METHOD FOR PRODUCING A MEMBRANE FOR SEPARATING HYDROGEN FROM GAS MIXTURES

摘要

The present invention relates to the field of hydrogen energetics, separation hydrogen from gas mixtures, and production of high-purity hydrogen. A result achieved in the proposed technical solution consists in ensuring a uniform hydrogen concentration distribution through the membrane thickness. The indicated result is achieved in the proposed method for producing a membrane for separating hydrogen from gas mixtures, which method comprising a step of applying a protective-catalytical coating from palladium or palladium alloys at an input surface and output surface of the membrane made on the basis of metals of the 5th group of the Periodic table, which metals being alloyed with each other or with another metals, wherein the membrane material being produced from an alloy containing impurities of doping ingredients, which concentration being changed in the direction from the input membrane surface to the output membrane surface by means of increasing the hydrogen solubility in the membrane material in the direction from the input membrane surface to the output membrane surface in accordance with a formula in claim 1.