Název:
HYDROGENATION PROPERTIES OF Mg-Al-Ti-Zr-C COMPOSITE
Autoři:
Král, Lubomír ; Čermák, Jiří ; Roupcová, Pavla Typ dokumentu: Příspěvky z konference Konference/Akce: NANOCON 2016. International Conference on Nanomaterials - Research and Application /8./, Brno (CZ), 20161019
Rok:
2017
Jazyk:
eng
Abstrakt: The improvement of hydrogen storage properties of ball-milled Mg-Al-Ti-Zr-C composite was studied in this\npaper. It has been previously shown, that the addition of Ti, Zr, Al and C improves storage properties of Mg.\nThis beneficial effect of additives upon hydrogen storage properties can be explained by catalysis by the\nnanoparticles rich in Ti, Zr or Al located on the surface of Mg grains. They provide effective pathways for the\nhydrogen diffusion into the MgH2. The morphological and microstructural characteristics were investigated by\nscanning electron microscope Tescan Lyra 3 and by X-ray diffraction. The hydrogen sorption was measured\nby Sieverts method using Setaram PCT-Pro device.\nStudied experimental composite absorbed 4.2 wt.% H 2 at 573 K and 3 wt.% H 2 at 523K within 10 min. The\nhydrogen storage capacity of the composite was about 4.6% wt.% H 2 and 4.2% wt.% H 2 at 573K and 523K,\nrespectively.
Klíčová slova:
catalysis; Hydrides; hydrogen; hydrogen storage; Mg-alloys Číslo projektu: LQ1601 (CEP) Poskytovatel projektu: GA MŠk Zdrojový dokument: NANOCON 2016. 8th International Conference on Nanomaterials - Research and Application. Conference Proceedings, ISBN 978-80-87294-71-0
Instituce: Ústav fyziky materiálů AV ČR
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Informace o dostupnosti dokumentu:
Dokument je dostupný v příslušném ústavu Akademie věd ČR. Původní záznam: http://hdl.handle.net/11104/0275036