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hydrogen sorption of mg nb2o5 cnt produced by ball milling and subsequent high pressure torsion

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  • Air stable magnesium nickel hydride with autocatalytic and

    Air stable magnesium nickel hydride with autocatalytic and

    Oct 05, 2021 Among the factors which restrict the large-scale utilization of magnesium-based hydride as a hydrogen storage medium, the high operating temperature, slow kinetics, and air stability in particular are key obstacles. In this work, a novel method, namely hydriding combustion synthesis plus short-term mechanical milling followed by air exposure, was proposed to synthesize air stable and ...

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  • PDF Influence of different amounts of FeCl3 on

    PDF Influence of different amounts of FeCl3 on

    improvement of the hydrogen sorption properties. J Alloys [52] Wu CZ, Wang P, Yao X, Liu C, Chen DM, Lu GQ, et al. Compd 2003;351:217e21. Hydrogen storage properties of MgH2/SWNT composite [36] Li P, Wan Q, Li Z, Zhai F, Li Y, Cui L, et al. MgH2 prepared by ball milling.

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  • Effect of trace Na additions on the hydrogen absorption

    Effect of trace Na additions on the hydrogen absorption

    On a closer look, one can observe the evolution of hydrogen solid solution in the Mg 2 Ni phase [Figs. 6(c) and 6(d)]. It has been generally agreed that the stable solid solution of hydrogen within the Mg 2 Ni, namely Mg 2 NiH 0.3, appears during the phase transition from Mg 2 Ni to high temperature (HT) Mg …

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  • Review of magnesium hydride based materials development

    Review of magnesium hydride based materials development

    Jan 27, 2016 At high pressure (2 MPa), Mg 2 NiH 4 is formed directly in a single step from the initial MgH 2 and Ni nanoparticles. The hydrogen sorption in nanosized Mg 2 Ni is found to be reversible, and moreover, the formed hydride is able to desorb in a very short time at a low temperature (483 K).

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  • PDF Magnesium based hydrogen storage nanomaterials

    PDF Magnesium based hydrogen storage nanomaterials

    The improvement of hydrogenation/ dehydrogenation of Mg by the oxides was also observed for Mg High Energy Reactive Ball Milling in Hydrogen (HRBM) is a very or MgH2 ball milled with the additives in an inert (argon) atmo- efficient route for the preparation of hydrogen …

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  • Application of Severe Plastic Deformation Techniques to

    Application of Severe Plastic Deformation Techniques to

    Figure 3. Kinetics of hydrogen desorption at 300 C from differently processed samples of ZK60 alloy and from high energy ball milling (HEBM)-processed pure Mg. [6] In the case of as-cast eutectic Mg-Ni alloy, after 10 ECAP passes (route BC) sub-micrometer size of Mg and Mg2Ni grains was achieved [7].

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  • The Influence of Preparation Conditions on the Hydrogen

    The Influence of Preparation Conditions on the Hydrogen

    Jul 01, 2020 The Influence of Preparation Conditions on the Hydrogen Sorption of Mg-Nb₂O5-CNT Produced by Ball Milling and Subsequent High-Pressure Torsion. R v sz (1), Spassov T(2), Kis VK(3), Schafler E(4), Gajdics M(1). Author information: (1)Department Materials Physics, E tv s University, Budapest, H-1518, Budapest, Hungary.

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  • Low temperature hydrogenation of Mg Ni Nb2O5 alloy

    Low temperature hydrogenation of Mg Ni Nb2O5 alloy

    The influence of preparation conditions on the hydrogen sorption of Mg-Nb 2 O 5-CNT produced by ball milling and subsequent high-pressure torsion J. Nanosci. Nanotechnol. , 20 ( 2020 ) , pp. 4587 - 4590 , 10.1166/jnn.2020.17871

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  • Microstructural and morphological investigations on Mg

    Microstructural and morphological investigations on Mg

    Mar 13, 2020 A combined deformation process of high energy ball milling and subsequent high-pressure torsion method was applied to synthesize nanocrystalline magnesium powders catalyzed by Nb 2 O 5 and/or multiwall carbon nanotubes. The effect of the different additives on the kinetics of the milled powders and the bulk disks produced by simultaneous uniaxial compression and severe shear …

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  • List of peer reviewed publications

    List of peer reviewed publications

    conditions on the hydrogen sorption of Mg-Nb2O5-CNT produced by ball milling and subsequent high-pressure torsion, Proceedings of The 25th International Symposium on Metastable, Amorphous and Nanostructured Materials (ISMANAM 2018), 2-6.07.2018, Rome, Italy. Open access: NO Acknowledgment to “Materials Networking” project: NO 12. St.

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  • Catalytically Enhanced Hydrogen Sorption in Mg MgH2 by

    Catalytically Enhanced Hydrogen Sorption in Mg MgH2 by

    A combined deformation process of high energy ball milling and subsequent high-pressure torsion method was applied to synthesize nanocrystalline magnesium powders catalyzed by Nb2O5 and/or ...

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  • PDF Microstructural Investigation of Nanocrystalline

    PDF Microstructural Investigation of Nanocrystalline

    A high-energy ball milling and subsequent high-pressure torsion method was applied to synthesize nanocrystalline magnesium samples catalyzed by TiO2 or titanate nanotubes.

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  • Publik 225 ci 243 k ELTE

    Publik 225 ci 243 k ELTE

    A projekthez kapcsol d publik ci k. ELTE P ly zati K zpont R lunk

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