Synthesis and Hydrogen Sorption Properties of MgH2 Composites with TiFe and Ti3Fe3O Additives

被引：2
|
作者：
Berezovets, V. V. [1 ]
Kononiuk, O. P. [1 ]
Denys, R. V. [2 ]
Zavalii, I. Yu. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Karpenko Physicomech Inst, Lvov, Ukraine
[2] Inst Energy Technol, Kjeller, Norway
来源：
MATERIALS SCIENCE | 2023年 / 59卷 / 02期
基金：
新加坡国家研究基金会;
关键词：
composites; magnesium hydride; sorption-desorption of hydrogen; intermetallic compounds; suboxide; graphite;
D O I：
10.1007/s11003-024-00763-0
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Hydrides of magnesium composites with additives of TiFe intermetalide and Ti3Fe3O suboxide was synthesized by mechanical milling in hydrogen. The rate of mechanochemical hydrogenation of magnesium in the presence of these additives doubles, and the temperature of hydrogen desorption decreases by 100 & mldr;150 degrees C. With the addition of graphite, the particle size of the composites decreases, and the rate of formation of magnesium hydride during milling and in subsequent cycles of hydrogen sorption-desorption increases. The properties of composites, depending on different initial particle sizes and magnesium purity, were investigated. Composites based on magnesium chips were synthesized using a simplified method.
引用
收藏
页码：198 / 204
页数：7
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