Structural and H2 sorption properties of MgH2–10 wt%ZrCrM (M = Cu, Ni) nano-composites

Agarwal, Shivani; Aurora, Annalisa; Jain, Ankur; Montone, A.

doi:10.1007/s11051-010-0203-0

Cited by 6 publications

(11 citation statements)

References 35 publications

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“…4. Similar to the earlier works [26][27][28][29] on the other composites with ZrCrM (M = Ni, Cu, Fe) alloys, activation cycles are required for the present composite, but less number of cycles (in comparison to 20 cycles for ZrCrNi composite) i.e. 5 absorption/desorption activation cycles are found necessary to get the stabilized results.…”

Section: Resultssupporting

confidence: 77%

Effect of ZrCrCo alloy on hydrogen storage properties of Mg

Agarwal

Jain

et al. 2015

Journal of Alloys and Compounds

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Section: Resultssupporting

confidence: 77%

Effect of ZrCrCo alloy on hydrogen storage properties of Mg

Agarwal

Jain

et al. 2015

Journal of Alloys and Compounds

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“…The addition of ZrCrCu alloy [161] produced Mg 2 Cu phase at the grain boundaries of Mg and alloy phase during the cycling, which provided diffusion paths and nucleation sites for the easy formation of hydride and enhanced the kinetics. The above reaction was not observed between Mg and other alloy ZrCrX (X = Ni, Fe, Mn, Co) composites [163][164][165][166][167][168][169].…”

Section: Hydride Hydride Forming Alloys and Sulfide As Catalystmentioning

confidence: 84%

“…The next category of catalyst material is not very different from the hydride materials, the only difference being their use in an unhydrided state in contrast with TiH 2 , NbH, or other complex hydrides. Several studies have focused on various alloys such as LaNi 5 [154], FeTi [155,156], Ti-V-Cr alloys [157][158][159][160], and Zr based alloys [161][162][163][164][165][166][167][168][169][170][171]. Vijay et al [155] studied the effect of FeTi and FeTiMn alloys in different proportions (5-40 wt%).…”

Section: Hydride Hydride Forming Alloys and Sulfide As Catalystmentioning

confidence: 99%

Catalytic Tuning of Sorption Kinetics of Lightweight Hydrides: A Review of the Materials and Mechanism

2018

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Hydrogen storage materials have been a subject of intensive research during the last 4 decades. Several developments have been achieved in regard of finding suitable materials as per the US-DOE targets. While the lightweight metal hydrides and complex hydrides meet the targeted hydrogen capacity, these possess difficulties of hard thermodynamics and sluggish kinetics of hydrogen sorption. A number of methods have been explored to tune the thermodynamic and kinetic properties of these materials. The thermodynamic constraints could be resolved using an intermediate step of alloying or by making reactive composites with other hydrogen storage materials, whereas the sluggish kinetics could be improved using several approaches such as downsizing and the use of catalysts. The catalyst addition reduces the activation barrier and enhances the sorption rate of hydrogen absorption/desorption. In this review, the catalytic modifications of lightweight hydrogen storage materials are reported and the mechanism towards the improvement is discussed.

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“…The catalysts, namely d-metals -nickel [2][3][4], iron [3][4][5], cobalt [3] and palladium [6,7] considerably accelerate the process of hydrining-dehydrining. At the same time the last works [7,8] point the especial efficiency of nanostructured catalysts and composites. To ensure the uniform distribution of the catalyst over the magnesium surface (in volume) the Mg-Me systems are prepared using ball-milling in the absence of oxygen and moisture [4,5,8].…”

Section: Introductionmentioning

confidence: 99%

“…At the same time the last works [7,8] point the especial efficiency of nanostructured catalysts and composites. To ensure the uniform distribution of the catalyst over the magnesium surface (in volume) the Mg-Me systems are prepared using ball-milling in the absence of oxygen and moisture [4,5,8].…”

Section: Introductionmentioning

confidence: 99%

Palladium Deposition on Magnesium in PdCl2 Solutions in DMF

Кuntyi¹,

Dobrovetska²,

Korniy³

et al. 2014

ChChT

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Palladium deposition on rotational magnesium disk and magnesium powder via cementation has been investigated in 0.01 M PdCl 2 solutions in dimethylformamide. The reduction process started from 323-333 K without the induction period. Spheroidal microparticles of palladium and its agglomerates were found to be formed on the magnesium disk surface. Particles in the form of needles and plates by the width of 80-120 nm were formed on the surface of magnesium powder. The deposited particles are characterized by high adhesion to the substrate surface.

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Structural and H2 sorption properties of MgH2–10 wt%ZrCrM (M = Cu, Ni) nano-composites

Cited by 6 publications

References 35 publications

Effect of ZrCrCo alloy on hydrogen storage properties of Mg

Effect of ZrCrCo alloy on hydrogen storage properties of Mg

Catalytic Tuning of Sorption Kinetics of Lightweight Hydrides: A Review of the Materials and Mechanism

Palladium Deposition on Magnesium in PdCl2 Solutions in DMF

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