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dc.contributor.author김지우-
dc.contributor.author안재평-
dc.contributor.author김도현-
dc.contributor.author정희석-
dc.contributor.author심재혁-
dc.contributor.author조영환-
dc.contributor.author오규환-
dc.date.accessioned2015-12-02T15:22:49Z-
dc.date.available2015-12-02T15:22:49Z-
dc.date.issued201005-
dc.identifier.citationVOL 62, NO 9, 701-704-
dc.identifier.issn1359-6462-
dc.identifier.other32074-
dc.identifier.urihttp://pubs.kist.re.kr/handle/201004/37199-
dc.description.abstractMicrostructural changes in NbF5-doped MgH2 during the dehydrogenation reaction (MgH2 →Mg + H2) have been investigated by in situ heating transmission electron microscopy. Nanocrystalline MgH2 shows fast hydrogen sorption kinetics, as well as a high density of defects induced by high-energy ball milling. Since the network-structured Nb layer covering Mg grains acts both as an impediment to grain growth of Mg and a gateway for hydrogen diffusion by forming metastable NbH1-x, the improved kinetics can be maintained during hydrogen cycling.-
dc.publisherScripta materialia-
dc.subjectHydrogen storage-
dc.subjectMgH2-
dc.subjectCatalyst-
dc.subjectNbF5-
dc.subjectTransmission electorn miscroscopy-
dc.subjectBall milling-
dc.subjectMicrostructure-
dc.subjectHydrides-
dc.titleIn situ transmission electron microscopy study on microstructural changes in NbF5-doped MgH2 during dehydrogenation-
dc.typeArticle-
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