (43) pour une pile à combustible (10). Les nervures (41a, 43a) font saillie vers une surface de contact d'éléments poreux (26, 27), et sont fournies le long d'une périphérie extérieure des éléments poreux (26, 27) pour entourer la périphérie extérieure des éléments poreux (26, 27). La nervure (41a) de la plaque de cathode (41) et la nervure (43a) de la plaque d'anode (43) sont agencées de manière à se faire face l'une par rapport à l'autre lorsqu'un séparateur (40) et les éléments poreux (26, 27) sont superposés des deux côtés d'une partie de génération d'énergie (20). La partie de génération d'énergie (20), les éléments poreux (26, 27) et le séparateur (40) sont superposés de telle sorte qu'un joint statique de scellement (30) sur la partie de génération d'énergie (20) est partiellement pris en sandwich entre les nervures (41a, 43a). Le périmètre des éléments poreux (26, 27) est scellé par un élément incorporé (28, 29) constitué, par exemple, de matériaux de cire.

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