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题名: High-flux H-2 separation membranes from (Pd/Au)(n) nanolayers
作者: Shi, Lei1;  Goldbach, Andreas1;  Xu, Hengyong1
关键词: PdAu membranes ;  PdAu alloying ;  Nanolayers ;  Electroless plating ;  Hydrogen permeation
刊名: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
发表日期: 2011-02-01
DOI: 10.1016/j.ijhydene.2010.11.056
卷: 36, 期:3, 页:2281-2284
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Electrochemistry ;  Energy & Fuels
研究领域[WOS]: Chemistry ;  Electrochemistry ;  Energy & Fuels
英文摘要: A novel strategy for the preparation of supported PdAu alloy layers allows the facile and fast fabrication of highly permeable and selective H-2 separation membranes from refractory metals via electroless plating and low-temperature alloying. Homogenous alloying of multiple, separately deposited Pd and Au layers with thickness in the nm range required less than one week at 773 K under atmospheric H-2 as evidenced by X-ray diffraction and H-2 permeation measurements. The H-2 permeation rate IN, became stable within a day even, reaching 0.62 mol m(-2) s(-1) at 773 K and Delta P-H2 = 100 kPa. The corresponding N-2 leak rate remained constant during a 350 h experiment, resulting in an ideal H-2/N-2 selectivity of 1400 and demonstrating that such membranes tolerate extended operation at that temperature well. (C) 2010 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.
关键词[WOS]: COMPOSITE MEMBRANES ;  INTERMETALLIC DIFFUSION ;  HYDROGEN-PRODUCTION ;  PALLADIUM MEMBRANE ;  PD MEMBRANES ;  BARRIER ;  ALLOYS
语种: 英语
WOS记录号: WOS:000288825800046
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142599
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Shi, Lei,Goldbach, Andreas,Xu, Hengyong. High-flux H-2 separation membranes from (Pd/Au)(n) nanolayers[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2011,36(3):2281-2284.
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