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Hydrogenation and Dehydrogenation Properties of Mg-Cu, Mg-Al Eutectic Alloy

Published online by Cambridge University Press:  31 January 2011

Ho Shin ,
Yuma Eto ,
Hiroyuki T. Takeshita  and
Koji Tanaka
Ho Shin
Affiliation:
[email protected], Faculty of chemistry, Materials and Bioengineering, Kansai University, Osaka, Japan
Yuma Eto
Affiliation:
[email protected], Faculty of chemistry, Materials and Bioengineering, Kansai University, Osaka, Japan
Hiroyuki T. Takeshita
Affiliation:
[email protected], Faculty of chemistry, Materials and Bioengineering, Kansai University, Osaka, Japan
Koji Tanaka
Affiliation:
[email protected], AIST, IKEDA, Japan
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Abstract

Mg has 7.6 mass% of high gravimetric hydrogen density, an abundance of resources and inexpensive price compared with other functional materials. Owing to these merits, it has been the major subject of hydrogen storage study. However, it is unsuitable for practical application due to thermodynamic stability and slow kinetics of Mg hydride. Therefore, many ways such as fabrication of nanocrystalline or addition of catalyst have been proposed to solve the problems of Mg hydride system. Copper and aluminum are inexpensive and can obtain easily as well as Mg. Each eutectic alloy could be produced by sintering process and observed improvement of reaction with hydrogen. Mg2Cu laminate, one phase of Mg-Cu eutectic alloy, could also be produced by cold-rolling process, and it showed reversible reaction with hydrogen, at this study.

Keywords

Mghydrogenationstorage
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1216: Symposium W – Hydrogen Storage Materials , 2009 , 1216-W08-22
Copyright
Copyright © Materials Research Society 2010

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