scholarly journals Magnesium-Based Materials for Hydrogen Storage—A Scope Review

Materials ◽  
2020 ◽  
Vol 13 (18) ◽  
pp. 3993 ◽  
Author(s):  
Agata Baran ◽  
Marek Polański
Keyword(s):  
Hydrogen Storage ◽  
Point Of View ◽  
Reaction Yield ◽  
Theoretical Point ◽  
Practical Application ◽  
Polymorphic Transformations ◽  
Mechanical Synthesis ◽  
Hydrogen Storage Properties ◽  
The Many ◽  
Storage Properties

Magnesium hydride and selected magnesium-based ternary hydride (Mg2FeH6, Mg2NiH4, and Mg2CoH5) syntheses and modification methods, as well as the properties of the obtained materials, which are modified mostly by mechanical synthesis or milling, are reviewed in this work. The roles of selected additives (oxides, halides, and intermetallics), nanostructurization, polymorphic transformations, and cyclic stability are described. Despite the many years of investigations related to these hydrides and the significant number of different additives used, there are still many unknown factors that affect their hydrogen storage properties, reaction yield, and stability. The described compounds seem to be extremely interesting from a theoretical point of view. However, their practical application still remains debatable.

scholarly journals Co-Addition of Mg2Si and Graphene for Synergistically Improving the Hydrogen Storage Properties of Mg−Li Alloy

2021 ◽  
Vol 9 ◽  
Author(s):  
Xiantun Huang ◽  
Haizhen Liu ◽  
Xingqing Duan ◽  
Zhiqiang Lan ◽  
Jin Guo
Keyword(s):  
Hydrogen Storage ◽  
Milling Process ◽  
Practical Application ◽  
High Hydrogen ◽  
Hydrogen Storage Properties ◽  
Hydrogen Capacity ◽  
Co Addition ◽  
Storage Properties ◽  
Insight Into

Mg−Li alloy possesses a high hydrogen capacity. However, the hydrogenation and dehydrogenation performances are still far from practical application. In this work, Mg2Si (MS) and graphene (G) were employed together to synergistically improve the hydrogen storage properties of Mg−Li alloy. The structures of the samples were studied by XRD and SEM methods. The hydrogen storage performances of the samples were studied by nonisothermal and isothermal hydrogenation and dehydrogenation, thermal analysis, respectively. It is shown that the onset dehydrogenation temperature of Mg−Li alloy was synergistically reduced from 360°C to 310°C after co-addition of Mg2Si and graphene. At a constant temperature of 325°C, the Mg−Li−MS−G composite can release 2.7 wt.% of hydrogen within 2 h, while only 0.2 wt.% of hydrogen is released for the undoped Mg−Li alloy. The hydrogenation activation energy of the Mg−Li−MS−G composite was calculated to be 86.5 kJ mol−1. Microstructure and hydrogen storage properties studies show that graphene can act as a grinding aid during the ball milling process, which leads to a smaller particle size for the composites. This work demonstrates that coaddition of Mg2Si and graphene can synergistically improve the hydrogen storage properties of Mg−Si alloy and offers an insight into the role of graphene in the Mg−Li−MS−G composite.

Achieving superior hydrogen storage properties of MgH2 by the effect of TiFe and carbon nanotubes

2021 ◽  
Vol 422 ◽  
pp. 130101
Author(s):  
Xiong Lu ◽  
Liuting Zhang ◽  
Haijie Yu ◽  
Zhiyu Lu ◽  
Jiahuan He ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Hydrogen Storage ◽  
Hydrogen Storage Properties ◽  
Storage Properties

Review on the effect of metal oxides as surface coatings on hydrogen storage properties of porous and non-porous materials

2021 ◽  
Author(s):  
Thabang Ronny Somo ◽  
Tumiso Eminence Mabokela ◽  
Daniel Malesela Teffu ◽  
Tshepo Kgokane Sekgobela ◽  
Mpitloane Joseph Hato ◽  
...  
Keyword(s):  
Hydrogen Storage ◽  
Metal Oxides ◽  
Porous Materials ◽  
Surface Coatings ◽  
Hydrogen Storage Properties ◽  
Storage Properties

Improved Hydrogen Storage Properties of NaBH4 Destabilized by CaH2 and Ca(BH4)2

2011 ◽  
Vol 115 (18) ◽  
pp. 9283-9290 ◽  
Author(s):  
Jianfeng Mao ◽  
Zaiping Guo ◽  
Xuebin Yu ◽  
Huakun Liu
Keyword(s):  
Hydrogen Storage ◽  
Hydrogen Storage Properties ◽  
Storage Properties

Comparison of hydrogen storage properties of Mg–Ni from different preparation methods

2011 ◽  
Vol 127 (1-2) ◽  
pp. 405-408 ◽  
Author(s):  
A. Ranjbar ◽  
S. Aminorroaya ◽  
Z.P. Guo ◽  
Y. Cho ◽  
H.K. Liu ◽  
...  
Keyword(s):  
Hydrogen Storage ◽  
Preparation Methods ◽  
Hydrogen Storage Properties ◽  
Storage Properties

scholarly journals Understanding of Hydrogen Storage Properties of Metal Hydrides Based on Structural Analysis

Materia Japan ◽  
2013 ◽  
Vol 52 (7) ◽  
pp. 328-332
Author(s):  
Yumiko Nakamura ◽  
Kouji Sakaki ◽  
Kohta Asano ◽  
Hyunjeong Kim ◽  
Itoko Matsumoto ◽  
...  
Keyword(s):  
Structural Analysis ◽  
Hydrogen Storage ◽  
Metal Hydrides ◽  
Hydrogen Storage Properties ◽  
Storage Properties
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