Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 39, Issue 22, Pages 11683-11689Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2014.05.163
Keywords
Proton conductor; Hydrogen separation; Stability testing; Thickness dependence
Categories
Funding
- Anhui Nature Science Foundation
- Ministry of Science and Technology of China [2012CB215403]
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In order to obtain chemically stable hydrogen-permeable cermet membranes against CO2 and H2O, the composite membranes consisting of Ni and Ba(Zr0.7Pr0.1Y0.2)O3-delta (BZPY) are fabricated by the dry-press technique and reducing atmosphere sintering process. SEM results show that the cermet membrane is extremely dense and metal nickel is randomly distributed in BZPY oxide matrix. Hydrogen permeation properties of the Ni-BZPY membranes are systemically studied including the influence of the operating temperature, H-2 concentration in feed stream, humidification degree and membrane thickness. The Ni-BZPY membrane presents good chemical stability in humid condition or CO2-containing environments and is potential candidates for hydrogen separation. Copyright (C) 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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