Long-Term Cycling of the Magnesium Hydrogen System

Allan Schrøder Pedersen, John Kjøller, Bent Larsen, B. Vigeholm, Jørgen Arendt Jensen

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Magnesium powder with a grain size of approximately 50γm was hydrogenated for 30 min and dehydrogenated the same time at 390°C, 515 times. A moderate loss in hydrogen storage capacity was observed and was ascribed to a measured decrease in reaction kinetics as the cycle number increased. The time for maximum hydrogen absorption was found to depend significantly on cycle number while the time for maximum desorption was found to be virtually independent of cycle number.
Original languageEnglish
JournalInternational Journal of Hydrogen Energy
Issue number9
Pages (from-to)791-802
Publication statusPublished - 1984


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