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HYDROGENATION OF CHOSEN MgMXN INTERMETALLICS (X=Al, Ga, In, Si, Sn)
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SYSNO ASEP 0473834 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title HYDROGENATION OF CHOSEN MgMXN INTERMETALLICS (X=Al, Ga, In, Si, Sn) Author(s) Čermák, Jiří (UFM-A) RID, ORCID
Král, Lubomír (UFM-A) RID, ORCID
Roupcová, Pavla (UFM-A) RID, ORCIDNumber of authors 3 Source Title NANOCON 2016. 8th International Conference on Nanomaterials - Research and Application. Conference Proceedings. - Ostrava : Tanger, 2017 - ISBN 978-80-87294-71-0 Pages s. 715-720 Number of pages 6 s. Publication form Medium - C Action NANOCON 2016. International Conference on Nanomaterials - Research and Application /8./ Event date 19.10.2016 - 21.10.2016 VEvent location Brno Country CZ - Czech Republic Event type WRD Language eng - English Country CZ - Czech Republic Keywords Hydrogen ; hydrogen storage ; Mg alloys ; hydrogen solubility ; MgH2 Subject RIV BJ - Thermodynamics OECD category Thermodynamics R&D Projects LQ1601 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support UFM-A - RVO:68081723 UT WOS 000410656100124 Annotation Hydrogen sorption in chosen intermetallics MgmXn (Mg17Al12 , Mg2Ga, mixture of beta-Mg-In phases, Mg2Si and Mg2Sn) formed by magnesium and elements from the 13 th (X: Al, Ga, In) and 14 th (X: Si, Sn) groups was studied between the room temperature and T = 350 °C. Hydrogen pressure p varied from 10-3 MPa to 6 MPa.
Hydrogen solubility in alpha phase (solid solution of hydrogen in MgmXn before the hydride phase was nucleated) was close to hydrogen solubility in pure Mg. Concentration cH of hydrogen solved in Mg m X n depended linearly on pressure p , dependence of cH on temperature T was relatively weak. MgH2 was the main hydrogen storage phase in all the compounds MgmXn . Nucleation of MgH2 at 350 °C was observed at pressure above approximately 1 MPa in Mg17Al12 and above 2 Ma in other compounds. Maximum values of c H in hydride-containing compounds MgmXn detected at T = 350 °C depended on the stability of MgmXn .Workplace Institute of Physics of Materials Contact Yvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485 Year of Publishing 2018
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