To provide a hydrogen catalyst member for a lightweight, small and inexpensive hydrogen reaction vessel, with respect to a hydrogen catalyst member which performs dehydrogenation to take out hydrogen or hydrogenation to take in hydrogen using a hydrogen medium which chemically repeats hydrogen storage-supply by means of a catalyst carrier supporting a metal catalyst on a porous oxide film, and to provide a hydrogen catalyst member which is easy to produce, increasing the supporting density of a catalyst metal, ensures a high degree of freedom for design of a hydrogen generation vessel, storing fitted for the shape of a hydrogen generation vessel to achieve high heat exchange efficiency, and can be used even at the melting point of aluminum or above.

In the hydrogen catalyst member, the catalyst carrier is crushed pieces of a porous oxide film of aluminum or crushed pieces of a porous oxide film with aluminum as a base material.

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