Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 36, Issue 16, Pages 9694-9701Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2011.04.195
Keywords
Hollow; Glass; Microsphere; Hydrogen; Storage
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Funding
- Kazuo Inamori School of Engineering at Alfred University
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Illumination of engineered hollow glass microspheres with near-infrared light is used to rapidly release stored gases, in particular hydrogen. Photo-induced outgassing of hydrogen is made possible by introducing optically active dopants into the glass such as cobalt. Recycled amber glass frit coated with polypropylene glycol and cobalt sulfate is converted into hollow glass microspheres with a simple, low-cost flame spraying method. Hollow glass microspheres made by this process release hydrogen more quickly when illuminated versus traditional outgassing with a heated oven. A simple model is proposed for engineering the geometry of the hollow glass microspheres. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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