Production of hydrogen from magnesium hydrides hydrolysis

Tayeh, Toufic; Awad, A.S.; Nakhl, M.; Zakhour, M.; Silvain, Jean François; Bobet, Jean-Louis

doi:10.1016/j.ijhydene.2013.12.082

Cited by 93 publications

(43 citation statements)

References 19 publications

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“…Recently, various effective methods such as ball‐milling, alloying, changing the aqueous solution composition, and catalyst doping have been adopted to improve the hydrolysis properties of Mg‐based materials. The tailoring of the components of solutions, such as the introduction of organic acids, inorganic acids, or saline solutions, has been efficient to accelerate the hydrolysis kinetics of Mg/MgH 2 , whereas the addition of salt or acid may be harmful to the environment and corrode equipment. Moreover, a temperature range above 0 °C for hydrogen generation from chemical hydrides using water as a solvent is a serious hurdle for outdoor applications.…”

Section: Introductionmentioning

confidence: 99%

Kinetically Controllable Hydrogen Generation at Low Temperatures by the Alcoholysis of CaMg₂‐Based Materials in Tailored Solutions

Chen

Ouyang

et al. 2020

ChemSusChem

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Figure 2. Methanolysis kinetics curvesa nd corresponding hydrogen-generation rate curveso faa nd b) CM 2 alloy and cand d) H-CM 2 hydrides ball milled for differentd urations. Figure 5. Methanolysis kinetics curvesa nd hydrogen-generation rate curves at different temperatures of CM 2 alloy ball-milled for aa nd b) 0.5 and ca nd d) 1.5 h. e) Methanolysis kinetics curves and f) hydrolysis conversion rate at various reactiont imesf or CM 2 alloy milled for 0.5 ha tÀ10 and À20 8C.

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Section: Introductionmentioning

confidence: 99%

Kinetically Controllable Hydrogen Generation at Low Temperatures by the Alcoholysis of CaMg₂‐Based Materials in Tailored Solutions

Chen

Ouyang

et al. 2020

ChemSusChem

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“…Because of its promising utilization for environmentally friendly energy generation without CO 2 emissions, the development of an appropriate carrier where hydrogen would be safely stored is essential [2][3][4]. Hydrogen can be stored either in pressurized, cryogenic tanks or solids capable to ensure reversible absorption/desorption reaction of hydrogen with low energy exchange [1,5,6]. However, storage in high pressure or cryogenic tanks is not suitable for many hand-held applications as it requires massive equipment with additional safety fittings [6].…”

Section: Introductionmentioning

confidence: 99%

“…Hydrogen can be stored either in pressurized, cryogenic tanks or solids capable to ensure reversible absorption/desorption reaction of hydrogen with low energy exchange [1,5,6]. However, storage in high pressure or cryogenic tanks is not suitable for many hand-held applications as it requires massive equipment with additional safety fittings [6].…”

Section: Introductionmentioning

confidence: 99%

“…On the contrary, gas storage can be excluded if direct hydrogen production is achieved on-site during the reaction between metals, metal alloys, hydrides and water [3,4,[6][7][8][9]. For example, aluminum, magnesium, lithium, zink, boron, beryllium or silicon are successfully applied for in-situ hydrogen generation using the previously mentioned water oxidation of light metals [4,8].…”

Section: Introductionmentioning

confidence: 99%

“…Particular attention is paid to magnesium (Mg) due to its low density, high capacity, reactivity and abundance in the earth [10,11]. Magnesium hydride (MgH 2 ) offers a great potential for widespread use as its weight yield of hydrogen reaches 6.4% and it can be increased up to 15.2% if water produced in a fuel cell (FC) is used in the reaction again [6]. Therefore, Mg and MgH 2 are used for hydrogen production by the following reactions:…”

Section: Introductionmentioning

confidence: 99%

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Electrical power generation with PEM FC using hydrogen supply through Mg-Ni reaction with water

Girdzevicius¹,

Milčius²

2016

energetika

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Hydrogen is considered an energy vector of the future because of its potential use for clean energy generation. Portable electronic devices can be powered when hydrogen is supplied to fuel cells. In order to avoid massive equipment for hydrogen storage, direct hydrogen production can be achieved on-site during the reaction between metals/metal alloys/metal hydrides and water. Magnesium hydride offers great perspective for widespread applications as its weight yield of hydrogen reaches 6.4% according to the reaction with water and it can even increase to 15.2% if water produced in the fuel cell is used in the reaction again. In the present work, Mg powder with the content of Ni was synthesized under low temperature hydrogen plasma conditions changing the DC magnetron current from 0.5 to 1 A. As pure Mg powder was immersed into hydrogen plasma, the simultaneous hydrogenation process was ensured. Nickel was chosen as a catalyst capable to influence the growth of hydride. The process of electric power generation was investigated when reaction between modified Mg powder and water was applied to laboratory-built equipment consisting of a reactor for hydrogen production, gas dryer before H2 introduction to the fuel cell, fuel cell, load and energy meter. Solutions of acetic acid and sodium chloride were used as promoters during powder-water reactions. The characterisation of predicted magnesium hydride powder was done using scanning electron microscopy, electron dispersive spectroscopy and X-ray diffraction. XRD analysis showed only Mg, MgO and Ni peaks indicating that hydrogen generation during powder-water reaction was evoked because of microgalvanic corrosion at Mg-Ni intersections.

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Zeolitic imidazolate frameworks (ZIF‐8, ZIF‐67, and ZIF‐L) for hydrogen production

Abdelhamid

2021

Applied Organom Chemis

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Hydride materials have good performance for hydrogen (H2) gas storage and release. The release of H2 gas from hydrides via the hydrolysis process can be improved or controlled using a catalyst. Herein, benzoic acid (BA) and hexamethylenetetramine (HMTA) modulate the synthesis of hierarchical porous zeolitic imidazolate framework‐8 (HFZIF‐8, Zn‐based metal organic frameworks [MOFs]), ZIF‐67 (Co‐based MOFs), and leaf‐like ZIF (ZIF‐L). The mechanistic study for the synthesis procedure of ZIF‐8 revealed an in situ synthesis of zinc hydroxide nitrate nanosheets (100‐ to 150‐nm thickness) with an interplanar distance of 0.97 nm between the layers of zinc hydroxide, Zn5(OH)82+. X‐ray diffraction (XRD) data indicated that benzoate ions replaced nitrate ions (2NO3−) between Zn5(OH)82+ layers leading to an increase in the interplanar distance (from 0.97 nm to 1.9 nm). Zinc hydroxide benzoate nanosheets showed a fast conversion into HPZIF‐8 at room temperature. The concentration of BA and HMTA tuned the porosity of HPZIF‐8, offering a hierarchical micropore–mesopore structure. The prepared materials increased the hydrolysis rate of sodium borohydride. ZIF‐8 and ZIF‐67 prepared using BA showed high catalytic performance in terms of efficiency and reaction time compared with other materials. The result's findings open new avenues for the synthesis of adequate materials for hydrogen generation via the hydrolysis of hydrides.

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Production of hydrogen from magnesium hydrides hydrolysis

Cited by 93 publications

References 19 publications

Kinetically Controllable Hydrogen Generation at Low Temperatures by the Alcoholysis of CaMg₂‐Based Materials in Tailored Solutions

Kinetically Controllable Hydrogen Generation at Low Temperatures by the Alcoholysis of CaMg₂‐Based Materials in Tailored Solutions

Electrical power generation with PEM FC using hydrogen supply through Mg-Ni reaction with water

Zeolitic imidazolate frameworks (ZIF‐8, ZIF‐67, and ZIF‐L) for hydrogen production

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Production of hydrogen from magnesium hydrides hydrolysis

Cited by 93 publications

References 19 publications

Kinetically Controllable Hydrogen Generation at Low Temperatures by the Alcoholysis of CaMg2‐Based Materials in Tailored Solutions

Kinetically Controllable Hydrogen Generation at Low Temperatures by the Alcoholysis of CaMg2‐Based Materials in Tailored Solutions

Electrical power generation with PEM FC using hydrogen supply through Mg-Ni reaction with water

Zeolitic imidazolate frameworks (ZIF‐8, ZIF‐67, and ZIF‐L) for hydrogen production

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Product

Resources

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Kinetically Controllable Hydrogen Generation at Low Temperatures by the Alcoholysis of CaMg₂‐Based Materials in Tailored Solutions

Kinetically Controllable Hydrogen Generation at Low Temperatures by the Alcoholysis of CaMg₂‐Based Materials in Tailored Solutions