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The energy demands for the growing development of society need to be catered with alternative and green fuels like hydrogen energy for a lasting and sustainable culture. One essential component of the hydrogen economy is the efficiency of…

Materials Science · Physics 2023-03-07 Mukesh Singh , Alok Shukla , Brahmananda Chakraborty

By employing the state-of-the-art density functional theory, we report the hydrogen storage capability of yttrium decorated C$_{24}$ fullerene. Single Y atom attached on C$_{24}$ fullerene can reversibly adsorb a maximum number of 6 H$_2$…

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

The capacity of Ti-capped sp carbon atomic chains for use as hydrogen storage media is studied using first-principles density functional theory. The Ti atom is strongly attached at one end of the carbon chains via d-p hybridization, forming…

Materials Science · Physics 2017-03-15 Chun-Sheng Liu , Hui An , Zhi Zeng

Hydrogen technology is set to be a key energy alternative for mitigating pollution and reducing CO$_2$ emissions. However, the current storage mechanism of hydrogen molecules in carbon fibre tanks detracts from the fuel economy of hydrogen…

Materials Science · Physics 2026-04-09 Yasmine S. Al-Hamdani , Dario Alfè , Andrea Zen

Two-dimensional (2D) carbon materials have been intensively investigated because of their distinctive structural framework and electronic behaviors as alternatives in energy conversion and storage applications. This study proposes a novel…

Recently, holey graphene (HG) has successfully synthesized at atomic precision of hole size and shape. This shows interesting physical and chemical properties for energy and environmental applications. Shaping of the pores also transforms…

Mesoscale and Nanoscale Physics · Physics 2020-09-02 Deobrat Singh , Vivekanand Shukla , Rajeev Ahuja

Strain effects on the stability, electronic structure, and hydrogen storage capacity of lithium-doped graphane (CHLi) have been investigated by stateof-the art first principle density functional theory (DFT). Molecular dynamics MD)…

Materials Science · Physics 2015-06-05 Tanveer Hussain , Abir De Sarkar , Rajeev Ahuja

Hydrogen is a promising element for applications in new energy sources like fuel cells. One key issue for such applications is storing hydrogen. And, to improve storage capacity, understanding the interaction mechanism between hydrogen and…

The capacity of carbon atomic chains with different terminations for hydrogen storage is studied using first-principles density functional theory calculations. Unlike the physisorption of H2 on the H-terminated chain, we show that two Li…

Mesoscale and Nanoscale Physics · Physics 2010-07-23 Chun-Sheng Liu , Hui An , Zhi Zeng

By applying density functional theory (DFT) and ab-initio molecular dynamics (AIMD) simulations, we predict the ultrahigh hydrogen storage capacity of K and Ca decorated single-layer biphenylene sheet (BPS). We have kept various alkali and…

Materials Science · Physics 2022-02-25 Vikram Mahamiya , Alok Shukla , Brahmananda Chakraborty

The use of a novel three-dimensional graphene structure allows circumventing the limitations of the two-dimensional nature of graphene and its application in hydrogen absorption. Here we investigate hydrogen-bonding on monolayer graphene…

Using density functional theory simulations, this study introduces Petal-Graphyne (PLG), a novel multi-ring metallic structure composed of 4-, 8-, 10-, and 16-membered rings. Its structural, electronic, and lithium/sodium storage properties…

Recently, Liu et al. reported that Ti2CTx MXene have ultra-high hydrogen storage capacity (8.8 wt.%) at room temperature. For the purpose to clearly understand the hydrogen storage (H-storage), the composition of studied samples should be…

Materials Science · Physics 2021-04-28 Sen Jin , Qianku Hu , Aiguo Zhou

This article presents the reversible hydrogen storage capacities of Li-decorated Si6C14 and Si8C12 using Density Functional Theory (DFT). The chemical stabilities of the designed Si6C14Li6 and Si8C12Li4 nanocages are investigated using…

Materials Science · Physics 2024-07-24 Ankita Jaiswal , Rakesh K. Sahoo , Sridhar Sahu

Hydrogen storage capacity, stability, bonding mechanism and the electronic structure of polylithiated molecules (OLi2) functionalized graphane (CH) has been studied by means of first principle density functional theory (DFT). Molecular…

Materials Science · Physics 2015-06-05 Tanveer Hussain , Tuhina Adit Maark , Abir De Sarkar , Rajeev Ahuja

Potassium-decorated graphenyldiene (K@GPD) is investigated as a promising two-dimensional material for reversible hydrogen storage using first-principles density functional theory calculations. Potassium atoms bind strongly to the GPD…

This paper presents a detailed study of the hydrogen adsorption properties of small silicon-lithium binary nanoclusters. The stabilities of H2 adsorbed binary clusters are assured by maximum hardness and minimum electrophilicity principle.…

Applied Physics · Physics 2022-06-28 Ankita Jaiswal , Sridhar Sahu

Molecular hydrogen is at the core of hydrogen energy applications and has the potential to significantly reduce the use of carbon dioxide emitting energy processes. However, hydrogen gas storage is a major bottleneck for its large-scale use…

Materials Science · Physics 2025-01-22 Yasmine S. Al-Hamdani , Andrea Zen , Dario Alfé

In this work, we have studied the hydrogen adsorption-desorption properties and storage capacities of Li functionalized [2,2,2]paracyclophane (PCP222) using dispersion-corrected density functional theory and molecular dynamic simulation.…

Chemical Physics · Physics 2023-01-11 Rakesh K. Sahoo , Sridhar Sahu

Fast-growing electronics industry and future energy storage needs have encouraged the design of rechargeable batteries with higher storage capacities, and longer life times. In this regard, two-dimensional (2D) materials, specifically boron…

Applied Physics · Physics 2018-03-21 Meysam Makaremi , Bohayra Mortazavi , Chandra Veer Singh