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相关论文: High-capacity reversible hydrogen storage in scand…

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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…

材料科学 · 物理学 2021-11-05 Vikram Mahamiya , Alok Shukla , Brahmananda Chakraborty

Expanding pollution and rapid consumption of natural reservoirs (gas, oil, and coal) led humankind to explore alternative energy fuels like hydrogen fuel. Solid-state hydrogen storage is most desirable because of its usefulness in the…

材料科学 · 物理学 2022-07-19 Mukesh Singh , Alok Shukla , Brahmananda Charkraborty

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…

材料科学 · 物理学 2023-03-07 Mukesh Singh , Alok Shukla , Brahmananda Chakraborty

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…

化学物理 · 物理学 2022-03-01 Rakesh K. Sahoo , P. Kour , Sridhar Sahu

Holey graphyne (HGY), a novel 2D single-crystalline carbon allotrope, was synthesized most recently by Castro-Stephens coupling reaction. The natural existing uniform periodic holes in the 2D carbon-carbon network demonstrate its tremendous…

应用物理 · 物理学 2020-04-07 Yan Gao , Huanian Zhang , Hongzhe Pan , Qingfang Li , Haifeng Wang , Jijun Zhao

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$_2$…

材料科学 · 物理学 2022-02-11 Vikram Mahamiya , Alok Shukla , Brahmananda Chakraborty

In this work, we investigate the hydrogen-storage properties of Zr-decorated $\gamma$-graphyne monolayer employing Density Functional Theory (DFT) for green energy storage. We predict that each Zr atom decorated on graphyne sheet (2D) can…

材料科学 · 物理学 2023-12-29 Mukesh Singh , Alok Shukla , Brahmananda Chakraborty

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 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…

Sorbent materials, such as graphene-based systems coated with Cr, are being investigated as potential hydrogen storage materials. Graphene, a 2D material with a high surface-to-volume ratio, has been employed. A comparison is conducted…

材料科学 · 物理学 2025-07-30 Pratyasha Tripathy , Hetvi Jadav , Himanshu Pandey

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…

Pristine graphene is not suitable for hydrogen storage at ambient conditions since it binds the hydrogen molecules only by van der Waals interactions. However, the adsorption energy of the hydrogen molecules can be improved by doping or…

材料科学 · 物理学 2022-10-24 Vikram Mahamiya , Alok Shukla , Nandini Garg , Brahmananda Chakraborty

First-principles plane wave calculations predict that Li can be adsorbed on graphene forming a uniform and stable coverage on both sides. A significant part of the electronic charge of the Li-$2s$ orbital is donated to graphene and is…

介观与纳米尺度物理 · 物理学 2009-11-13 C. Ataca , E. Akturk , S. Ciraci , H. Ustunel

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…

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

Based on the first-principles plane wave calculations, we showed that Ca adsorbed on graphene can serve as a high-capacity hydrogen storage medium, which can be recycled by operations at room temperature. Ca is chemisorbed by donating part…

介观与纳米尺度物理 · 物理学 2009-11-13 C. Ataca , E. Akturk , S. Ciraci

A promising material for hydrogen storage at room temperature-Al doped graphene was proposed theoretically by using density functional theory calculation. Hydrogen storage capacity of 5.13 wt% was predicted at T = 300 K and P = 0.1 Gpa with…

材料科学 · 物理学 2009-11-13 Z. M. Ao , Q. Jiang , R. Q. Zhang , T. T. Tan , S. Li

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

The development of safe, efficient, and reversible hydrogen storage materials is critical for advancing hydrogen-based energy technologies and achieving carbon-neutral goals. Ennea-Graphene, a new 2D carbon allotrope made of 4-, 5-, 6-, and…

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…

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