Academic literature on the topic 'Mg2FeH6'

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Journal articles on the topic "Mg2FeH6"

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Leiva, Daniel Rodrigo, André Castro De Souza Villela, Carlos de Oliveira Paiva-Santos, et al. "High-Yield Direct Synthesis of Mg2FeH6 from the Elements by Reactive Milling." Solid State Phenomena 170 (April 2011): 259–62. http://dx.doi.org/10.4028/www.scientific.net/ssp.170.259.

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Magnesium complex hydrides as Mg2FeH6 are interesting phases for hydrogen storage in the solid state, mainly due to its high gravimetric and volumetric densities of H2. However, the synthesis of this hydride is not trivial because the intermetallic phase Mg2Fe does not exist and Mg and Fe are virtually immiscible under equilibrium conditions. In this study, we have systematically studied the influence of the most important processing parameters in reactive milling under hydrogen (RM) for Mg2FeH6 synthesis: milling time, ball-to-powder weight ratio (BPR), hydrogen pressure and type of mill. Low
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De Lima, Gisele Ferreira, Daniel Rodrigo Leiva, Tomaz Toshimi Ishikawa, et al. "Hydrogen Sorption Properties of the Complex Hydride Mg2FeH6 Consolidated by HPT." Materials Science Forum 667-669 (December 2010): 1053–58. http://dx.doi.org/10.4028/www.scientific.net/msf.667-669.1053.

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In the present work, we have processed 2Mg-Fe mixtures by reactive milling (RM) under hydrogen atmosphere to synthesize Mg2FeH6 phase in the powder form which were then systematically processed by High Pressure Torsion (HPT) to produce bulk samples. The bulk samples were characterized in terms of microstructural and structural analyses and of hydrogen desorption properties. The hydrogen sorption properties after HPT processing was evaluated in comparison with the Mg2FeH6 powder obtained by RM and with commercial MgH2. HPT processing of Mg2FeH6 can produce bulks with a high density of defects t
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Puszkiel, Julián, M. Castro Riglos, José Ramallo-López, et al. "New Insight on the Hydrogen Absorption Evolution of the Mg–Fe–H System under Equilibrium Conditions." Metals 8, no. 11 (2018): 967. http://dx.doi.org/10.3390/met8110967.

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Mg2FeH6 is regarded as potential hydrogen and thermochemical storage medium due to its high volumetric hydrogen (150 kg/m3) and energy (0.49 kWh/L) densities. In this work, the mechanism of formation of Mg2FeH6 under equilibrium conditions is thoroughly investigated applying volumetric measurements, X-ray diffraction (XRD), X-ray absorption near edge structure (XANES), and the combination of scanning transmission electron microscopy (STEM) with energy-dispersive X-ray spectroscopy (EDS) and high-resolution transmission electron microscopy (HR-TEM). Starting from a 2Mg:Fe stoichiometric powder
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Julián, Puszkiel, Victoria Castro Riglos M., M. Ramallo-López José, et al. "New Insight on the Hydrogen Absorption Evolution of the Mg–Fe–H System under Equilibrium Conditions." Metals 8, no. 11 (2018): 967. https://doi.org/10.3390/met8110967.

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Mg2FeH6 is regarded as potential hydrogen and thermochemical storage medium due to its high volumetric hydrogen (150 kg/m3) and energy (0.49 kWh/L) densities. In this work, the mechanism of formation of Mg2FeH6 under equilibrium conditions is thoroughly investigated applying volumetric measurements, X-ray diffraction (XRD), X-ray absorption near edge structure (XANES), and the combination of scanning transmission electron microscopy (STEM) with energy-dispersive X-ray spectroscopy (EDS) and high-resolution transmission electron microscopy (HR-TEM). Starting from a 2Mg:Fe stoichiometric powder
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Julián, Puszkiel, Gennari Fabiana, Arneodo Larochette P., et al. "Sorption behavior of the MgH2-Mg2FeH6 hydride storage system synthesized by mechanical milling followed by sintering." International Journal of Hydrogen Energy 38 (August 16, 2013): 14618–30. https://doi.org/10.5281/zenodo.3979282.

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The hydrogen sorption behavior of the Mg2FeH6eMgH2 hydride system is investigated via in-situ synchrotron and laboratory powder X-ray diffraction (SR-PXD), differential scanning calorimetry (DSC), scanning electron microscopy (SEM), particle size distribution (PSD) and volumetric techniques. The Mg2FeH6eMgH2 hydride system is obtained by mechanical milling in argon atmosphere followed by sintering at high temperature and hydrogen pressure. In-situ SR-PXD results show that upon hydriding MgH2 is a precursor for Mg2FeH6 formation and remained as hydrided phase in the obtained material. Diffusion
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Brutti, Sergio, Luca Farina, Francesco Trequattrini, et al. "Extremely Pure Mg2FeH6 as a Negative Electrode for Lithium Batteries." Energies 11, no. 8 (2018): 1952. http://dx.doi.org/10.3390/en11081952.

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Nanocrystalline samples of Mg-Fe-H were synthesized by mixing of MgH2 and Fe in a 2:1 molar ratio by hand grinding (MIX) or by reactive ball milling (RBM) in a high-pressure vial. Hydrogenation procedures were performed at various temperatures in order to promote the full conversion to Mg2FeH6. Pure Mg2FeH6 was obtained only for the RBM material cycled at 485 °C. This extremely pure Mg2FeH6 sample was investigated as an anode for lithium batteries. The reversible electrochemical lithium incorporation and de-incorporation reactions were analyzed in view of thermodynamic evaluations, potentiodyn
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Langmi, Henrietta W., G. Sean McGrady, Rebecca Newhouse, and Ewa Rönnebro. "Mg2FeH6–LiBH4 and Mg2FeH6–LiNH2 composite materials for hydrogen storage." International Journal of Hydrogen Energy 37, no. 8 (2012): 6694–99. http://dx.doi.org/10.1016/j.ijhydene.2012.01.020.

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Ghaani, Mohammad R., Michele Catti, and Niall J. English. "In Situ Synchrotron X-ray Diffraction Studies of Hydrogen-Desorption Properties of 2LiBH4–Mg2FeH6 Composite." Molecules 26, no. 16 (2021): 4853. http://dx.doi.org/10.3390/molecules26164853.

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Adding a secondary complex metal hydride can either kinetically or thermodynamically facilitate dehydrogenation reactions. Adding Mg2FeH6 to LiBH4 is energetically favoured, since FeB and MgB2 are formed as stable intermediate compounds during dehydrogenation reactions. Such “hydride destabilisation” enhances H2-release thermodynamics from H2-storage materials. Samples of the LiBH4 and Mg2FeH6 with a 2:1 molar ratio were mixed and decomposed under three different conditions (dynamic decomposition under vacuum, dynamic decomposition under a hydrogen atmosphere, and isothermal decomposition). In
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PARKER, S. F., K. P. J. WILLIAMS, M. BORTZ, and K. YVON. "ChemInform Abstract: Inelastic Neutron Scattering, Infrared, and Raman Spectroscopic Studies of Mg2FeH6 and Mg2FeD6." ChemInform 29, no. 5 (2010): no. http://dx.doi.org/10.1002/chin.199805010.

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Polanski, M., T. Płociński, I. Kunce, and J. Bystrzycki. "Dynamic synthesis of ternary Mg2FeH6." International Journal of Hydrogen Energy 35, no. 3 (2010): 1257–66. http://dx.doi.org/10.1016/j.ijhydene.2009.09.010.

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Dissertations / Theses on the topic "Mg2FeH6"

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GHAANI, MOHAMMAD REZA. "Study of new materials and their functionality for hydrogen storage and other energy applications." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2014. http://hdl.handle.net/10281/49808.

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The first part of this thesis deals with hydrogen storage materials, in view of their applications as promising energy carriers. One of the main open problems with these materials is: how can their decomposition temperature be lowered, when hydrogen is wanted to be released, so as to improve the energy efficiency of the process. A possible answer is given by joint decomposition of two or more hydrides, if very stable mixed compounds are formed (‘hydride destabilization’). Aiming at this result, the new hydride composite 2LiBH4-Mg2FeH6 was considered, it was synthesized, and its thermodynamic a
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Book chapters on the topic "Mg2FeH6"

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Bogdanović, B., K. Schlichte, and A. Reiser. "Thermodynamic Properties and Cyclic-Stability of the System Mg2FeH6." In Hydrogen Power: Theoretical and Engineering Solutions. Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-015-9054-9_37.

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Conference papers on the topic "Mg2FeH6"

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Leiva, Daniel Rodrigo, André Castro Souza Villela, Tomaz Toshimi Ishikawa, and Walter José Botta Filho. "MECANO-SÍNTESE DE PÓS NANOCRISTALINOS À BASE DE Mg2FeH6." In 62º Congresso anual da ABM. Editora Blucher, 2007. https://doi.org/10.5151/2594-5327-2006-15208-0405.

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Leiva, Daniel Rodrigo, André Castro Souza Villela, Tomaz Toshimi Ishikawa, and Walter José Botta Filho. "MECANO-SÍNTESE DE PÓS NANOCRISTALINOS À BASE DE Mg2FeH6." In 62º Congresso anual da ABM. Editora Blucher, 2007. http://dx.doi.org/10.5151/2594-5327-0405.

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Kim, Juyoung. "Dehydrogenation Kinetics of Mg2FeH6 by In-situ Transmission Electron Microscopy." In European Microscopy Congress 2020. Royal Microscopical Society, 2021. http://dx.doi.org/10.22443/rms.emc2020.303.

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Kim, Juyoung. "Dehydrogenation Kinetics of Mg2FeH6 by In-situ Transmission Electron Microscopy." In European Microscopy Congress 2020. Royal Microscopical Society, 2021. http://dx.doi.org/10.22443/rms.emc2020.1094.

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