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Related papers: A new material for hydrogen storage, ScAl0.8Mg0.2

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Despite high interest in compact and safe storage of hydrogen in the solid-state hydride form, the design of alloys that can reversibly and quickly store hydrogen at room temperature under pressures close to atmospheric pressure is a…

Materials Science · Physics 2023-01-10 Abbas Mohammadi , Yuji Ikeda , Parisa Edalati , Masaki Mito , Blazej Grabowski , Hai-Wen Li , Kaveh Edalati

Safe and high-density storage of hydrogen, for a clean-fuel economy, can be realized by hydride-forming materials, but these materials should be able to store hydrogen at room temperature. Some high-entropy alloys (HEAs) have recently been…

Materials Science · Physics 2024-05-31 Shivam Dangwal , Yuji Ikeda , Blazej Grabowski , Kaveh Edalati

Magnesium hydride (MgH2) is a promising material for hydrogen storage because of its abundance and beneficial properties, such as high storage capacity and cost-effectiveness under mild conditions. Despite of these benefits, MgH2…

Materials Science · Physics 2025-01-09 Yogesh Kumar Yadav , Mohammad Abu Shaz , Thakur Prasad Yadav

First-principles DFT calculations on the hydrides Ca2NiH6, Sr2NiH6, and Ba2NiH6 reveal key thermodynamic properties. These compounds exhibit increasing entropy and heat capacity with temperature, and are thermodynamically stable at elevated…

Materials Science · Physics 2026-02-11 K. Aafi , Z. El Fatouaki , A. Jabar , A. Tahiri , M. Idiri

In this present investigation, we discussed the synthesis, microstructure, and hydrogen storage behavior intermetallic Laves phase in a hexanal TiVZrMnCoFe high entropy alloy. In this HEA, three elements are hydride-forming elements and the…

Materials Science · Physics 2023-01-13 A. Kumar , T. P. Yadav , M. A. Shaz , N. K. Mukhopadhyay

Magnesium alanate Mg(AlH4)2 has recently raised interest as a potential material for hydrogen storage. We apply ab initio calculations to characterize structural, electronic and energetic properties of Mg(AlH4)2. Density functional theory…

Materials Science · Physics 2007-05-23 M. J. van Setten , G. A. de Wijs , V. A. Popa , G. Brocks

We have investigated the hydrogen storage capabilities of scandium decorated holey graphyne, a recently synthesized carbon allotrope, by applying density functional theory and molecular dynamics simulations. We have observed that one unit…

Materials Science · Physics 2022-02-11 Vikram Mahamiya , Alok Shukla , Nandini Garg , Brahmananda Chakraborty

Ab initio density-functional theory study suggests that pillared Li-dispersed boron carbide nanotubes is capable of storing hydrogen with a mass density higher than 6.0 weight% and a volumetric density higher than 45 g/L. The boron…

Materials Science · Physics 2007-05-23 Xiaojun Wu , Yi Gao , Xiao Cheng Zeng

This study investigates hydrogen permeation in titanium aluminium nitride (TiAlN) using ab initio density functional theory (DFT) for cubic and hexagonal crystal structures. Despite the significance of hydrogen barriers, the potential of…

Materials Science · Physics 2024-10-03 Cem Örnek , Rainer Fechte-Heinen

The present study investigates the partial substitutions of Mn and Cu for Fe in the TiFe-system to gain better understanding of the role of elemental substitution on its hydrogen storage properties. The TiFe0.88-xMn0.02Cux (x = 0, 0.02,…

Materials Science · Physics 2020-10-27 Erika Michela Dematteis , Fermin Cuevas , Michel Latroche

Hydrogen embrittlement (HE) affects all major high-strength structural materials and as such is a major impediment to lightweighting e.g. vehicles and help reduce carbon-emissions and reach net-zero. The high-strength 7xxx series aluminium…

Nanocomposites comprising of high surface area adsorption materials and nanosized transition metals have emerged as a promising strategy for hydrogen storage application due to their inherent ability to store atomic and molecular forms of…

Materials Science · Physics 2024-05-29 A Flamina , R M Raghavendra , Anandh Subramaniam , Raghupathy Yuvaraj

This work reports the hydrogen storage, and delivery capacities of Sc and Y functionalized [1,1]paracyclophane using dispersion corrected density functional theory calculations. The Sc and Y atoms are bind strongly with benzene rings of…

Chemical Physics · Physics 2022-03-01 Rakesh K. Sahoo , P. Kour , Sridhar Sahu

Ever more stringent regulations on greenhouse gas emissions from transportation motivate efforts to revisit materials used for vehicles. High-strength Al-alloys often used in aircrafts could help reduce the weight of automobiles, but are…

We report the preparation of sodium alanate, a promising hydrogen storage material, in a thin film form using co-sputtering in a reactive atmosphere of atomic hydrogen. We study the phase formation and distribution, and the hydrogen…

Materials Science · Physics 2009-10-14 M. Filippi , J. H. Rector , R. Gremaud , M. J van Setten , B. Dam

Knowledge of the relative stabilities of alane (AlH3) complexes with electron donors is essential for identifying hydrogen storage materials for vehicular applications that can be regenerated by off-board methods; however, almost no…

Chemical Physics · Physics 2011-04-20 Bryan M. Wong , David Lacina , Ida M. B. Nielsen , Jason Graetz , Mark D. Allendorf

The development of alloys that are hydrogenated and dehydrogenated quickly and actively at room temperature is a challenge for the safe and compact storage of hydrogen. In this study, a new high-entropy alloy (HEA) with AB-type…

Materials Science · Physics 2024-02-20 Shivam Dangwal , Kaveh Edalati

Hydrogen is widely regarded as a cornerstone of future low-carbon energy technologies, yet the lack of safe, efficient, and reversible solid-state storage materials remains a major barrier to its large-scale deployment. Although porous…

Novel materials capable of storing hydrogen or/and methane at high gravimetric and volumetric densities are required for hydrogen vehicles to be widely employed as a clean alternative to fossil-based vehicles. Metal-Organic Frameworks…

Materials Science · Physics 2024-02-06 A. Granja-DelRío , I. Cabria