Hydrogen separation membrane with a carrier, fuel cell and...

H - Electricity – 01 – M

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H01M 8/06 (2006.01) B01D 53/22 (2006.01) B01D 71/02 (2006.01) C01B 3/50 (2006.01) H01M 4/94 (2006.01)

Patent

CA 2624979

A method of manufacturing a hydrogen separation membrane with a carrier is characterized by including a first step of providing, between the hydrogen separation membrane and the carrier that supports the hydrogen separation membrane, a low-hardness metal membrane having a hardness that is lower than the hardness of the hydrogen separation membrane, and a second step of joining the hydrogen separation membrane, the low-hardness metal membrane, and the carrier by a cold joining method. In this case, it is possible to suppress the deformation of the hydrogen separation membrane, the low-hardness metal membrane, and the carrier and, as a result, it is possible to prevent damaging of the hydrogen separation membrane. The adhesion of the contact between the hydrogen separation membrane and the carrier is also improved. The result is that it is not necessary to increase the severity of the cold joining conditions.

Procédé de fabrication d'une membrane de séparation d'hydrogène pourvue d'un support qui consiste, lors d'une première étape, à placer, entre la membrane de séparation d'hydrogène et le support supportant la membrane de séparation d'hydrogène, une membrane métallique de faible dureté ayant une dureté qui est inférieure à la dureté de la membrane de séparation d'hydrogène, et lors d'une seconde étape, à joindre la membrane de séparation d'hydrogène, la membrane métallique de faible dureté et le support par un procédé de jonction à froid. Il est ainsi possible de supprimer la déformation de la membrane de séparation d'hydrogène, de la membrane métallique de faible dureté et du support, ce qui permet d'éviter les dommages pouvant être subis par la membrane de séparation d'hydrogène. La qualité de l'adhérence entre la membrane de séparation d'hydrogène et le support est également améliorée. Par conséquent, il n'est pas nécessaire d'augmenter la rigueur des conditions de jonction à froid.

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