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  • Mg2NiH4 exists in two low-temperature modifications: monoclinic LT1 and monoclinic microtwinned LT2. Three samples of Mg2NiH4 were prepared containing predominantly LT1 phase, predominantly LT2 phase and similar portions of both phases. Hydrogen desorption curves were measured and a parallel X-ray diffraction (XRD) study was performed. It was found that the great difference between amount of LT2 and LT1, measured by the ratio of the characteristic XRD peaks, leads to distinctly doublebranched desorption curves. The LT2 phase substantially decelerates the desorption of hydrogen.
  • Mg2NiH4 exists in two low-temperature modifications: monoclinic LT1 and monoclinic microtwinned LT2. Three samples of Mg2NiH4 were prepared containing predominantly LT1 phase, predominantly LT2 phase and similar portions of both phases. Hydrogen desorption curves were measured and a parallel X-ray diffraction (XRD) study was performed. It was found that the great difference between amount of LT2 and LT1, measured by the ratio of the characteristic XRD peaks, leads to distinctly doublebranched desorption curves. The LT2 phase substantially decelerates the desorption of hydrogen. (en)
  • Mg2NiH4 existuje ve dvou nízkoteplotních modifikacích: monoklinické LT1 a monoklinické mikrozdvojčatěné LT2. Tří vzorky Mg2NiH4 byly připraveny s obsahem převážně fáze LT1, s obsahem převážně fáze LT2 a s obsahem stejných podílů obou fází. Byly měřeny desorpční křivky vodíku a současně probíhalo studium pomocí rentgenové difrakce (XRD) Bylo zjištěno, že velký rozdíl mezi množstvím fáze LT2 a LT1 měřeno podílem chacrakteristických XRD peaků vede zřetelně ke vzniku desorpčních křivek s dvěma větvemi. Fáze LT2 podstatně snižuje desorpci vodíku. (cs)
Title
  • Influence of phase composition of Mg2NiH4 upon the hydrogen desorption kinetics
  • Influence of phase composition of Mg2NiH4 upon the hydrogen desorption kinetics (en)
  • Vliv fázového složení Mg2NiH4 na desorpční kinetiku vodíku (cs)
skos:prefLabel
  • Influence of phase composition of Mg2NiH4 upon the hydrogen desorption kinetics
  • Influence of phase composition of Mg2NiH4 upon the hydrogen desorption kinetics (en)
  • Vliv fázového složení Mg2NiH4 na desorpční kinetiku vodíku (cs)
skos:notation
  • RIV/68081723:_____/08:00308896!RIV09-AV0-68081723
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA106/07/0010), Z(AV0Z20410507)
http://linked.open...iv/cisloPeriodika
  • 4
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 372209
http://linked.open...ai/riv/idVysledku
  • RIV/68081723:_____/08:00308896
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • magnesium and nickel alloys; hydrides; hydrogen storage and desorption (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [076302B90A0E]
http://linked.open...i/riv/nazevZdroje
  • Scripta Materialia
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 59
http://linked.open...iv/tvurceVysledku
  • David, Bohumil
  • Čermák, Jiří
http://linked.open...ain/vavai/riv/wos
  • 000257615700016
http://linked.open...n/vavai/riv/zamer
issn
  • 1359-6462
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