In Situ Formation of TiB<inf>2</inf> Nanoparticles for Enhanced Dehydrogenation/Hydrogenation Reaction Kinetics of LiBH<inf>4</inf>-MgH<inf>2</inf> as a Reversible Solid-State Hydrogen Storage Composite System

Fahim Karimi, María V.C. Riglos, Antonio Santoru, Armin Hoell, Vikram S. Raghuwanshi, Chiara Milanese, Nils Bergemann, Claudio Pistidda, Pau Nolis, Maria D. Baro, Gökhan Gizer, Thi Thu Le, P. Klaus Pranzas, Martin Dornheim, Thomas Klassen, Andreas Schreyer, Julián Puszkiel

Research output: Contribution to journalArticleResearchpeer-review

19 Citations (Scopus)

Abstract

© 2018 American Chemical Society. To enhance the dehydrogenation/rehydrogenation kinetic behavior of the LiBH4-MgH2 composite system, TiF4 is used as an additive. The effect of this additive on the hydride composite system has been studied by means of laboratory and advanced synchrotron techniques. Investigations on the synthesis and mechanism upon hydrogen interaction show that the addition of TiF4 to the LiBH4-MgH2 composite system during the milling procedure leads to the in situ formation of well-distributed nanosized TiB2 particles. These TiB2 nanoparticles act as nucleation agents for the formation of MgB2 upon dehydrogenation process of the hydride composite system. The effect of TiB2 nanoparticles is maintained upon cycling.
Original languageEnglish
Pages (from-to)11671-11679
JournalJournal of Physical Chemistry C
Volume122
Issue number22
DOIs
Publication statusPublished - 7 Jun 2018

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