Sharukesh/my-BART-Hydrogen-Model
0.4B • Updated • 2 • 1
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!001 | Efficient storage technology (absorption and desorption) is the key to boom the application of hydrogen as energy storage media. Among the solid-state hydrogen storage materials, magnesium-based material exhibits many advantages and is considered one of the most promising materials. However, the disadvantages including... | Among the solid-state hydrogen storage materials, magnesium-based material exhibits many advantages and is considered one of the most promising materials. However, the disadvantages including poor hydrogen absorption, desorption kinetics and high operating temperature still need to be modified. | _ |
!002 | Developing safer and more efficient hydrogen storage technology is a pivotal step to realizing the hydrogen economy. Owing to the lightweight, high hydrogen storage density and abundant reserves, MgH2 has been widely studied as one of the most promising solid-state hydrogen storage materials. However, defects such as s... | Owing to the lightweight, high hydrogen storage density and abundant reserves, MgH2 has been widely studied as one of the most promising solid-state hydrogen storage materials. However, defects such as stable thermodynamics, sluggish kinetics and rapid capacity decay have seriously hindered its practical application. | _ |
!003 | MgH2, as one of the typical solid-state hydrogen storage materials, has attracted extensive attention. However, the slow kinetics and poor cycle stability limit its application. In this work, LiBH4 and YNi5 alloy were co-added as additives to MgH2 via ball milling, thereby realizing an excellent dehydrogenation perform... | MgH2, as one of the typical solid-state hydrogen storage materials, has attracted extensive attention. However, the slow kinetics and poor cycle stability limit its application. | _ |
!004 | MgH2 has been attracted extensive attention because of its superior hydrogen storage performance and good reversibility. Further improvement of its kinetics and thermodynamic performances is needed to achieve widespread application. This article investigated the hydrogen storage properties of the thermodynamic optimize... | MgH2 has been attracted extensive attention because of its superior hydrogen storage performance and good reversibility. Further improvement of its kinetics and thermodynamic performances is needed to achieve widespread application. | _ |
!005 | The design of catalysts with excellent catalytic activity plays an important role in the field of solid-state hydrogen storage of new energy sources. Herein, a novel hydrangea-like NiO@NiMoO4 composite catalyst was prepared through a facile hydrothermal reaction. Subsequently, NiO@NiMoO4 was doped into MgH2 by ball mil... | Meanwhile, after complete dehydrogenation, the composites can start to absorb hydrogen below 40 °C. After adding a small amount of biomass charcoal, the hydrogen storage capacity can even be maintained above 97%. | _ |
!006 | The 0.55LiBH4-0.45Mg(BH4)2 (LMBH) eutectic composite is promising for solid-state hydrogen storage, as it exhibits a high hydrogen capacity and a very low initial dehydrogenation temperature. However, its main hydrogen release steps still require higher temperatures. In the present study, few-layer Ti2C has been synthe... | However, its main hydrogen release steps still require higher temperatures. Compositing LMBH with varying amounts of Ti2C (10, 20, 30, and 40 wt%) results in low initial dehydrogenation temperatures (164–110 °C), fast desorption rates and high hydrogen capacities (7.5–10.5 wt%) at a low temperature of 260 °C. | _ |
!007 | Magnesium hydride is one of the most sought-after materials for solid state hydrogen storage due to its low cost and high gravimetric capacity (7.6 wt% hydrogen). However, high temperature of desorption (>350 °C) and slow kinetics limit its use for commercial on-board applications. In this work, accumulative roll bondi... | However, high temperature of desorption (>350 °C) and slow kinetics limit its use for commercial on-board applications. In this work, accumulative roll bonding (ARB) technique has been utilized to synthesise Mg–LaNi5–Mg2Ni-soot hybrid with enhanced hydrogen storage properties. | _ |
!008 | Herein, a novel approach by designing Schottky-structured CoNi nano-alloys were introduced. After compositing with MgH2, its initial hydrogen absorption started at a low temperature of 40 °C. At a temperature of 300 °C, 6.5 wt% of H2 was released in only 10 min. Furthermore, the kinetic analysis revealed a pivotal tran... | After compositing with MgH2, its initial hydrogen absorption started at a low temperature of 40 °C. It is noteworthy that the CoNi-CoO@rGO-modified MgH2 exhibited excellent cycling performance, retained an impressive hydrogen storage capacity of 97% after 20 cycles at 300 °C. | _ |
!009 | Despite the promise of TiFe-based alloys as low-cost solid-state hydrogen storage materials with mild operating conditions and reasonable hydrogen capacity, their initial hydrogenation process is difficult, hindering broad utilization. The effect of alloying element on the initial hydrogenation kinetics of TiFe alloys,... | At the same time, density functional theory calculations predicted exothermic formation of hydride nuclei when alloying with V or Cr, as well as a reduced nucleation barrier when alloying with Co or Ni. We propose that improvements in activation kinetics of TiFe with alloying arises from the combined effect of reduced ... | _ |
!010 | NaH and LiH are theoretically capable of storing hydrogen, but several challenges remain to be overcome before they can be widely used for hydrogen storage. In this study, LiH and NaH were ball-milled and the effect of surface area and hydrogen pressure on hydrogen storage capacity was investigated using the solid-stat... | This suggests structural changes with enhanced bond bending due to hydrogen. In contrast, LiH displayed a lower power density (0.025 Wcm−2) while maintaining its long-term performance. | _ |
!011 | The first principle of calculation is a computational technique based on quantum mechanics that may precisely determine the ground-state electronic structure and associated mechanical and thermodynamic characteristics of solid materials. This study explains the history of first-principles development, calculation techn... | The first principle of calculation is a computational technique based on quantum mechanics that may precisely determine the ground-state electronic structure and associated mechanical and thermodynamic characteristics of solid materials. This information is then used to compute the hypothetical new hydrogen storage mat... | _ |
!012 | Magnesium hydride is one of the most promising solid-state hydrogen storage materials for on-board application. Hydrogen desorption from MgH2 is accompanied by the formation of the Mg/MgH2 interfaces, which may play a key role in the further dehydrogenation process. In this work, first-principles calculations have been... | Magnesium hydride is one of the most promising solid-state hydrogen storage materials for on-board application. In terms of H mobility, hydrogen diffusion within the interface as well as into the Mg matrix is considered. | _ |
!013 | Hydrogen storage is a key link in hydrogen economy, where solid-state hydrogen storage is considered as the most promising approach because it can meet the requirement of high density and safety. Thereinto, magnesium-based materials (MgH2) are currently deemed as an attractive candidate due to the potentially high hydr... | Hydrogen storage is a key link in hydrogen economy, where solid-state hydrogen storage is considered as the most promising approach because it can meet the requirement of high density and safety. Thereinto, magnesium-based materials (MgH2) are currently deemed as an attractive candidate due to the potentially high hydr... | _ |
!014 | Given its significant gravimetric hydrogen capacity advantage, lithium alanate (LiAlH4) is regarded as a suitable material for solid-state hydrogen storage. Nevertheless, its outrageous decomposition temperature and slow sorption kinetics hinder its application as a solid-state hydrogen storage material. This research’... | Given its significant gravimetric hydrogen capacity advantage, lithium alanate (LiAlH4) is regarded as a suitable material for solid-state hydrogen storage. After milling LiAlH4 with 10 wt% TiSiO4, the activation energies were reduced to 68 and 77 kJ/mol, respectively. | _ |
!015 | The development of alloys that are hydrogenated and dehydrogenated quickly and actively at room temperature is a challenge for the safe and compact storage of hydrogen. In this study, a new high-entropy alloy (HEA) with AB-type configuration (A: hydride-forming elements, B: inert-to-hydrogen elements) was designed by c... | In this study, a new high-entropy alloy (HEA) with AB-type configuration (A: hydride-forming elements, B: inert-to-hydrogen elements) was designed by considering valence electron concentration, electronegativity difference and atomic-size mismatch of elements. The alloy absorbed 1.6 wt% of hydrogen at room temperature ... | _ |
!016 | The metal-hydrogen interaction and its equilibrium conditions allow for distinct properties in metal hydrides (MHs). Based on these properties, MHs have been found to enable a range of novel technologies from thermal compression to sensors, and catalysis. Ni-MH batteries are currently the main application of hydrides i... | The metal-hydrogen interaction and its equilibrium conditions allow for distinct properties in metal hydrides (MHs). Based on their unique thermodynamic properties, MHs are also the basis of new concepts in hydrogen compression, heat pumps, cooling systems, and thermal energy storage. | _ |
!017 | Solid state hydrogen storage addresses the problems of high pressurization in compressed gaseous state and energy intensive liquefaction in liquid state. Clathrate structures have shown promising results as host material for storing hydrogen as hydrate. The effect of different promoters on improving storage capabilitie... | Hydrogen adsorption kinetics of four different clathrates using promoters Tetrahydrofuran, Tetrahydropyran, 1,3 Dioxolane and 2,3 Dihydrofuran with Multiwall Carbon nanotube as substrate was carried out. It was observed that CNT shows synergitic effect in the hydrogen adsorption with fast kinetics (less than 90 min). | _ |
!018 | The increasing energy demand and the worldwide energy crisis must be met in large part via the sustainable growth of hydrogen energy, since this economy is relied upon to provide clean and carbon-free energy carriers. It is anticipated that the growing demand for light and heavy fuel cell cars would stimulate the devel... | SiNSs have gained prominence as a leading candidate for solid-state hydrogen storage systems. It demonstrates how catalysts are critical to fixing the current reversibility and desorption problems with hydrogen energy storage. | _ |
!019 | Hydrogen plays a crucial role in the future energy landscape owing to its high energy density. However, finding an ideal storage material is the key challenge to the success of the hydrogen economy. Various solid-state hydrogen storage materials, such as metal hydrides, have been developed to realize safe, effective, a... | Using scaffolds made from porous materials like silica to confine the metal hydrides is necessary for better and improved hydrogen storage. Therefore, this article reviews porous silica-based scaffolds as an ideal material for improved hydrogen storage. | _ |
!020 | This study describes the hydrogen storage performance of NaAlH4 with the addition of CuFe2O4 additive. The results were compared with undoped NaAlH4. For the first and second steps of dehydrogenation, the CuFe2O4-doped NaAlH4 liberated hydrogen at 150 °C and 220 °C, whereas as-milled NaAlH4 released hydrogen at 190 °C ... | The desorption kinetic analysis unveiled that the doped system liberated around 1.5 and 4.4 wt% hydrogen within 120 min at 150 and 200 °C, respectively. Meanwhile, the undoped NaAlH4 only desorbed 0.5 and 3.6 wt% hydrogen, respectively, under identical conditions. | _ |
!021 | The growing demand for energy and the need to reduce the carbon footprint has made green hydrogen a promising alternative to traditional fossil fuels. Green hydrogen is produced using renewable energy sources, making it a sustainable and environmentally friendly energy source. Solid-state hydrogen storage aims to store... | Borophene is a two-dimensional material that offers potential as an intermediate hydrogen storage material due to its moderate binding energy and reversible behavior. Its unique geometry and electronic properties also allow for higher hydrogen adsorption capacity than metal-based complex hydrides, surpassing the goals ... | _ |
!022 | Magnesium hydride is considered as a promising solid-state hydrogen storage material due to its high hydrogen capacity. How to improve hydrogen desorption kinetics of MgH2 is one of key issues for its practical applications. In this study, we synthesize a Mg–Ni–TiS2 composite through a solution-based synthetic strategy... | As a result, the activation energy for hydrogen desorption decreases to 79.4 kJ mol−1. This work introduces a feasible approach to develop Mg-based hydrogen storage materials. | _ |
!023 | For hydrogen to be successfully used as an energy carrier in a new renewable energy driven economy, more efficient hydrogen storage technologies have to be found. Solid-state hydrogen storage in complex metal hydrides, such as sodium alanate (NaAlH4), is a well-researched candidate for this application. A series of NaA... | Solid-state hydrogen storage in complex metal hydrides, such as sodium alanate (NaAlH4), is a well-researched candidate for this application. A series of NaAlH4/mesoporous carbon black composites, with high NaAlH4 content (50–90 wt%), prepared via ball milling have demonstrated significantly lower dehydrogenation tempe... | _ |
!024 | Hypothesis: With increased development and electricity generation, great care to energy storage systems is crucial to overcome the discontinuity in the renewable production. Hydrogen is an ideal energy carrier for near future mobility, like automotive applications. Solid-state hydrogen storage materials including nanom... | Findings: The literature review illustrates that it is crucial to develop new materials with large-surface area, homogeneous texture, active-conductive profiles, large oxygen vacancies and low-cost. It is hoped that these observations pave the potential exploration directions to dominate imminent challenges in solid-st... | _ |
!025 | As global energy consumption is rapidly climbing to maximum, fossil fuel resources face depletion on a global scale. The rapid depletion and higher energy demand consequences an escalation of energy prices originating from conventional sources as well as the release of greenhouse gases into the environment. Hydrogen as... | Beyond having these advantages hydrogen has the benefits of energy security and can be produced locally. However, this technology is not yet mature enough because it doesn't fulfil the requirements to be implemented for industrial applications. | _ |
!026 | Exceptionally porous crystals with ultrahigh adsorption capacities, metal–organic frameworks (MOFs), have received recognition as leading candidates for the promotion of solid-state hydrogen storage. MOFs are compelling adsorbents given their impressive uptake under stringent cryogenic and high-pressure conditions for ... | Exceptionally porous crystals with ultrahigh adsorption capacities, metal–organic frameworks (MOFs), have received recognition as leading candidates for the promotion of solid-state hydrogen storage. Strategically harnessing the tunability of MOFs could unlock vast, untapped potential for enabling high-density, reversi... | _ |
!027 | Hydrogen is regarded as one of the most promising energy sources of the future, due to its low-cost, zero-pollution, and high-heat value. Nevertheless, traditional methods of storing hydrogen are commonly accompanied by the risk of leaks and explosions, so how to store and transport hydrogen safely and efficiently is a... | Solid-state hydrogen storage is the most attractive way to store hydrogen in nanomaterials by chemical or physical adsorption, which has the advantages of high energy density and good safety. Here, a rational Ni-Zn bimetallic MOF has been constructed by a straightforward synthetic technique, in which the Zn atom was pa... | _ |
!028 | Hydrazine borane (N2H4BH3) has attracted considerable interest as a promising solid-state hydrogen storage material owing to its high hydrogen content and easy preparation. In this work, pressure-induced phase transitions of N2H4BH3 were investigated using a combination of vibrational spectroscopy, X-ray diffraction, a... | In this work, pressure-induced phase transitions of N2H4BH3 were investigated using a combination of vibrational spectroscopy, X-ray diffraction, and density functional theory (DFT) up to 30 GPa. Our findings provide new insight into the structures and bonding properties of N2H4BH3 that are important for hydrogen stora... | _ |
!029 | Magnesium hydride has great potential for solid-state hydrogen storage. However, high dehydrogenation temperature and sluggish hydrogen absorption and desorption kinetics restrict its on-board automotive application. Hydrogen desorption from MgH2 is accompanied by the formation of Mg/MgH2 interfaces, which may play a k... | It is found that Ti interface doping can slightly increase the interfacial stability as revealed by the work of adhesion, interface energy and electronic structure. These theoretical observations for hydrogen diffusion behavior at the interface are further validated by fitting the isothermal dehydrogenation curves of M... | _ |
!030 | MgH2, a solid-state hydrogen storage material with high storage capacity, is facing the obstacles of high thermodynamic stability and slow reaction kinetics. Herein, different Vanadium (V) based catalysts (V2O5, Fe–V and V–Ni oxides) were synthesized by a hydrothermal method and ball milled with MgH2 to modify its hydr... | The activation energy for hydrogen uptake of MgH2 was reduced from 76.5 ± 3.4 kJ/mol to 41.2 ± 4.7 kJ/mol. Our work here proves that elements substitution is a feasible way to tune the catalytic effect of oxides and may shed light on designing catalysts with higher activation in the future. | _ |
!031 | In the burgeoning field of hydrogen energy, compositionally complex alloys promise unprecedented solid-state hydrogen storage applications. However, compositionally complex alloys are facing one main challenge: reducing alloy density and increasing hydrogen storage capacity. Here, we report TiMgLi-based compositionally... | However, compositionally complex alloys are facing one main challenge: reducing alloy density and increasing hydrogen storage capacity. Here, we report TiMgLi-based compositionally complex alloys with ultralow alloy density and significant room-temperature hydrogen storage capacity. | _ |
!032 | Solid-state hydrogen storage is a promising roadmap for the safe and efficient utilization of hydrogen energy due to its moderate operating environment and high hydrogen storage density. However, as a representative solid-state hydrogen storage material, magnesium hydride (MgH2) is significantly limited in the commerci... | To further address this dilemma, we designed a novel γ-graphyne based single-atom catalysts including eight 3d transition metals for promoting the dehydrogenation process of MgH2. Finally, we found the relationship between energy barrier with electronic structure of single-atom catalyst, such as electrostatic potential... | _ |
!033 | Researchers have focused on nanostructure materials in the last decade, which can play an essential role in storing hydrogen gas. Hydrogen is a future source of energy, having handling and storage challenges. In the new generation, solid-state materials have been used to store hydrogen gas as a metal hydride. Based on ... | In the new generation, solid-state materials have been used to store hydrogen gas as a metal hydride. The critical factors in improving hydrogenation properties are decreasing particle size (nano-scale) and adding various catalysts. | _ |
!034 | In this study, structural, mechanical, electronic, dynamic, thermodynamic and hydrogen storage properties of MgX3H8 (X = Sc, Ti, Zr) were investigated by means of density functional theory which was not studied/reported experimentally or theoretically in the previous literature. This is the first thorough study about v... | In this study, structural, mechanical, electronic, dynamic, thermodynamic and hydrogen storage properties of MgX3H8 (X = Sc, Ti, Zr) were investigated by means of density functional theory which was not studied/reported experimentally or theoretically in the previous literature. This is the first thorough study about v... | _ |
!035 | Solid-state hydrogen storage materials are safe and lightweight hydrogen carriers. Among the various solid-state hydrogen carriers, hydrogen boride (HB) sheets possess a high gravimetric hydrogen capacity (8.5 wt%). However, heating at high temperatures and/or strong ultraviolet illumination is required to release hydr... | However, heating at high temperatures and/or strong ultraviolet illumination is required to release hydrogen (H2) from HB sheets. The H2 release from HB sheets is driven by a small bias; thus, they can be applied as safe and lightweight hydrogen carriers with economical hydrogen release properties. | _ |
!036 | Lithium is a popular lightweight material in the field of energy storage because of its hydrogen-binding properties and electrochemical advantages. The high hydrogen uptake capacity (∼12.6 wt%) of lithium hydride (LiH) is limited by the major thermodynamic constraint of requiring a higher temperature (∼700 °C) for deso... | This study involves modifying the hydrogen storage properties and thermodynamic characteristics of LiH through mechanical alloying with porous silicon (PS). Pressure composition isotherms measure the reversible hydrogen storage capacity (∼3.39 wt%) of LiH-PS alloy at different temperatures. | _ |
!037 | This investigation explores the solid-state hydrogen storage properties of two series of hydrogen storage alloys: (Ti0.85Zr0.15)xMn0.8CrFe0.2 (x = 1.00∼1.10) and (Ti0.85Zr0.15)1.02MnyCr1.8-yFe0.2 (y = 1.00∼0.40) alloys. These alloys exhibit a single C14-Laves phase structure and demonstrate promising capabilities for s... | These alloys exhibit a single C14-Laves phase structure and demonstrate promising capabilities for solid-state hydrogen storage. It establishes a foundation for further research and development in this pivotal field of hydrogen storage. | _ |
!038 | Hydrogen storage and transportation technology is the key part that affects the large-scale and commercial application of hydrogen energy, and it is also an important factor that influences the future development pattern of the world clean energy industry. Compared with several current hydrogen storage and transportati... | Compared with several current hydrogen storage and transportation technologies, solid-state hydrogen storage technology plays an important role in the field of hydrogen storage and transportation with its high quality density and high safety. Starting from the principles of hydrogen storage based on chemical adsorption... | _ |
!039 | Solid-state hydrogen storage is gradually becoming an effective way for the large-scale storage and transportation of hydrogen energy. Magnesium hydride (MgH2) has become a promising candidate among solid-state hydrogen storage materials due to its high hydrogen storage density, low cost and good safety. However, ambig... | We constructed heterogeneous interface structures between single-atom catalysts and MgH2 surface including nine kinds of transition metal atoms. The interaction between single-atom catalysts and MgH2 surface has been well explored through bond length, electron localization function, charge density difference and crysta... | _ |
!040 | In the process of building a new power system with new energy sources as the mainstay, wind power and photovoltaic energy enter the multiplication stage with randomness and uncertainty, and the foundation and support role of large-scale long-time energy storage is highlighted. Considering the advantages of hydrogen ene... | Firstly, power supply and demand production simulations were carried out based on the characteristics of new energy generation in China. Finally, by analyzing the development status and economy of the above three types of hydrogen storage technologies, and based on the geographical characteristics and resource endowmen... | _ |
!041 | Recently, high entropy alloys (HEAs) with body-centred cubic (BCC) single phase structures have attracted wide attention in many fields including hydrogen storage, due to their unique structural characteristics and excellent performance. Its novel design concept provides more possibilities for the investigation of adva... | Recently, high entropy alloys (HEAs) with body-centred cubic (BCC) single phase structures have attracted wide attention in many fields including hydrogen storage, due to their unique structural characteristics and excellent performance. Its novel design concept provides more possibilities for the investigation of adva... | _ |
!042 | Sodium amide (NaNH2) in its α form is a common compound that has recently seen renewed interest, mainly for its potential use as a solid-state hydrogen storage material. In this work, we present a synergic theoretical and experimental characterization of the compound, including novel measured and simulated vibrational ... | Sodium amide (NaNH2) in its α form is a common compound that has recently seen renewed interest, mainly for its potential use as a solid-state hydrogen storage material. We put forward the hypothesis of a low-temperature symmetry breaking of the structure to space group C2/c, while space group Fddd is commonly reported... | _ |
!043 | Hydrogen energy has attracted a lot of interest as a renewable and sustainable energy source, but there are a few technical impediments associated with its storage. Solid-state hydrogen storage is a catching-on and intensively researched alternative to other methods for storing hydrogen. Perovskite hydrides exhibit the... | Perovskite hydrides exhibit the ability to store solid-state hydrogen safely and effectively. In short, this work suggests the applicability of LiCaH3 hydrides for effective hydrogen storage. | _ |
!044 | The high hydrogen storage capacity (10.5 wt.%) and release of hydrogen at a moderate temperature make LiAlH4 an appealing material for hydrogen storage. However, LiAlH4 suffers from slow kinetics and irreversibility. Hence, LaCoO3 was selected as an additive to defeat the slow kinetics problems of LiAlH4. For the irrev... | Hence, LaCoO3 was selected as an additive to defeat the slow kinetics problems of LiAlH4. For the irreversibility part, it still required high pressure to absorb hydrogen. | _ |
!045 | Lithium aluminum hydride (LiAlH4) with a high hydrogen capacity of 10.5 wt% has become one of the most promising solid-state hydrogen storage materials for onboard hydrogen fuel cell systems. However, neither dehydrogenation kinetics nor cycling behaviors of LiAlH4 can fulfill the requirements of practical application.... | Here, we prepared the Ni/C nanoparticles anchored on large-size Ti3C2Tx nanosheets, firstly introduced into LiAlH4 to investigate its catalytic effect. Dehydrogenation experiments demonstrate that LiAlH4 doped with 7 wt% Ni/C@Ti3C2 starts to release hydrogen at 56.9 °C. | _ |
!046 | Solid-state storage of hydrogen molecules in carbon-based light metal single-atom materials is promising to achieve both high hydrogen storage capacity and uptake rate, but there is a lack of fundamental understanding and design principles to guide the rational design of the materials. Here, a theoretical relationship ... | Solid-state storage of hydrogen molecules in carbon-based light metal single-atom materials is promising to achieve both high hydrogen storage capacity and uptake rate, but there is a lack of fundamental understanding and design principles to guide the rational design of the materials. Here, a theoretical relationship ... | _ |
!047 | We present a machine learning (ML) framework HEART (HydrogEn storAge propeRty predicTor) for identifying suitable families of metal alloys for hydrogen storage under ambient conditions. Our framework includes two ML models that predict the hydrogen storage capacity (HYST) and the enthalpy of hydride formation (THOR) of... | These models are further employed to predict H2wt% and ΔH for ∼ 6.4 million multi-component metal alloys. From the 6.4 million compositions, we have reported new alloy families having potential for hydrogen storage at room temperature. | _ |
!048 | Magnesium hydride (MgH2) is the most prominent carrier for storing hydrogen in solid-state mode. However, their slow kinetics and high thermodynamics become an obstacle in hydrogen storage. The present study elaborates on the catalytic effect of graphene (Gr) and vanadium disulfide (VS2) on MgH2 to enhance its hydrogen... | Magnesium hydride (MgH2) is the most prominent carrier for storing hydrogen in solid-state mode. Furthermore, MgH2 catalyzed by VS2 also persists in the excellent cyclic stability and reversibility up to 25 cycles. | _ |
!049 | The solid-state hydrogen storage in metal hydride (MH) is safer and energy efficient than the gaseous and liquid storage methods. The absorption of hydrogen in MH is highly exothermic. Hence, a good heat management system is required to increase the charging rate. The phase change material (PCM) can be integrated into ... | Hence, a good heat management system is required to increase the charging rate. An iterative approach is used to determine the required amount of PCM. | _ |
!050 | Complex aluminum hydrides with high hydrogen capacity are among the most promising solid-state hydrogen storage materials. The present study determines the thermal stability, hydrogen dissociation energy, and electronic structures of alkali metal aluminum hydrides, MAlH4 (M = Li, Na, K, and Cs), using first-principles ... | The main reason for this finding is that alkali alanate MAlH4 at higher cation electronegativity is thermally less stable and held by weaker Al-H covalent and H-H ionic interactions. Our work contributes to the design of alkali metal aluminum hydrides with a favorable dehydrogenation, which is useful for on-board hydro... | _ |
!051 | One of the ideal energy carriers for the future is hydrogen. It has a high energy density and is a source of clean energy. A crucial step in the development of the hydrogen economy is the safety and affordable storage of a large amount of hydrogen. Thus, owing to its large storage capacity, good reversibility, and low ... | Thus, owing to its large storage capacity, good reversibility, and low cost, Magnesium hydride (MgH2) was taken into consideration. Besides this, the apparent activation energy for MgH2–10 wt.% LaCoO3 was greatly reduced when compared with that of milled MgH2. | _ |
!052 | Magnesium hydride (MgH2) attracts wide interests as a promising hydrogen energy carrier, but its commercial application is hampered by the high operating temperatures and slow dehydrogenation kinetics. Herein, CrMnFeCoNi and CrFeCoNi high-entropy alloys (HEAs) were adopted to boost the hydrogen storage performance of M... | Magnesium hydride (MgH2) attracts wide interests as a promising hydrogen energy carrier, but its commercial application is hampered by the high operating temperatures and slow dehydrogenation kinetics. In addition, 97% hydrogen storage volume could be maintained after 20 cycles at 300 °C, showing a good cycling perform... | _ |
!053 | Currently, magnesium hydride (MgH2) as a solid-state hydrogen storage material has become the subject of major research owing to its good reversibility, large hydrogen storage capacity (7.6 wt%) and affordability. However, MgH2 has a high decomposition temperature (>400 °C) and slow desorption and absorption kinetics. ... | Currently, magnesium hydride (MgH2) as a solid-state hydrogen storage material has become the subject of major research owing to its good reversibility, large hydrogen storage capacity (7.6 wt%) and affordability. In this work, BaMnO3 was synthesized using the solid-state method and was used as an additive to overcome ... | _ |
!054 | The complex hydride NaAlH4 remains the archetype hydrogen storage system. In this paper, we have explored the catalytic action of Al65Cu20Fe15 quasicrystal (QC) on the de/re-hydrogenation study of NaAlH4. The leached ball-milled Al65Cu20Fe15 (LBMACF) catalyzed NaAlH4 sample has shown a lower hydrogen desorption tempera... | The leached ball-milled Al65Cu20Fe15 (LBMACF) catalyzed NaAlH4 sample has shown a lower hydrogen desorption temperature (140 °C) than other catalyzed and uncatalyzed NaAlH4 samples. The catalytic mechanism and catalytic effect of Al–Cu–Fe on the NaAlH4 have been discussed using structural, microstructural analysis, in-... | _ |
!055 | This study presents an experimental investigation conducted on an annular porous metal hydride reactor equipped with radial fins. The reactor was filled with 9 kg of La0.7Ce0.1Ca0.3Ni5, and water was considered as heat transfer fluid. The absorption characteristics were studied under different supply pressures (5–20 ba... | The absorption characteristics were studied under different supply pressures (5–20 bar) and desorption characteristics under different inlet temperatures of heat transfer fluid (30–50 °C). Further, the effect of pre-sensible heating on desorption performance and energy efficiency was analyzed. | _ |
!056 | Hydrogen energy is expected to be an “ideal fuel” in the era of decarbonization. The discovery, development, and modification of high-performance hydrogen storage materials are the keys to the future development of solid-state hydrogen storage and hydrogen energy utilization. Magnesium hydride (MgH2), with its high hyd... | Magnesium hydride (MgH2), with its high hydrogen storage capacity, abundant natural reserves, and environmental friendliness, has been extensively researched. With substantial efforts, great achievements have been achieved, such as lower absorption/desorption temperatures and better cycling stability. | _ |
!057 | Solid-state hydrogen storage in various metal hydrides is among the most promising and clean way of storing energy, however, some problems, such as sluggish kinetics and high dehydrogenation temperature should be dealt with. In the present paper the advances of severe plastic deformation on the hydrogenation performanc... | Solid-state hydrogen storage in various metal hydrides is among the most promising and clean way of storing energy, however, some problems, such as sluggish kinetics and high dehydrogenation temperature should be dealt with. These plastically deformed materials exhibit not only better H-sorption properties than their u... | _ |
!058 | Sustainable development of hydrogen energy is a prime concern to address the rising energy demand and the global energy problem since the hydrogen economy is reliable for clean and carbon-free energy carriers. Despite well-established commercial sector technologies, boil-off losses, explosive nature, and leakage risk s... | The rising popularity of light and heavy fuel cell vehicles is projected to promote the advancement of onboard solid-state hydrogen technology. Different popular desorption techniques considering the pore dimensions are discussed. | _ |
!059 | The lattice distortion effect and cocktail effect of high-entropy oxides (HEOs) will dominate the catalytic effect of the materials, in order to study the influence of the constituent elements of HEOs on the lattice distortion effect and cocktail effect, through elemental manipulation of Cr, Cu, and La, high entropy ox... | Furthermore, MgH2+10wt% Cr1:1 was capable of absorbing hydrogen at ambient temperature and the composite could uptake 6 wt% H2 within 8 min at the temperature of 150 °C. Meanwhile, microstructure analysis revealed that the active sites with numerous heterogeneous structures were uniformly dispersed on surfaces, exhibit... | _ |
!060 | The quadrupole coupling constant CQ and the asymmetry parameter η have been determined for two complex aluminium hydrides from 27Al NMR spectra recorded for stationary samples by using the Solomon echo sequence. The thus obtained data for KAlH4 (CQ=(1.30±0.02) MHz, η=(0.64±0.02)) and NaAlH4 (CQ=(3.11±0.02) MHz, η<0.01)... | The accuracy with which these parameters can be determined from static spectra turned out to be at least as good as via the MAS approach. The experimentally determined parameters (δiso, CQ and η) are compared with those obtained from DFT-GIPAW (density functional theory – gauge-including projected augmented wave) calcu... | _ |
!061 | Research on renewable energy and energy storage systems has been quite active as a result of the upcoming global challenge in both the energy and environmental domains. As a kind of clean energy with water as the only post-combustion product, hydrogen energy has been proposed as possible next-generation energy after de... | Magnesium-based (Mg-based) solid-state hydrogen storage materials are promising due to their high energy storage densities, and research related to this field has skyrocketed in recent years. Finally, applying Mg-based hydrogen fuel cells in new energy vehicles is promising. | _ |
!062 | High thermal stability and sluggish absorption/desorption kinetics are still important limitations for using magnesium hydride (MgH2) as a solid-state hydrogen storage medium. One of the most effective solutions in improving hydrogen storage properties of MgH2 is to introduce a suitable catalyst. Herein, a novel nanopa... | High thermal stability and sluggish absorption/desorption kinetics are still important limitations for using magnesium hydride (MgH2) as a solid-state hydrogen storage medium. The dehydrided sample rapidly absorbs ∼5.5 wt % H2 when operating at 150 °C for 8 min. | _ |
!063 | Although MgH2 is widely regarded as one of the most promising solid-state hydrogen storage materials, the high operating temperature and sluggish kinetics of hydrogenation and dehydrogenation are major challenges for its practical application. Herein, V6O13 nanobelts with a thickness of 11 nm are fabricated to promote ... | Although MgH2 is widely regarded as one of the most promising solid-state hydrogen storage materials, the high operating temperature and sluggish kinetics of hydrogenation and dehydrogenation are major challenges for its practical application. Induced by the catalysis of metallic V, which results in weaker structural s... | _ |
!064 | AB5 type hydrogen storage alloys have been widely used in Ni-MH batteries due to their high electrochemical capacity, excellent rate performance, and low pollution. However, the high activation difficulty limited their development in the solid-state hydrogen storage field. Mechanical alloying to synthesize composites i... | AB5 type hydrogen storage alloys have been widely used in Ni-MH batteries due to their high electrochemical capacity, excellent rate performance, and low pollution. This will facilitate the application of AB5 type hydrogen storage alloys. | _ |
!065 | Lithium alanate (LiAlH4) is one of the most preferred materials for solid-state hydrogen storage materials owing to its relatively high hydrogen capacity (10.5 wt%). However, its high decomposition temperature and sluggish desorption kinetic restrict its potential application as a hydrogen storage medium for on-board h... | To overcome these problems, the impacts of Ni0.6Zn0.4O synthesized via a solid-state method on the desorption properties of LiAlH4 have been examined in this study. It was found that after the introduction of 10 wt% of Ni0.6Zn0.4O to LiAlH4, hydrogen started to release at 124 °C and 170 °C for the first two stages, res... | _ |
!066 | Magnesium hydride (MgH2) is the mostly used material for solid-state hydrogen storage. However, their slow kinetics and highly unfavorable thermodynamics make them unsuitable for the practical applications. The current study describes the unusual catalytic action of a new class of catalyst, a high-entropy alloy (HEA) o... | Magnesium hydride (MgH2) is the mostly used material for solid-state hydrogen storage. However, their slow kinetics and highly unfavorable thermodynamics make them unsuitable for the practical applications. | _ |
!067 | Ammonia borane (AB) has been extensively studied as a solid-state hydrogen storage material. On the other hand, its reactivity with CO2 is still unclear, especially in the solid state. By carefully controlling the CO2 pressure and temperature, AB efficiently reduces a large amount of CO2 without solvent or catalyst. 40... | By carefully controlling the CO2 pressure and temperature, AB efficiently reduces a large amount of CO2 without solvent or catalyst. Aldehyde is then transferred from B to N, yielding formamide as the main final product. | _ |
!068 | Over the last few decades, hydrogen fuel has been considered to be a major alternative source of renewable energy due to increasing environmental pollution and the depletion of nonrenewable energy. The need to efficiently produce and store hydrogen, therefore, has necessitated the development of several technologies an... | Doping MgH2 with nanoscale materials can lower the delivery temperature and bring it nearer to commercial applications. This review article, therefore, provides explicit insights into MXenes, their recent applications as potential materials for storing hydrogen, and as functional additives for enhancing the hydrogen re... | _ |
!069 | Solid-state hydrogen storage materials have been considered as one of the most promising hydrogen storage methods due to the advantages of high volumetric density, flexible transportation, good safety, etc. The development of hydrides with reversible hydrogen capability at low temperature (<80 ℃) is of great significan... | Solid-state hydrogen storage materials have been considered as one of the most promising hydrogen storage methods due to the advantages of high volumetric density, flexible transportation, good safety, etc. This paper not only systematically reviews the research progress of transition metal alanates, including the prep... | _ |
!070 | Hydrogen energy is regarded as the clean energy with the most development potential. In order to realize the large-scale application of hydrogen energy, the problem of hydrogen storage must be solved. At present, there are three main ways of hydrogen storage, namely compressed hydrogen storage, liquid hydrogen storage,... | It has the advantages of good safety and high volumetric hydrogen storage density. However, in order to develop solid-state hydrogen storage technology, we must find and develop high-performance hydrogen storage materials, which have become a top priority. | _ |
!071 | This work investigates the graphitic carbon nitride (g-C3N4) and g-C3N4/CoMn2O4 nanocomposites as potential materials for solid-state hydrogen storage applications. Initially, the CoMn2O4 was prepared by facile hydrothermal technique and g-C3N4 was synthesized via a one-step calcination process. The g-C3N4/CoMn2O4 comp... | This work investigates the graphitic carbon nitride (g-C3N4) and g-C3N4/CoMn2O4 nanocomposites as potential materials for solid-state hydrogen storage applications. Hydrogenation studies were carried out at 150 °C for 30 min under 5 and 10 bar pressures. | _ |
!072 | This study emphasizes the catalytic function of TiF3 on hydrogen storage properties and the reaction mechanism of the MgH2-Na3AlH6-LiBH4 produced by employing the ball-milling technique, which has a molar ratio of 1:1:4. It discovered that the mixture of Na3AlH6 and LiBH4 reacted through a metathesis reaction and trans... | MgH2-Li3AlH6-NaBH4 destabilized system with TiF3 catalyst has displayed four decomposition tiers throughout the heating procedure. TiF3's considerable catalytic performance is ascribed to the in-situ production of Al[sbnd]Ti and Al[sbnd]F phases during the dehydrogenation process of TiF3 and Li3AlH6. | _ |
!073 | Although Mg-based hydrides are extensively considered as a prospective material for solid-state hydrogen storage and clean energy carriers, their high operating temperature and slow kinetics are the main challenges for practical application. Here, a Mg–Ni based hydride, Mg2NiH4 nanoparticles (∼100 nm), with dual modifi... | Although Mg-based hydrides are extensively considered as a prospective material for solid-state hydrogen storage and clean energy carriers, their high operating temperature and slow kinetics are the main challenges for practical application. This research is believed to provide new insights for optimizing the kinetic p... | _ |
!074 | For solid-state hydrogen storage, Mg(BH4)2 has long been recognized as a promising material. However, its higher thermal stability is distant from conditions for practical application. Herein, it is effectively established that VF4 nanoparticles anchored on 2D Mxene Ti3C2 (VF4@Ti3C2) have efficiently catalytic effects ... | For solid-state hydrogen storage, Mg(BH4)2 has long been recognized as a promising material. Herein, it is effectively established that VF4 nanoparticles anchored on 2D Mxene Ti3C2 (VF4@Ti3C2) have efficiently catalytic effects towards the hydrogen storage process of Mg(BH4)2. | _ |
!075 | As an ideal material for solid-state hydrogen storage, magnesium hydride (MgH2) has attracted enormous attention due to its cost-effectiveness, abundant resources, and outstanding reversibility. However, the high thermodynamics and poor kinetics of MgH2 still hinder its practical application. In this work, a simple sti... | As an ideal material for solid-state hydrogen storage, magnesium hydride (MgH2) has attracted enormous attention due to its cost-effectiveness, abundant resources, and outstanding reversibility. However, the high thermodynamics and poor kinetics of MgH2 still hinder its practical application. | _ |
!076 | Vanadium-based alloys are considered to be one of the most promising hydrogen storage materials due to their high hydrogen storage capacity under ambient conditions. However, their complex activation at high temperature and poor stability pose serious challenges for large-scale applications. In this work, a series of T... | In this work, a series of TiCr3V16Cex (x = 0, 0.1, 0.2, 0.4, 1) hydrogen storage alloys were developed with different Ce contents using arc melting. The Ce-doped BCC alloy developed in this work provides a new route to achieve high hydrogen storage performance under mild conditions. | _ |
!077 | Hydrogen-based economy has a great potential for addressing the world's environmental concerns by using hydrogen as its future energy carrier. Hydrogen can be stored in gaseous, liquid and solid-state form, but among all solid-state hydrogen storage materials (metal hydrides) have the highest energy density. However, h... | Hydrogen-based economy has a great potential for addressing the world's environmental concerns by using hydrogen as its future energy carrier. To improve the hydrogen storage kinetics, effects of functionalized catalysts/dopants on metal atoms have been extensively studied. | _ |
!078 | Solid-state hydrogen storage is the best choice for balancing economy and safety among various hydrogen storage technologies, and hydrogen storage in the secondary phase might be a promising solid-state hydrogen storage scheme. In the current study, to unmask its physical mechanisms and details, a thermodynamically con... | Solid-state hydrogen storage is the best choice for balancing economy and safety among various hydrogen storage technologies, and hydrogen storage in the secondary phase might be a promising solid-state hydrogen storage scheme. In the current study, to unmask its physical mechanisms and details, a thermodynamically con... | _ |
!079 | The ability of high-entropy alloys (HEAs) for hydrogen storage is a rather new topic in the hydrogen community. HEAs with the C14 Laves phase have shown a high potential to reversibly store hydrogen at room temperature, but most of these alloys require a high-temperature activation treatment. This study explores the ro... | It is suggested that interphase boundaries not only provide pathways for easy hydrogen transport and activation of HEAs at room temperature but also act as active sites for heterogeneous nucleation of hydride. This study introduces interphase-boundary generation as an effective strategy to address the activation drawba... | _ |
!080 | Solid-state hydrogen storage is crucial for the widespread applications of hydrogen energy. It is a grand challenge to find appropriate materials that provide high hydrogen density and ambient temperature stability. Herein, we investigated the potential of Ti-decorated Irida-Graphene, a promising effective hydrogen sto... | It is a grand challenge to find appropriate materials that provide high hydrogen density and ambient temperature stability. Binding energy analysis reveals that a single Ti atom in the primitive unit-cell of Ti-decorated Irida-Graphene is capable to bind up with 5H2 molecules and the average adsorption energy was −0.41... | _ |
!081 | The catalytic effect of FeCoNiCrMo high entropy alloy nanosheets on the hydrogen storage performance of magnesium hydride (MgH2) was investigated for the first time in this paper. Experimental results demonstrated that 9wt% FeCoNiCrMo doped MgH2 started to de-hydrogenate at 200°C and discharged up to 5.89wt% hydrogen w... | Moreover, the composite’s hydrogen capacity dropped only 0.28wt% after 20 cycles, demonstrating remarkable cycling stability. Besides, the FeCoNiCrMo nanosheets had close contact with MgH2, providing numerous non-homogeneous activation sites and diffusion channels for the rapid transfer of hydrogen, thus obtaining a su... | _ |
!082 | Hydrogen-based energy systems offer potential solutions for replacing fossil fuels in the future. However, the practical utilization of hydrogen energy depends partly on safe and efficient hydrogen storage techniques. The development of hydrogen storage materials has attracted extensive interest for decades. Solid-stat... | Solid-state hydrogen storage systems based on metal hydride materials provide great promises for many applications. Recently, interest has been revived in TiFe alloys as a prime candidate for stationary hydrogen storage material. | _ |
!083 | Solid-state hydrogen storage has emerged as an efficient and reliable technique to commercialize hydrogen energy on a large scale. Magnesium hydride (MgH2), amongst other materials, shows excellent hydrogen storage capability. However, it suffers from setbacks like sluggish kinetics and high thermodynamic stability. Se... | Thermal desorption mass spectra (TDMS) with thermogravimetry (TG) and Differential scanning calorimetry (DSC) validate the optimum doping concentration to be 10 wt% NaNbO3 in MgH2. To fully comprehend the catalytic process, XRD, SEM, and XPS analysis were conducted after each stage of experiment. | _ |
!084 | Solid-state hydrogen storage device using metal hydride have enormous advantages for fuel cell forklifts. In addition to high volume hydrogen storage density, the solid-state hydrogen storage device can also be used as a counterweight for the forklift. At the same time, the solid-state storage device has low hydrogen s... | Solid-state hydrogen storage device using metal hydride have enormous advantages for fuel cell forklifts. The optimized solid-state hydrogen storage device was integrated in a power module for 3.5 T fuel cell forklift which allows uninterrupted operation for at least 6 h 8 min under rated operation. | _ |
!085 | As a high-density solid-state hydrogen storage material, magnesium hydride (MgH2) is promising for hydrogen transportation and storage. Yet, its stable thermodynamics and sluggish kinetics are unfavorable for that required for commercial application. Herein, nickel/vanadium trioxide (Ni/V2O3) nanoparticles with heteros... | Herein, nickel/vanadium trioxide (Ni/V2O3) nanoparticles with heterostructures were successfully prepared via hydrogenating the NiV-based two-dimensional layered double hydroxide (NiV-LDH). Mg2Ni/Mg2NiH4 and metallic V were formed in-situ during cycling, which synergistically tuned the hydrogen storage process in MgH2. | _ |
!086 | Hydrogen storage plays a pivotal role in the hydrogen industry, yet its current status presents a bottleneck. Diverse strategies have emerged in recent years to address this challenge. MgH2 has stood out as a promising solid-state hydrogen storage material due to its impressive gravimetric and volumetric hydrogen densi... | MgH2 has stood out as a promising solid-state hydrogen storage material due to its impressive gravimetric and volumetric hydrogen density, but its practical application is hampered by elevated thermal stability and sluggish kinetics. Incorporating this Pd metallene into MgH2 results in a composite system wherein the st... | _ |
!087 | Magnesium hydride (MgH2) is the most feasible and effective solid-state hydrogen storage material, which has excellent reversibility but initiates decomposing at high temperatures and has slow kinetics performance. Here, zinc titanate (Zn2TiO4) synthesised by the solid-state method was used as an additive to lower the ... | Magnesium hydride (MgH2) is the most feasible and effective solid-state hydrogen storage material, which has excellent reversibility but initiates decomposing at high temperatures and has slow kinetics performance. In addition, within 300 s, the MgH2–Zn2TiO4 sample absorbed 5.0 wt.% of H2 and 2.2–3.6 wt.% H2 was libera... | _ |
!088 | The process of heat-driven mass transfer involved in hydrogen storage within metal hydrides (MHs) demands implementing a heat transfer system (HTS) to facilitate faster hydrogen charging and discharging. One effective method to enhance heat transfer is utilizing an HTS equipped with fins and a cooling tube. Among the c... | One effective method to enhance heat transfer is utilizing an HTS equipped with fins and a cooling tube. Subsequent optimization of fin shape, precisely radial tapering, had a minimal impact on heat transfer performance. | _ |
!089 | Magnesium hydride (MgH2) has been under spot light recently when it comes to solid-state hydrogen storage media owing to its superior hydrogen storage capacity, reasonably good reversibility, and cost-effectiveness. Albeit these advantageous attributes, it suffers from the setback of having undesirably high thermodynam... | Magnesium hydride (MgH2) has been under spot light recently when it comes to solid-state hydrogen storage media owing to its superior hydrogen storage capacity, reasonably good reversibility, and cost-effectiveness. Albeit these advantageous attributes, it suffers from the setback of having undesirably high thermodynam... | _ |
!090 | To explore more possibilities for hydrogen economy, Mg-based alloys containing long period stacking ordered (LPSO) phase for solid-state hydrogen storage deserve attention. In this paper, indium (In) element is adopted to alter the de/hydrogenation abilities of Mg–Y–Zn alloys. The relationship between microstructural f... | Indium element can modify the morphology of LPSO phase and more Mg interfaces are obtained. The benefits of In element for dehydrogenation behaviors mainly come from increased Mg grain boundaries, larger MgH2 lattice constants with weaker Mg–H bonds, uniformly distributed nanoscale YH2/YH3 phase. | _ |
!091 | Laves phase high-entropy alloys are considered as good candidates for hydrogen storage applications. However, they usually suffer from poor first hydrogenation kinetics, the so-called activation process. In this paper, we attempt to solve the activation problem of the Ti0.5Zr0.5(Mn1-xFex)Cr1 (x = 0, 0.2 and 0.4) by hig... | The HPT process was carried out under 6 GPa pressure for 5 revolutions in air on samples synthesized by arc melting. The hydrogenation kinetics were measured using a Sievert's type apparatus at room temperature under 2 MPa of hydrogen pressure. | _ |
!092 | The low-cost production, safe storage and transportation, and efficient application of hydrogen are the focus of the current hydrogen energy researches. Among them, safe and efficient storage and transportation is the technical key to the large-scale application of hydrogen energy, so the research and development of hi... | In this paper, according to the current research status of solid hydrogen storage materials, the research progress of several solid hydrogen storage materials is discussed, including those based on physical adsorption, metal, coordinated hydride and hydrate. The most promising magnesium-based hydrogen storage materials... | _ |
!093 | Hydrogen energy is a key role in novel renewable energy production/consumption technologies. Traditional hydrogen energy systems are suffered from low density, high production cost, low efficiency, and storage complications. With the start of solid-state hydrogen storage technology, many of above deficiencies are fulfi... | The obtained pure GF nanostructures are then utilized for nanocomposite formation based on g-C3N4 (CN) with different amounts. It can be emphasized that these GF/CN nanocomposites can be utilized as hopeful hosts in an electrochemical hydrogen storage setup due to the synergic effect of g-C3N4 with essential characteri... | _ |
!094 | We develop a continuum framework applicable to solid-state hydrogen storage, cell biology and other scenarios where the diffusion of a single constituent within a bulk region is coupled via adsorption/desorption to reactions and diffusion on the boundary of the region. We formulate content balances for all relevant con... | These findings are verified through numerical simulations which reveal that instabilities driven by diffusion lead to the emergence of steady-state spatial patterns from random initial conditions and that bulk diffusion can suppress spatial patterns, in which case temporal oscillations can ensue. We include an extensio... | _ |
!095 | Catalyst-modified magnesium hydride (MgH2) holds the greatest promise as a solid-state hydrogen storage medium for mobile and stationary applications. However, the design and fabrication of highly active catalysts that enable MgH2 to reversibly desorb/absorb a large amount of hydrogen still remains challenging. In this... | Catalyst-modified magnesium hydride (MgH2) holds the greatest promise as a solid-state hydrogen storage medium for mobile and stationary applications. In this work, a novel nanostructured ZrFe2 (nano-ZrFe2) measuring 30-120 nm in size was designed and fabricated as a catalyst precursor, which was readily converted into... | _ |
!096 | In this paper, using density functional theory (DFT), we investigate the impact of mechanical treatment in terms of uniaxial and biaxial strains on both hydrogenation states of magnesium compounds i.e. H2-free magnesium (Mg) and preliminarily hydrogenated magnesium (MgH2). The thermodynamic properties calculation shows... | In this paper, using density functional theory (DFT), we investigate the impact of mechanical treatment in terms of uniaxial and biaxial strains on both hydrogenation states of magnesium compounds i.e. H2-free magnesium (Mg) and preliminarily hydrogenated magnesium (MgH2). These results potentially provide better clues... | _ |
!097 | Magnesium hydrides (MgH2) have drawn a lot of interest as a promising hydrogen storage material option due to their good reversibility and high hydrogen storage capacity (7.60 wt.%). However, the high hydrogen desorption temperature (more than 400 °C) and slow sorption kinetics of MgH2 are the main obstacles to its pra... | Magnesium hydrides (MgH2) have drawn a lot of interest as a promising hydrogen storage material option due to their good reversibility and high hydrogen storage capacity (7.60 wt.%). It is believed that in situ forms of NiO, ZnO, and MgO had good catalytic effects on MgH2, significantly reducing the activation energy a... | _ |
!098 | Hydrogen as an energy carrier has shown promises for future energy infrastructure. Due to its light weight and explosive nature, hydrogen need to be stored in safe and efficient way. The storage in solid state materials has been proposed as the safest method, which can store hydrogen through chemical bonding. Among sev... | KSiH3 system with catalyst V2O5 started desorbing at 100 °C and could achieve highest weight loss 3.7 wt % which is very close to theoretical value. The XPS investigation suggested a partial reduction of +5 oxidation state (corresponding to V2O5) to metallic state, which is proposed as the possible cause of this improv... | _ |
!099 | Although MgH2 has been widely regarded as a promising material for solid-state hydrogen storage, its high operating temperature and slow kinetics pose a major bottleneck to its practical application. Here, a nanocomposite catalyst with interfacial coupling and oxygen defects, Ni/CeO2, is fabricated to promote H2 desorp... | As a result, an impressive performance is achieved by MgH2-5 wt.% Ni/CeO2 with onset desorption temperature of only 165 °C, and it absorbs approximately 80% hydrogen in just 800 s at 125 °C. Therefore, a mechanism of the catalysis-assisting effect regarding oxygen defects is proposed. | _ |
!100 | LiAlH4 is considered as a promising material for solid state hydrogen storage. However, the lack of reversibility along with sluggish kinetics hinders its practical application. In this paper, hollow carbon nanospheres (HCNs) were used as a porous scaffold to confine LiAlH4 via solvent impregnation method. Nanoconfined... | However, the lack of reversibility along with sluggish kinetics hinders its practical application. In this paper, hollow carbon nanospheres (HCNs) were used as a porous scaffold to confine LiAlH4 via solvent impregnation method. | _ |
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