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

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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.

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Shin, H., Eto, Y., Hiroyuki, T.T. et al. Hydrogenation and Dehydrogenation Properties of Mg-Cu, Mg-Al Eutectic Alloy. MRS Online Proceedings Library 1216, 822 (2009). https://doi.org/10.1557/PROC-1216-W08-22

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  • DOI: https://doi.org/10.1557/PROC-1216-W08-22

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