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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0139218 (1998-08-24) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 326 인용 특허 : 15 |
A hydrogen gas-extraction module includes an intermediate layer bonded between a porous metal substrate and a membrane layer that is selectively permeable to hydrogen. The metal substrate includes a substantial concentration of a first metal at a surface of the metal substrate, and the intermediate
A hydrogen gas-extraction module includes an intermediate layer bonded between a porous metal substrate and a membrane layer that is selectively permeable to hydrogen. The metal substrate includes a substantial concentration of a first metal at a surface of the metal substrate, and the intermediate layer includes an oxide of this first metal. In one embodiment, where the module is designed to selectively extract hydrogen at high temperatures, the porous metal substrate comprises stainless steel, and the membrane layer includes palladium or a palladium/silver alloy. A method for fabricating a hydrogen gas-extraction membrane includes reacting the porous metal substrate with an oxidizing agent to form a ceramic intermediate layer on a surface of the porous metal substrate and covering the ceramic coating with the membrane layer that is selectively permeable to hydrogen.
[ We claim:] [1.] A method for selectively separating hydrogen from hydrogen-producing reactants comprising the following steps:a) reacting the hydrogen-producing reactants to produce hydrogen;b) separating the hydrogen from the hydrogen-producing reactants with a composite gas-separation module hav
[ We claim:] [1.] A method for selectively separating hydrogen from hydrogen-producing reactants comprising the following steps:a) reacting the hydrogen-producing reactants to produce hydrogen;b) separating the hydrogen from the hydrogen-producing reactants with a composite gas-separation module having:1) a porous metal substrate including a substantial concentration of a first metal at a surface of the porous metal substrate;2) an intermediate layer bonded to the porous metal substrate, wherein the intermediate layer includes the first metal in an oxidized state; and3) a membrane that is selectively permeable to hydrogen, wherein the membrane is bonded to the intermediate layer.
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