About: Desorption kinetics of hydrogen in Mg2NiH4 hydride and in hydrogenated eutectic (Mg/Mg2Ni)Hx./sub

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About: Desorption kinetics of hydrogen in Mg2NiH4 hydride and in hydrogenated eutectic (Mg/Mg2Ni)Hx./sub Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Slitiny Mg-Ni jsou perspektivní materiály pro ukládání vodíku. V této práci byla studována kinetika desoprce vodíku Mg2NiH4 hydridu a v navodíkovaném eutektiku (Mg/Mg2Ni)Hx. časová závislost desorbovaného vodíku byl měřena v teplotním intervalu 552–723 K a koeficienty difúze vodíku byly vyhodnocenyze získaných desorpčních křivek. Výsledky byl interpretovány ve vztahu k fázovému složení, které bylo současně studováno rentgenovou difrakcí. Byla zjištěno, že mikrozdvojčatělá nízkoteplotní fáze LT2 významně snižuje rychlost desorpce vodíku. (cs) Mg-Ni alloys are perspective hydrogen storage materials. In the present work, kinetics of hydrogen desorption was studied in Mg2NiH4 hydride and in hydrogenated eutectic (Mg/Mg2Ni)Hx. Time dependence of desorbed hydrogen was measured in temperature interval 552–723 K and hydrogen diffusion coefficients were evaluated from obtained desorption curves. Results were interpreted in relation to phase composition investigated parallel by XRD. It was found that microtwinned low-temperature phase LT2 slows-down considerably the hydrogen desorption rate. Mg-Ni alloys are perspective hydrogen storage materials. In the present work, kinetics of hydrogen desorption was studied in Mg2NiH4 hydride and in hydrogenated eutectic (Mg/Mg2Ni)Hx. Time dependence of desorbed hydrogen was measured in temperature interval 552–723 K and hydrogen diffusion coefficients were evaluated from obtained desorption curves. Results were interpreted in relation to phase composition investigated parallel by XRD. It was found that microtwinned low-temperature phase LT2 slows-down considerably the hydrogen desorption rate. (en)
Title	Desorption kinetics of hydrogen in Mg2NiH4 hydride and in hydrogenated eutectic (Mg/Mg2Ni)Hx./sub Kinetika desorpce vodíku Mg2NiH4 hydridu a navodíkovaném eutektiku (Mg/Mg2Ni)Hx./sub (cs) Desorption kinetics of hydrogen in Mg2NiH4 hydride and in hydrogenated eutectic (Mg/Mg2Ni)Hx./sub (en)
skos:prefLabel	Desorption kinetics of hydrogen in Mg2NiH4 hydride and in hydrogenated eutectic (Mg/Mg2Ni)Hx./sub Kinetika desorpce vodíku Mg2NiH4 hydridu a navodíkovaném eutektiku (Mg/Mg2Ni)Hx./sub (cs) Desorption kinetics of hydrogen in Mg2NiH4 hydride and in hydrogenated eutectic (Mg/Mg2Ni)Hx./sub (en)
skos:notation	RIV/68081723:_____/09:00322049!RIV09-AV0-68081723
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA106/07/0010), Z(AV0Z20410507)
http://linked.open...iv/cisloPeriodika	-
http://linked.open...vai/riv/dodaniDat	2009
http://linked.open...aciTvurceVysledku	Čermák, Jiří Král, Lubomír
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
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	309739
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/09:00322049
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	intermetallic compounds; magnesium alloys; hydrogen-storage materials (en)
http://linked.open.../riv/klicoveSlovo	intermetallic compounds magnesium alloys hydrogen-storage materials
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[C5697664FE3E]
http://linked.open...i/riv/nazevZdroje	Defect and Diffusion Forum
http://linked.open...in/vavai/riv/obor	BJ
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (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	2009
http://linked.open...v/svazekPeriodika	283-286
http://linked.open...iv/tvurceVysledku	Král, Lubomír Čermák, Jiří
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing
issn	1012-0386
number of pages	11 (xsd:int)

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