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Related papers: Hydrogen storage in Li functionalized [2,2,2]parac…

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In this work, we studied the hydrogen adsorption-desorption properties and storage capacities of Ti functionalized [2,2,2]paracyclophane (PCP222) using density functional theory and molecular dynamic simulation. The Ti atom was bonded…

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

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

The Lithium-Boron Reactive Hydride Composite System (Li-RHC) (2 LiH + MgB$_{2}$ / 2 LiBH$_{4}$ + MgH$_{2}$) is a high-temperature hydrogen storage material suitable for energy storage applications. Herein, a comprehensive gas-solid kinetic…

Due to the presence of strong static correlation effects and noncovalent interactions, accurate prediction of the electronic and hydrogen storage properties of Li-adsorbed acenes with n linearly fused benzene rings (n = 3 - 8) has been very…

Chemical Physics · Physics 2016-09-12 Sonai Seenithurai , Jeng-Da Chai

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…

Two-dimensional porous carbon nanomaterials are proven to be promising hydrogen storage substrates as they possess high surface area, large number of active sites, low molecular mass, and hydrogen molecules can be adsorbed on both sides of…

Materials Science · Physics 2023-12-05 Vikram Mahamiya , Alok Shukla , Brahmananda Chakraborty

The interactions of atomic and molecular hydrogen with bare interstellar dust grain surfaces are important for understanding H2 formation at relatively high temperatures (>20 K). We investigate the diffusion of physisorbed H atoms and the…

Astrophysics of Galaxies · Physics 2019-11-14 Masashi Tsuge , Tetsuya Hama , Yuki Kimura , Akira Kouchi , Naoki Watanabe

We report on hydrogen adsorption and desorption on titanium-covered graphene in order to test theoretical proposals to use of graphene functionalized with metal atoms for hydrogen storage. At room temperature titanium islands grow with an…

Chemical Physics · Physics 2013-12-06 Torge Mashoff , Makoto Takamura , Shinichi Tanabe , Hiroki Hibino , Fabio Beltram , Stefan Heun

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 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

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

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

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

Porous nanocarbon materials are seen as potential excellent materials for hydrogen storage due to their high surface area, excellent cycling stability and favorable kinetics. This study employs Density Functional Theory (DFT) simulations to…

Materials Science · Physics 2026-01-21 Hongyan Ma , Qing Wang , Huilin Sun , Qingyu Li , Yunhui Wang , Zhihong Yang , Huaihong Zhao , Huazhong Shu

We study polylithiated molecules as building blocks for hydrogen storage materials, using first-principles calculations. $\clifour$ and $\olitwo$ bind 12 and 10 hydrogen molecules, respectively, with an average binding energy of 0.10 and…

Materials Science · Physics 2009-05-18 Süleyman Er , Gilles A. de Wijs , Geert Brocks

The storage of hydrogen (H$_2$) is of economic and ecological relevance, because it could potentially replace petroleum-based fuels. However, H$_2$ storage at mild condition remains one of the bottlenecks for its widespread usage. In order…

Materials Science · Physics 2019-12-24 Srimanta Pakhira , Jose L. Mendoza-Cortes

Borophosphene is investigated for hydrogen storage by density functional theory calculations through Li, Na and Ca decoration. Decoration enhances the binding energy from -0.047 eV/H2 to -0.20 -- -0.42 eV/H2. PDOS and Bader charge analysis…

Materials Science · Physics 2023-10-25 Sandip Haldar

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

The graphane with chemically bonded alkali metals (Li, Na, K) was considered as potential material for hydrogen storage. The ab initio calculations show that such material can adsorb as many as 4 hydrogen molecules per Li, Na and K metal…

Using first-principles density functional theory simulations, we have observed that the scandium decorated C$_{24}$ fullerene can adsorb up to six hydrogen molecules with an average adsorption energy of -0.35 eV per H$_2$ and average…

Materials Science · Physics 2021-11-05 Vikram Mahamiya , Alok Shukla , Brahmananda Chakraborty
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