About: Kinetics of hydrogen in Mg2Ni and in hydrogenated Mg and Mg-Mg2Ni eutectic

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Time dependence of total amount of hydrogen desorbed from hydrogen-charged Mg and eutectic Mg-Mg2Ni (23.5 wt. % Ni) alloy was measured at temperatures from interval 552 – 723 K. Experiments were carried out well below the equilibrium pressure, where these hydrides – perspective as solid hydrogen storage media – are unstable and the desorption process is controlled mainly by diffusion of hydrogen in respective hydride (MgH2 and/or Mg2NiH4). Hydrogen diffusion coefficients were evaluated from desorption curves and hydrogen diffusion coefficient along interphase boundary MgH2/Mg2NiH4 was estimated from results obtained with the eutectic alloy. Time dependence of total amount of hydrogen desorbed from hydrogen-charged Mg and eutectic Mg-Mg2Ni (23.5 wt. % Ni) alloy was measured at temperatures from interval 552 – 723 K. Experiments were carried out well below the equilibrium pressure, where these hydrides – perspective as solid hydrogen storage media – are unstable and the desorption process is controlled mainly by diffusion of hydrogen in respective hydride (MgH2 and/or Mg2NiH4). Hydrogen diffusion coefficients were evaluated from desorption curves and hydrogen diffusion coefficient along interphase boundary MgH2/Mg2NiH4 was estimated from results obtained with the eutectic alloy. (en) V teplotním intervalu 552 - 723 K byla měřena teplotní závislost celkového množství vodíku desorbovaného z hydrogenovaného Mg a eutektika Mg-Mg2Ni (23,5 hm.% Ni). Experimenty byly prováděny v oblasti pod rovnovážným tlakem, kde tyto hydridy - perspektivní jako pevná media pro uchovávání vodíku - jsou nestabilní a proces desoprce je řízen hlavně difúzí vodíku v příslušném hydridu (MgH2 a/nebo Mg2NiH4). Difúzní koeficienty vodíku byly vyhodnoceny z desorpčních křivek and difúzní koeficinty vodíku podél mezifázové hranice MgH2/Mg2NiH4 byly odhanuty z výsledků získaných pro eutektickou slitinu. (cs)
Title	Kinetics of hydrogen in Mg2Ni and in hydrogenated Mg and Mg-Mg2Ni eutectic Kinetics of hydrogen in Mg2Ni and in hydrogenated Mg and Mg-Mg2Ni eutectic (en) Kinetika vodíku v Mg2Ni a v hydrogenovaném eutektiku Mg-Mg2Ni (cs)
skos:prefLabel	Kinetics of hydrogen in Mg2Ni and in hydrogenated Mg and Mg-Mg2Ni eutectic Kinetics of hydrogen in Mg2Ni and in hydrogenated Mg and Mg-Mg2Ni eutectic (en) Kinetika vodíku v Mg2Ni a v hydrogenovaném eutektiku Mg-Mg2Ni (cs)
skos:notation	RIV/68081723:_____/08:00307737!RIV08-AV0-68081723
http://linked.open.../vavai/riv/strany	paper no. 14
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA106/07/0010), Z(AV0Z20410507)
http://linked.open...vai/riv/dodaniDat	2008
http://linked.open...aciTvurceVysledku	Stloukal, Ivo Čermák, Jiří Král, Lubomír
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyziky materiálů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	374779
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/08:00307737
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	hydrogen storage; Mg-Ni alloys; hydrogen diffusion coefficients (en)
http://linked.open.../riv/klicoveSlovo	hydrogen storage Mg-Ni alloys hydrogen diffusion coefficients
http://linked.open...ontrolniKodProRIV	[6FF5F3874215]
http://linked.open...v/mistoKonaniAkce	Hradec nad Moravicí
http://linked.open...i/riv/mistoVydani	Ostrava
http://linked.open...i/riv/nazevZdroje	METAL 2008. Sborník přednášek.
http://linked.open...in/vavai/riv/obor	BJ
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Diffusion of hydrogen in alloys Mg-Ni modified by chosen elements that suppress the stability of hydrides
http://linked.open...UplatneniVysledku	2008
http://linked.open...iv/tvurceVysledku	Král, Lubomír Čermák, Jiří Stloukal, Ivo
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2008-05-13 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing
number of pages	8 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Tanger s.r.o.
https://schema.org/isbn	978-80-254-1987-8

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