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Open AccessArticle

Activation and Disproportionation of Zr2Fe Alloy as Hydrogen Storage Material

Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, China
Institute of Materials, Chinese Academy of Engineering Physics, Jiangyou 621908, China
School of Resource & Environment and Safe Engineering, University of South China, Hengyang 421001, China
Energy Materials and Technology Research Institute, General Research Institute for Nonferrous Metals, Beijing 100088, China
Author to whom correspondence should be addressed.
Academic Editors: Takayuki Ichikawa and Ankur Jain
Molecules 2019, 24(8), 1542;
Received: 1 March 2019 / Revised: 11 April 2019 / Accepted: 12 April 2019 / Published: 19 April 2019
(This article belongs to the Special Issue Advances in Hydrogen Storage Materials Research)
As a hydrogen storage material, Zr2Fe alloy has many advantages such as fast hydrogen absorption speed, high tritium recovery efficiency, strong anti-pulverization ability, and difficulty self-igniting in air. Zr2Fe alloy has lower hydrogen absorption pressure at room temperature than LaNi5 alloy. Compared with the ZrVFe alloy, the hydrogen release temperature of Zr2Fe is lower so that the material can recover hydrogen isotopes at lower hydrogen concentration efficiently. Unfortunately, the main problem of Zr2Fe alloy in application is that a disproportionation reaction is easy to occur after hydrogen absorption at high temperature. At present, there is little research on the generation and influencing factors of a disproportionation reaction in Zr2Fe alloy. In this paper, the effects of temperature and hydrogen pressure on the disproportionation of Zr2Fe alloy were studied systematically. The specific activation conditions and experimental parameters for reducing alloy disproportionation are given, which provide a reference for the specific application of Zr2Fe alloy. View Full-Text
Keywords: Zr2Fe; activation; disproportionation; hydrogen isotope Zr2Fe; activation; disproportionation; hydrogen isotope
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MDPI and ACS Style

Song, J.; Wang, J.; Hu, X.; Meng, D.; Wang, S. Activation and Disproportionation of Zr2Fe Alloy as Hydrogen Storage Material. Molecules 2019, 24, 1542.

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