Issue 39, 2013

Thermodynamically destabilized hydride formation in “bulk” Mg–AlTi multilayers for hydrogen storage

Abstract

Thermodynamic destabilization of MgH2 formation through interfacial interactions in free-standing Mg–AlTi multilayers of overall “bulk” (0.5 μm) dimensions with a hydrogen capacity of up to 5.5 wt% is demonstrated. The interfacial energies of Mg–AlTi and Mg–Ti (examined as a baseline) are calculated to be 0.81 and 0.44 J m−2. The enhanced interfacial energy of AlTi opens the possibility of creating ultrathin alloy interlayers that provide further thermodynamic improvements in metal hydrides.

Graphical abstract: Thermodynamically destabilized hydride formation in “bulk” Mg–AlTi multilayers for hydrogen storage

Supplementary files

Article information

Article type
Communication
Submitted
27 Jun 2013
Accepted
25 Jul 2013
First published
29 Jul 2013

Phys. Chem. Chem. Phys., 2013,15, 16432-16436

Thermodynamically destabilized hydride formation in “bulk” Mg–AlTi multilayers for hydrogen storage

P. Kalisvaart, B. Shalchi-Amirkhiz, R. Zahiri, B. Zahiri, X. Tan, M. Danaie, G. Botton and D. Mitlin, Phys. Chem. Chem. Phys., 2013, 15, 16432 DOI: 10.1039/C3CP52706A

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