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Permanent link (DOI): https://doi.org/10.7939/R3CS9M

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Sputtered magnesium aluminum and magnesium aluminum titanium alloys for hydrogen storage Open Access

Descriptions

Other title
Subject/Keyword
hydrogen storage
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Haagsma, Julian
Supervisor and department
Mitlin, David (Chemical and Materials Engineering)
Examining committee member and department
Jacob, Zubin (Electrical and Computer Engineering)
Nychka, John (Chemical and Materials Engineering)
Department
Department of Chemical and Materials Engineering
Specialization

Date accepted
2011-09-26T14:52:06Z
Graduation date
2011-11
Degree
Master of Science
Degree level
Master's
Abstract
Hydrogen storage has been a key area of focus in the clean energy field for over a decade, as it is a major obstacle to the widespread adoption of fuel cells for mobile applications. The aim of this thesis research was to improve the Magnesium Aluminum hydrogen storage system in order to make it operate faster and at lower temperatures, by kinetic and thermodynamic improvements. Magnesium Aluminium Titanium was examined as alloy additions were seen as a method to improve on Magnesium Aluminum. Improvements to kinetics were observed with Magnesium Aluminium Titanium, but no thermodynamic improvements were found, and hydrogen was stored predominantly as alpha magnesium hydride. Median charging times of less than 15 seconds to 90 percent of maximum capacity were found in 85Mg7.5Al7.5Ti samples over 100 cycles, and a median of 5.29 weight percent reversible storage was found in 85Mg10Al5Ti.
Language
English
DOI
doi:10.7939/R3CS9M
Rights
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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