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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

Recent breakthroughs in vacancy-ordered double perovskite hydride materials have underscored their significant potential for integration into next-generation high-capacity hydrogen energy storage systems. We perform extensive first…

材料科学 · 物理学 2025-07-29 R. Zosiamliana , Lalhriat Zuala , Shivraj Gurung , R. Lalmalsawma , A. Laref , A. Yvaz , D. P. Rai

Hydrogen storage remains a key challenge for the development of a sustainable hydrogen energy system, where materials must satisfy requirements on storage capacity, thermodynamics, kinetics, and reversibility. Complex borohydrides are…

材料科学 · 物理学 2026-04-13 Sikander Azam , Wilayat Khan

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

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)…

材料科学 · 物理学 2015-06-05 Tanveer Hussain , Abir De Sarkar , Rajeev Ahuja

We propose a multi-layer graphene-based device in which storage and release of atomic hydrogen is obtained by exploiting and controlling the corrugation of the layers. The proposal is based on density-functional simulations of hydrogen…

介观与纳米尺度物理 · 物理学 2011-01-07 Valentina Tozzini , Vittorio Pellegrini

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

The growing demand for efficient energy storage has driven the search for advanced anode materials for lithium- and sodium-ion batteries (LIBs and SIBs). In this context, we report the application of HOP-graphene (a 5-6-8-membered 2D carbon…

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…

材料科学 · 物理学 2025-01-22 Yasmine S. Al-Hamdani , Andrea Zen , Dario Alfé

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

Finding a suitable material for hydrogen storage at ambient atmospheric conditions is challenging for material scientists and chemists. In this work, using a first principles based cluster expansion approach, the hydrogen storage capacity…

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…

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

We report a first-principles study of hydrogen storage media consisting of calcium atoms and graphene-based nanostructures. We find that Ca atoms prefer to be individually adsorbed on the zigzag edge of graphene with a Ca-Ca distance of 10…

材料科学 · 物理学 2010-02-09 Hoonkyung Lee , Jisoon Ihm , Marvin L. Cohen , Steven G. Louie

We perform an extensive combinatorial search for optimal nanostructured hydrogen storage materials among various metal-decorated polymers using first-principles density-functional calculations. We take into account the zero-point vibration…

材料科学 · 物理学 2009-11-11 Hoonkyung Lee , Woon Ih Choi , Jisoon Ihm

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…

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

Developing novel protocols for hydrogen (H) loading is crucial for furthering the investigation of hydrides as potential high-temperature superconductors at lower pressures compared to recent discoveries. Ionic gating-induced protonation…

The market quest for fast-charging, safe, long-lasting and performant batteries drives the exploration of new energy storage materials, but also promotes fundamental investigations of materials already widely used. Presently, revamped…

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…

Since the current transportation sector is the largest consumer of oil, and subsequently responsible for major air pollutants, it is inevitable to use alternative renewable sources of energies for vehicular applications. The hydrogen energy…

原子与分子团簇 · 物理学 2016-07-26 Ravindra Shinde , Meenakshi Tayade