期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 37, 期 17, 页码 13007-13012出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2012.05.064
关键词
Hydrogen separation; Composite palladium membrane; Porous stainless steel; Pencil coating; Electroless plating; Galvanic cell reaction
资金
- Natural Science Foundation of China [20876075]
- Natural Science Foundation of the Higher Education Institutions of Jiangsu Province, China [09KJA530003]
- Open Project of Shanghai Key Laboratory of Modern Metallurgy and Materials Processing [SELF-2010-01]
The increasing utilizations of hydrogen energy have greatly promoted the demand on H-2-permeable palladium membranes, particularly those supported on porous stainless steel (PSS). A macroporous stainless steel tube was employed as substrate material, and its surface was modified by pencil coating. The palladium membrane was successfully fabricated via electroless plating. Before plating, the Pencil/PSS substrate was simply activated by an immersion in PdCl2-HCl solution, where the PSS and the graphite layer served as anode and cathode, respectively, yielding palladium seeds on the Pencil/PSS surface through galvanic cell reaction. During electroless plating, a peeling of the palladium layer occurred, but this problem can be solved by introduction of a suction treatment, and the resulting Pd/Pencil/PSS membrane was found to be permeable and stable. Copyright (C) 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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