Bundling strategy to simultaneously improve the mechanical strength and oxygen permeation flux of the individual perovskite hollow fiber membranes
Date
2017
Authors
An, R.
Song, J.
Li, Y.
Tan, X.
Sunarso, J.
Zhang, C.
Wang, S.
Liu, S.
Editors
Advisors
Journal Title
Journal ISSN
Volume Title
Type:
Journal article
Citation
Journal of Membrane Science, 2017; 527:137-142
Statement of Responsibility
Ran An, Jian Song, Yuan Li, Xiaoyao Tan, Jaka Sunarso, Chi Zhang, Shaobin Wang, Shaomin Liu
Conference Name
Abstract
A single chopstick can be broken easily while a tightly bundled collection of them can withstand much more mechanical stress. This is the case for the individual perovskite hollow fiber membranes for air separation where their inherently low mechanical strength limits their application. Here, several La<inf>0.6</inf>Sr<inf>0.4</inf>Co<inf>0.2</inf>Fe<inf>0.8</inf>O<inf>3-δ</inf>hollow fibers have been bonded together to form a bundle, significantly improving the mechanical properties and the oxygen flux. The strategy for such improvement is the application of porous Ba<inf>0.5</inf>Sr<inf>0.5</inf>Co<inf>0.4</inf>Fe<inf>0.6</inf>O<inf>3-δ</inf>perovskite as the binder. The perovskite binder not only plays the function of binding to increase the mechanical strength but also works as the catalyst attached on the exterior of the hollow fiber to improve the oxygen reduction surface reactions, thus leading to the higher oxygen flux.
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Dissertation Note
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Description
Available online 08 January 2017
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© 2017 Elsevier B.V. All rights reserved.