Patent ID: 6761755
Filing Date: 2004-07-13
Classification: B01D,C01B,Y10S

Abstract:
A composite membrane, comprising a flexible, metallic substrate and a layer system arranged on at least one surface of the substrate, wherein the layer system comprises a rigid, non-self-supporting, nonmetallic inorganic diffusion barrier layer and at least one hydrogen-permeable, nonporous, metallic membrane layer, wherein the diffusion barrier layer is arranged between the substrate and the at least one membrane layer and comprises at least one single layer, wherein at least a single layer of the diffusion barrier layer directly adjoining the membrane layer is open-pored and/or has microcracks and has an electrical resistivity of less than about 10 &OHgr;cm at a temperature of 20Â° C. on its surface facing away from the substrate, wherein the substrate has an open porosity in a range of 15% to 60%, and wherein the at least one membrane layer is electrodeposited on the surface of the at least one diffusion barrier layer facing away from the substrate.