Journal
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 15, Issue 16, Pages 5814-5820Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cp50515d
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Funding
- University of Queensland
- Australian Research Council
- Queensland State Government
- Australian National Computational Infrastructure Facility
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We propose a new mechanism for destabilizing Mg-H bonding by means of a combination of the size effect and MgH2-carbon scaffold interfacial bonding, and experimentally realize low temperature hydrogen release starting from 50 degrees C using an MgH2@CMK-3 nanoconfinement system (37.5 wt% MgH2 loading amount). Based on computational calculations, it is found that the charge transfer from MgH2 to the carbon scaffold plays a critical role in the significant reduction of thermodynamics of MgH2 dehydrogenation. Our results suggest how to explore an alternative route for the enhancement of nano-interfacial confinement to destabilize the Mg-H hydrogen storage system.
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