Fuel battery

Details Fuel battery Fuel battery

H - Electricity

01

M

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

Patent

CA 2404842

A fuel battery (5) capable of uniformly and distributedly feeding modified gas (or oxidizer or coolant) to each cell while minimizing an increase in number of parts without incurring the complication of a structure, comprising a large number of cells (1) laminated each other through separators and internal manifolds for distributing (feed or discharge) fuel and oxidizer or coolant to the cells (1) installed in a laminated body (2), wherein a cylinder or a cylindrical or columnar through-material (4) is installed at least in one internal manifold (6) so that a proper clearance is provided between the through-material (4) and the inside wall of the internal manifold (6), and the modified gas fed into the internal manifold (6) is streamlined by the through-material (4) before being distributed to the cells (1), whereby the modified gas can be distributed uniformly to the cells (1) for stable power generation, and the performance of the fuel battery can be increased.

L'invention porte sur une pile (5) à combustible pouvant fournir uniformément et distributivement un gaz modifié (oxydant ou réfrigérant) à chacune des cellules tout en réduisant le nombre des pièces et sans impliquer de complication de la structure. Ladite structure comporte un grand nombre de cellules laminées avec introduction de séparateurs, et des tubulures intérieures de distribution (alimentation et décharge) du carburant, de l'oxydant ou du réfrigérant aux cellules (1) placées dans un corps laminé (2). Un cylindre ou un matériau traversant cylindrique ou en forme de colonne est placé au moins dans une tubulure intérieure de manière à assurer un espacement adéquate entre le matériau traversant (4) et la paroi intérieure de la tubulure intérieure (6). Le flux de gaz modifié s'écoulant dans la tubulure intérieure (6) est ainsi régularisé par le matériau traversant (4) avant sa distribution aux cellules (1), d'où une répartition uniforme aux cellules (1) assurant une production stable d'énergie améliorant les performances de la pile.

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