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题名: Defect sealing in Pd membranes via point plating
作者: Zeng, Gaofeng1;  Goldbach, Andreas1;  Xu, Hengyong1
通讯作者: 徐恒泳
关键词: Pd composite membrane ;  Defect repair ;  Selectivity ;  Electroless plating ;  Hydrogen permeation
刊名: JOURNAL OF MEMBRANE SCIENCE
发表日期: 2009-02-20
DOI: 10.1016/j.memsci.2008.11.053
卷: 328, 期:1-2, 页:6-10
收录类别: SCI
文章类型: Article
部门归属: 8
项目归属: 801
产权排名: 1;1
WOS标题词: Science & Technology ;  Technology ;  Physical Sciences
类目[WOS]: Engineering, Chemical ;  Polymer Science
研究领域[WOS]: Engineering ;  Polymer Science
英文摘要: Defects in Pd and Pd-Ag membranes have been successfully sealed by directed electroless plating, which was achieved by feeding the metal source and the reducing agent from opposite directions to the defect zone. Optical microscopy showed that the surface texture of the metal layers was well preserved in the vicinity of cracks and pinholes, indicating that Pd deposition was effectively restricted to defect sites. The ideal H(2)/N(2) selectivity could be improved by more than an order of magnitude during these point plating experiments while the very high H(2) permeability of the membrane was completely retained, indicating that the overall metal layer thickness had not increased. (c) 2008 Elsevier B.V. All rights reserved.
关键词[WOS]: HYDROGEN SEPARATION ;  COMPOSITE MEMBRANE ;  PALLADIUM ;  SEGREGATION ;  TRANSPORT
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000263891600002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/102861
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:
Zeng, Gaofeng,Goldbach, Andreas,Xu, Hengyong. Defect sealing in Pd membranes via point plating[J]. JOURNAL OF MEMBRANE SCIENCE,2009,328(1-2):6-10.
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