Hydrogen storage properties of Mg98.5Gd1Zn0.5 and Mg98.5Gd0.5Y0.5Zn0.5 alloys …
At present, the storage technology of hydrogen is the main factor restricting the safe, effective and large-scale application of hydrogen energy. Among them, the solid-state hydrogen storage has been focused on by researchers because of its larger volume density, more economical and safer characteristics relative to gas and liquid …
Ti–Mn hydrogen storage alloys: from properties to …
Efficient and safe storage of hydrogen is an important link in the process of hydrogen energy utilization. Hydrogen storage with hydrogen storage materials as the medium has the characteristics of …
New insights into the hydrogen storage performance degradation and Al functioning mechanism of LaNi5-xAlx alloys …
The XRD patterns of the LaNi 5-x Al x (x = 0, 0.25, 0.5) alloy samples in the 2θ range of 20–80 are shown in Fig. 1 (a) and those between 37 and 48 are shown in Fig. 1 (b) for detailed observation. All the alloys have a pure CaCu 5-type LaNi 5 phase structure with P6/mmm symmetry. symmetry.
Review and outlook on high-entropy alloys for hydrogen storage
Hydrogen storage is a key issue in the context of the hydrogen economy. In this context, metal hydrides are considered a long-term alternative for solid-state hydrogen storage, …
Research progress of hydrogen energy and metal hydrogen …
This paper reviews the methods to improve the hydrogen storage performance of TiFe-based alloys: (1) High energy ball milling leads to the formation of …
High-Entropy Alloys for Solid Hydrogen Storage: Potentials and …
Hydride-forming elements like Ti, Zr, V, Nb, Hf, Ta, La, Ce, Ni, and others have been shown to have hydrogen storage properties and the ability to produce single …
review of hydrogen storage and transport technologies | Clean …
Hydrogen storage in the form of liquid-organic hydrogen carriers, metal hydrides or power fuels is denoted as material-based storage. Furthermore, primary …
Review Advancements in hydrogen storage technologies: A …
Solid-state hydrogen storage (SSHS) has the potential to offer high storage capacity and fast kinetics, but current materials have low hydrogen storage capacity and slow kinetics. LOHCs can store hydrogen in liquid form and release it on demand; however, they require additional energy for hydrogenation and dehydrogenation.
Hydrogen storage properties in rapidly solidified TiZrVCrNi …
The development of alloys with substantial hydrogen storage capacities is a potential solution to the demand for hydrogen storage in a future hydrogen-based …
Nanoscale microstructure and hydrogen storage performance of as cast La-containing V-based multicomponent alloys …
For example, in AB 5 hydrogen storage alloys, the A metal includes one or more RE elements that improve its hydrogen storage performance [20, 21]. Yao [ 22 ] enhanced the activation performance of the AB 2 alloy Ti 1.02 Cr 1.1 Mn 0.3 Fe 0.6 by doping it with a small amount of RE atoms.
Review and outlook on high-entropy alloys for hydrogen storage
Abstract. Recently, a new class of alloys, namely, high-entropy alloys (HEAs), started to be investigated for hydrogen storage as they can form metal hydrides. Considering that the properties of metal hydrides are greatly influenced by the type of phase formed, and chemical composition, HEAs (with their vastness of compositions) present a high ...
Modification of nano-eutectic structure and the relation on hydrogen storage properties: A novel Ti–V–Zr medium entropy alloy …
However, hydrogen energy storage and transportation which depend on gaseous hydrogen storage presents low storage density, and cryogenic liquid hydrogen storage presents poor safety [5]. Solid-state hydrogen storage with higher volumetric hydrogen storage density is safer as well as more efficient and has shown great …
Crystal structure and hydrogen storage properties of Ti-V-Mn alloys …
Abstract. The compositions of TiMn (100-x, Ti/Mn=5/8) V x ( x = 25, 30, 35, 40, 45 and 50) alloys have been investigated comprehensively for their microstructure and hydrogen absorption/desorption properties. The proportion of BCC and C14 Laves phases changes with the V content, and BCC phase increases with increasing V content.
Study on hydrogen storage property of (ZrTiVFe)xAly high-entropy alloys …
(ZrTiVFe) x Al y high-entropy alloys are potential hydrogen storage materials because of their intermediate properties of high hydrogen uptake capacity and fast kinetics. In this study, equimolar and non-equimolar (ZrTiVFe) 80 Al 20 and (ZrTiVFe) 90 Al 10 alloys were prepared, and the effect of Al content on the microstructure, element …
Review Advancements in hydrogen storage technologies: A …
The goal of hydrogen storage technologies is to enhance the energy density of hydrogen and improve its storage and utilization efficiency. By developing …
Hydrogen storage properties of new A3B2-type TiZrNbCrFe high-entropy alloy …
Crystal structure and hydrogen storage properties of a novel equiatomic TiZrNbCrFe high-entropy alloy (HEA) were studied. The selected alloy, which had a A 3 B 2-type configuration (A: elements forming hydride, B: elements with low chemical affinity with hydrogen) was designed to produce a hydride with a hydrogen-to-metal atomic ratio …
Overview of hydrogen-resistant alloys for high-pressure hydrogen …
In hydrogen energy systems, hydrogen-resistant alloys are primarily used for hydrogen refuelling stations (HRSs), hydrogen pipelines and hydrogen storage …
Review and outlook on high-entropy alloys for hydrogen storage
Recently, a new class of alloys, namely, high-entropy alloys (HEAs), started to be investigated for hydrogen storage as they can form metal hydrides. …
Hydrogen storage properties of MgTiVZrNb high-entropy alloy and its catalytic effect upon hydrogen storage …
In contrast, solid-state storage is considered to be the most promising hydrogen storage method owing to its higher hydrogen storage efficiency, energy density, and safety [15, 16]. Magnesium hydride (MgH 2 ) has attracted attention as a solid-state hydrogen storage material due to its high hydrogen storage capacity (∼7.6 wt%), …
