Generation of nanopores during desorption of NH3 from Mg(NH3)6Cl2

Jens Strabo Hummelshøj, Rasmus Zink Sørensen, M.Y. Kostova, Tue Johannessen, Jens Kehlet Nørskov, Claus H. Christensen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

It is shown that nanopores are formed during desorption of NH3 from Mg(NH3)6Cl2, which has been proposed as a hydrogen storage material. The system of nanopores facilitates the transport of desorbed ammonia away from the interior of large volumes of compacted storage material. DFT calculations show that there exists a continuous path from the initial Mg(NH3)6Cl2 material to MgCl2 that does not involve large-scale material transport. Accordingly, ammonia desorption from this system is facile.

Original languageEnglish
JournalJournal of the American Chemical Society
Volume128
Pages (from-to)16-17
ISSN0002-7863
DOIs
Publication statusPublished - 2006

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