Hydrogen-permeable membrane and method of making same

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According to the present invention there is disclosed a hydrogen-permeable membrane (1) which comprises a ceramic material (13) composed of a nitride of aluminum (Al) and/or silicon (Si), an oxide of aluminum (Al) and/or silicon (Si), ) or a silicide of a rare earth element, and particles of at least one kind of hydrogen-permeable metal (11) selected from palladium (Pd), niobium (Nb), vanadium (V), tantalum (Ta) and an alloy thereof, dispersed in the ceramic material (13), wherein a proportion of the hydrogen-permeable metal particles (11) in the hydrogen-permeable membrane (1) is 30 to 70% by mass and a thickness of the membrane (1) is 5 to 1, 000nm.