公开(公告)号：WO2018085500A1

公开(公告)日：2018-05-11

申请号：PCT/US2017/059664

申请日：2017-11-02

Applicant: WORCESTER POLYTECHNIC INSTITUTE

Inventor： DATTA, Ravindra ,  YEN, Pei-Shan ,  DEVEAU, Nicholas D.

IPC: B01D69/10 ,  B01D69/12 ,  B01D53/22 ,  B01D71/02 ,  C01B3/50

CPC classification number: C01B3/503 ,  B01D53/228 ,  B01D61/38 ,  B01D69/04 ,  B01D69/10 ,  B01D69/12 ,  B01D71/022 ,  B01D2256/16 ,  B01D2257/108 ,  B01D2257/502 ,  B01D2257/504 ,  B01D2257/80 ,  B01D2311/10

Abstract: A hydrogen separation membrane employs dense liquid metal separator deposited on a support structure for providing a membrane film allowing passage of hydrogen to be used in industrial processes and consumer applications benefiting from pure hydrogen. A support structure such as silicon carbide is non-reactive with the molten metal, thus withstanding the high temperatures associated with hydrogen producing processes. The liquid metal "wets", or adheres/covers the support structure to form continuous membrane for passing only hydrogen and resisting breakdown leading to discontinuity in the membrane surface. The molten (liquid) metal membrane is "sandwiched" between porous and inert ceramic supports to form a continuous thin film. Molecular hydrogen dissociates on the liquid metal membrane surface when exposed to a hydrogen gas mixture. The resulting hydrogen atoms dissolve into and diffuse across liquid metal film to arrive at the opposite surface, where they reassociate and desorb as pure hydrogen gas.

Abstract translation: 氢分离膜采用沉积在载体结构上的致密液态金属分离器来提供允许氢通过的膜膜，以用于工业过程和受益于纯氢的消费者应用。 诸如碳化硅的支撑结构与熔融金属不反应，因此承受与制氢过程相关的高温。 液体金属“湿润”或粘附/覆盖支撑结构以形成仅使氢通过并阻止击穿导致膜表面不连续的连续膜。 熔融（液体）金属膜被“夹在” 在多孔和惰性陶瓷载体之间以形成连续的薄膜。 当暴露于氢气混合物时，分子氢在液态金属膜表面解离。 所产生的氢原子溶解并扩散到液态金属膜上，到达相反的表面，在那里它们作为纯氢气重新缔合和解吸。