Results 231 to 240 of about 9,678 (253)
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Acta Materialia, 1997
The intermetallic compound Mg2Ni was mechanically ground under a hydrogen atmosphere to synthesize a nanostructured composite material that is composed of nanocrystalline intra-grain and disordered inter-grain regions. Both the thermal and magnetic analyses confirmed that a volume fraction of the latter region increases twenty times as much as that in ...
S. Orimo, H. Fujii, K. Ikeda
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The intermetallic compound Mg2Ni was mechanically ground under a hydrogen atmosphere to synthesize a nanostructured composite material that is composed of nanocrystalline intra-grain and disordered inter-grain regions. Both the thermal and magnetic analyses confirmed that a volume fraction of the latter region increases twenty times as much as that in ...
S. Orimo, H. Fujii, K. Ikeda
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The Journal of Physical Chemistry Letters, 2009
Hydrogen back pressure remarkably promotes the formation of metal boride during the dehydrogenation of 4LiBH4 + YH3, 6LiBH4 + CeH2 and 6LiBH4 + CaH2 composites, which seems to be a general phenomenon in LiBH4-based reactive hydride composites that enables mutual destabilization between LiBH4 and metal hydride.
Jae-Hyeok Shim +7 more
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Hydrogen back pressure remarkably promotes the formation of metal boride during the dehydrogenation of 4LiBH4 + YH3, 6LiBH4 + CeH2 and 6LiBH4 + CaH2 composites, which seems to be a general phenomenon in LiBH4-based reactive hydride composites that enables mutual destabilization between LiBH4 and metal hydride.
Jae-Hyeok Shim +7 more
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Surface Science, 2003
For hydrogenated amorphous silicon (a-Si:H) film growth governed by SiH3 plasma radicals, the surface reaction probability b of SiH3 and the silicon hydride (–SiHx) composition of the a-Si:H surface have been investigated by timeresolved cavity ringdown and attenuated total reflection infrared spectroscopy, respectively. The surface hydride composition
W.M.M. Kessels +4 more
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For hydrogenated amorphous silicon (a-Si:H) film growth governed by SiH3 plasma radicals, the surface reaction probability b of SiH3 and the silicon hydride (–SiHx) composition of the a-Si:H surface have been investigated by timeresolved cavity ringdown and attenuated total reflection infrared spectroscopy, respectively. The surface hydride composition
W.M.M. Kessels +4 more
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Materials Chemistry and Physics, 2018
Abstract High molecular weight vinyl terminated poly (dimethyl-co-diphenyl)siloxane polymer (V-PDMPS) was synthesised by a multistage process including hydrolysis of precursor chlorosilanes and their anionic polymerization followed by chain termination.
K. Indulekha +5 more
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Abstract High molecular weight vinyl terminated poly (dimethyl-co-diphenyl)siloxane polymer (V-PDMPS) was synthesised by a multistage process including hydrolysis of precursor chlorosilanes and their anionic polymerization followed by chain termination.
K. Indulekha +5 more
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Hydrogen Storage Properties of Nanoconfined LiBH4–Mg2NiH4 Reactive Hydride Composites
The Journal of Physical Chemistry C, 2015LiBH4–Mg2NiH4 reactive hydride composites have been nanoconfined into two types of mesoporous carbons: a templated carbon with ordered small pores of ∼4 nm and a carbon aerogel with pores size of ∼30 nm. In situ synchrotron X-ray diffraction has revealed the formation of the MgNi2.5B2 compound during dehydrogenation at 300 °C and 5 bar of H2 pressure ...
Javadian, Payam +4 more
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2020
The hydrogen storage properties of the Li-Mg-N-H system composed of Mg(NH2)2 and LiH are investigated. In the last decade, the Li-Mg-N-H system attracted increasing attention due to its high hydrogen storage capacity (5.5 wt.%), favourable dehydrogenation enthalpy (∆H ≈ 40 kJ∙mol-1H2) and good reversibility.
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The hydrogen storage properties of the Li-Mg-N-H system composed of Mg(NH2)2 and LiH are investigated. In the last decade, the Li-Mg-N-H system attracted increasing attention due to its high hydrogen storage capacity (5.5 wt.%), favourable dehydrogenation enthalpy (∆H ≈ 40 kJ∙mol-1H2) and good reversibility.
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The Journal of Physical Chemistry C, 2015
The reactive hydride composites 9CaH2 + CaF2 + 10MgB2, 10Ca(BH4)2 + 9MgH2 + MgF2, and 9Ca(BH4)2 + Ca(BF4)2 + 10MgH2 were prepared by ball milling.
K. Suarez-Alcantara +7 more
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The reactive hydride composites 9CaH2 + CaF2 + 10MgB2, 10Ca(BH4)2 + 9MgH2 + MgF2, and 9Ca(BH4)2 + Ca(BF4)2 + 10MgH2 were prepared by ball milling.
K. Suarez-Alcantara +7 more
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Activation of the reactive hydride composite 2NaBH(4) + MgH(2) RID A-2096-2009 RID B-4391-2009
2011A novel method to enhance the reaction kinetics of the reactive hydride composite 2NaBH4 + MgH2 is described. It has been discovered that short-term exposure to a moist atmosphere has a very beneficial effect on the desorption reaction of the 2NaBH4 + MgH2 mixture.
Pistidda C +9 more
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