HYDROGEN SORPTION IN ORDERED Mg-In ALLOYS

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F19%3A00511641" target="_blank" >RIV/68081723:_____/19:00511641 - isvavai.cz</a>
Alternative codes found
RIV/00216305:26620/19:PU140060
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
HYDROGEN SORPTION IN ORDERED Mg-In ALLOYS
Original language description
Hydrogen storage (HS) performance of three Mg- x In- y CB alloys (CB - amorphous carbon, x = 55, 64, 73 y =n10 wt%) was studied. Indium concentration covered an area of ordered β structures. Alloys were prepared bynball-milling in hydrogen atmosphere. Kinetic curves and PCT isotherms were measured in the temperatureninterval from 200 °C to 325 °C. X-ray diffraction spectroscopy (XRD) was used for structure investigation. Alloynwith x = 73 wt% In ( β ’’ structure) showed reversible amorphization during temperature cycling between aboutn100 °C and 350 °C. Hydrogen sorption experiments were done by the Sieverts method under the hydrogenngas pressure ranging from 0.1 MPa to 2.5 MPa. It was found that hydrogen sorption capacity varied betweenn0.47 and 1.1 wt% H 2 . Hydride formation enthalpy ∆H calculated from desorption PCT experiments wasnsignificantly lower than ∆H , known for pure Mg. This invoked an idea that atomic order of Mg-based HSnmaterials might decrease the high thermodynamic stability of hydride phase.
Czech name
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Czech description
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Metal 2019 - 28th International Conference on Metallurgy and Materials
ISBN
978-80-87294-92-5
ISSN
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e-ISSN
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Number of pages
6
Pages from-to
1422-1427
Publisher name
TANGER Ltd., Ostrava
Place of publication
Ostrava
Event location
Brno
Event date
May 22, 2019
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
000539487400233

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