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Borophene, the boron atom analogue to graphene, being atomic thick have been just recently experimentally fabricated. In this work, we employ first-principles density functional theory calculations to investigate the interaction of Ca, Mg,…

材料科学 · 物理学 2017-04-17 B Mortazavi , A Dianat , O Rahaman , G Cuniberti , T Rabczuk

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…

材料科学 · 物理学 2022-02-25 Vikram Mahamiya , Alok Shukla , Brahmananda Chakraborty

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…

材料科学 · 物理学 2024-07-24 Ankita Jaiswal , Rakesh K. Sahoo , Sridhar Sahu

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…

材料科学 · 物理学 2026-01-21 Hongyan Ma , Qing Wang , Huilin Sun , Qingyu Li , Yunhui Wang , Zhihong Yang , Huaihong Zhao , Huazhong Shu

First principles based DFT calculations performed to insight structural and electronic properties of Boron doped Magnesium atom decorated graphene sheet for application of hydrogen storage. The four H2 molecules stably binds magnesium atom…

材料科学 · 物理学 2020-03-31 Baliram Lone

Two-dimensional (2D) materials as electrodes is believed to be the trend for future Li-ion and Na-ion batteries technologies. Here, by using first-principles methods, we predict that the recently reported borophene (2D born sheet) can serve…

介观与纳米尺度物理 · 物理学 2016-10-19 Xiaoming Zhang , Junping Hu , Yingchun Cheng , Hui Ying Yang , Yugui Yao , Shengyuan A. Yang

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…

化学物理 · 物理学 2016-09-12 Sonai Seenithurai , Jeng-Da Chai

Most recent exciting experimental advances introduced buckled and flat borophene nanomembranes as new members to the advancing family of two-dimensional (2D) materials. Borophene, is the boron atom analogue of graphene with interesting…

计算物理 · 物理学 2017-05-10 Bohayra Mortazavi , Obaidur Rahaman , Said Ahzi , Timon Rabczuk

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…

材料科学 · 物理学 2007-05-23 Xiaojun Wu , Yi Gao , Xiao Cheng Zeng

Using first-principle density functional theory, we investigated the hydrogen storage capacity of Li functionalized adamantane. We showed that if one of the acidic hydrogen atoms of adamantane is replaced by Li/Li+, the resulting complex is…

介观与纳米尺度物理 · 物理学 2015-05-27 Ahmad Ranjbar , Mohammad Khazaei , Natarajan Sathiyamoorthy Venkataramanan , Hoonkyung Lee , Yoshiyuki Kawazoe

Exceptionally high energy density by mass, natural abundance, widespread applications, and environmental friendliness make hydrogen (H2) a front-runner among clean energy options. However, the transition toward clean and renewable energy…

材料科学 · 物理学 2024-07-25 Wael Othman , Wadha Al Falasi , Tanveer Hussain , Nacir Tit

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…

Two-dimensional (2D) structures of boron atoms so called borophene, have recently attracted remarkable attention. In a latest exciting experimental study, a hydrogenated borophene structure was realized. Motivated by this success, we…

The development of reversible hydrogen storage materials has become crucial for enabling carbon-neutral energy systems. Based on this, the present work investigates the hydrogen storage on the sodium-decorated P-C$_3$N (Na@P-C$_3$N), a…

This study employs density functional theory (DFT) and density functional tight-binding theory (DFTB) to determine the adsorption properties of carbon dioxide (CO$_2$), methane (CH$_4$), and dihydrogen (H$_2$) in carbophenes functionalized…

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…

材料科学 · 物理学 2023-12-05 Vikram Mahamiya , Alok Shukla , Brahmananda Chakraborty

The shift from fossil fuels to renewable energy sources is essential for reducing global carbon emissions and addressing climate change. Developing advanced materials for efficient hydrogen storage enables sustainable energy solutions in…

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…

应用物理 · 物理学 2018-03-21 Meysam Makaremi , Bohayra Mortazavi , Chandra Veer Singh

The recent experimental synthesis of the two-dimensional (2D)boron-graphdiyne (BGDY) nanosheet has motivated us to investigate its structural, electronic,and energy storage properties. BGDY is a particularly attractive candidate for this…

介观与纳米尺度物理 · 物理学 2019-03-26 T. Hussain , B. Mortazavi , H. Bae , T. Rabczuk , H. Lee , A. Karton

Rational design of novel two-dimensional (2D) electrode materials with high capacity is crucial for the further development of Li-ion and Na-ion batteries. Herein, based on first-principles calculations, we systemically investigate Li and…

材料科学 · 物理学 2019-11-22 Junping Hu , Chengyong Zhong , Weikang Wu , Ning Liu , Yu Liu , Shengyuan A. Yang , Chuying Ouyang
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