Investigation of graphene-based systems for hydrogen storage

Shiraz, Hamid Ghorbani; Tavakoli, Omid

doi:10.1016/j.rser.2017.02.052

Cited by 148 publications

(38 citation statements)

References 58 publications

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“…Graphane is structurally robust and has been predicted to exhibit a rather high thermal stability that makes possible its use in twodimensional electronics (Openov & Podlivaev 2010). However, for the same reasons, it can hardly be considered as a promising hydrogen storage material, unless it is properly functionalized (Zhou et al 2014, Shiraz & Tavakoli 2017. Its formation requires a perfect correlation between the sublattice position and the surface face, something which is somewhat at odds with the above discussed tendency to form "balanced" structures.…”

Section: Graphanementioning

confidence: 99%

Sticking of atomic hydrogen on graphene

Bonfanti¹,

Achilli²,

Martinazzo³

2018

J. Phys.: Condens. Matter

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Recent years have witnessed an ever growing interest in the interactions between hydrogen atoms and a graphene sheet. Largely motivated by the possibility of modulating the electric, optical and magnetic properties of graphene, a huge number of studies have appeared recently that added to and enlarged earlier investigations on graphite and other carbon materials. In this review we give a glimpse of the many facets of this adsorption process, as they emerged from these studies. The focus is on those issues that have been addressed in detail, under carefully controlled conditions, with an emphasis on the interplay between the adatom structures, their formation dynamics and the electric, magnetic and chemical properties of the carbon sheet.

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Section: Graphanementioning

confidence: 99%

Sticking of atomic hydrogen on graphene

Bonfanti¹,

Achilli²,

Martinazzo³

2018

J. Phys.: Condens. Matter

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“…It is computationally observed that multi-electron functional groups can improve hydrogen storage. 86…”

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confidence: 99%

Carbon‐based nanocomposites in solid‐state hydrogen storage technology: An overview

et al. 2020

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Hydrogen fuel is becoming a hot topic among the scientific community as an alternative energy source. Hydrogen is eco-friendly, renewable, and green. The synthesis and development of materials with great potential for hydrogen storage is still a challenge in research and needs to be addressed to store hydrogen economically and efficiently. Various solid-state materials have been fabricated for hydrogen energy storage; however, carbon-based nanocomposites have gained more attention because of its high surface area, low processing cost, and light weight nature. Carbon materials are easy to modify with various metals, metal oxides (MOs), and other organometallic frameworks because of the functional groups available on the surface and edges that increase the storage capacity of hydrogen. In addition, chemisorption is another way to enhance the hydrogen storage capacity of carbonbased nanocomposites. In this review, we discuss the success achieved thus far and the challenges that remain for the physical and chemical storage of hydrogen in various carbon-based nanocomposites. Various compositions of catalysts (eg, metal, MOs, alloy, metal organic frameworks) and carbon materials are designed for hydrogen storage. Superior energy storage in hybrids and composites as compared with pristine materials (catalysts or carbon nanotubes) is governed by the interaction, activation, and hydrogen adsorption/ absorption mechanism of materials in the reaction profile. (Nano)composites comprising carbon material with metals, MOs, or alloys are important in this field, not only because of their potential for hydrogen sorption but also their significant cyclic stability and high efficiency upon successive adsorptiondesorption cycles.

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“…The functionalization of graphene with heteroatoms is another approach aimed at increasing the sorption of hydrogen under normal conditions [13,14,17,[40][41][42][43]. This includes the addition of alkaline metal atoms (Li, Na) [44,45] and transition metals Ti, Ni, Pd, Pt to the graphene surface (so-called decoration) [16,46,47], the substitution of carbon atoms in graphene with B, S, N, P (doping) [48,49], and simultaneous decoration and doping [17,40,50,51]. Transition metal atoms on the graphene surface act as catalytic centers for the dissociative chemisorption of hydrogen.…”

Section: Nmmentioning

confidence: 99%

Graphene and Graphene-Like Materials for Hydrogen Energy

et al. 2020

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The review is devoted to current and promising areas of application of graphene and materials based on it for generating environmentally friendly hydrogen energy. Analysis of the results of theoretical and experimental studies of hydrogen accumulation in graphene materials confirms the possibility of creating on their basis systems for reversible hydrogen storage, which combine high capacity, stability, and the possibility of rapid hydrogen evolution under conditions acceptable for practical use. Recent advances in the development of chemically and heat-resistant graphene-based membrane materials make it possible to create new gas separation membranes that provide high permeability and selectivity and are promising for hydrogen purification in processes of its production from natural gas. The characteristics of polymer membranes that are currently used in industry for the most part can be significantly improved with small additions of graphene materials. The use of graphene-like materials as a support of nanoparticles or as functional additives in the composition of the electrocatalytic layer in polymer electrolyte membrane fuel cells makes it possible to improve their characteristics and to increase the activity and stability of the electrocatalyst in the reaction of oxygen evolution.

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Investigation of graphene-based systems for hydrogen storage

Cited by 148 publications

References 58 publications

Sticking of atomic hydrogen on graphene

Sticking of atomic hydrogen on graphene

Carbon‐based nanocomposites in solid‐state hydrogen storage technology: An overview

Graphene and Graphene-Like Materials for Hydrogen Energy

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