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Metals 2017, 7(9), 324; doi:10.3390/met7090324

A Critical Review of Mg-Based Hydrogen Storage Materials Processed by Equal Channel Angular Pressing

College of Mechanics and Materials, Hohai University, Nanjing 211100, China
Suqian Institute, Hohai University, Suqian 223800, China
Author to whom correspondence should be addressed.
Received: 16 July 2017 / Revised: 9 August 2017 / Accepted: 18 August 2017 / Published: 23 August 2017
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As a kind of cost-efficient hydrogen storage materials with high hydrogen capacity and light weight, Mg-based alloys have attracted much attention. This review introduces an effective technique in producing bulk ultrafine-grained (UFG) Mg alloys and promoting its hydrogen storage property, namely, equal-channel angular pressing (ECAP). This paper briefly describes the technical principle of ECAP and reviews the research progress on hydrogen storage properties of ECAP-processed Mg alloys. Special attention is given to their hydrogen storage behaviors including hydrogen storage dynamics, capacity, and cycling stability. Finally, it analyzes the factors that affect the hydrogen storage properties of ECAP-processed Mg alloys, such as the grain sizes, lattice defects, catalysts, and textures introduced by ECAP process. View Full-Text
Keywords: Mg alloy; hydrogen storage behavior; equal-channel angular pressing (ECAP) Mg alloy; hydrogen storage behavior; equal-channel angular pressing (ECAP)

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Wang, L.; Jiang, J.; Ma, A.; Li, Y.; Song, D. A Critical Review of Mg-Based Hydrogen Storage Materials Processed by Equal Channel Angular Pressing. Metals 2017, 7, 324.

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