Journal
CHEMICAL COMMUNICATIONS
Volume 48, Issue 59, Pages 7334-7343Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2cc30740e
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Funding
- National Key Project on Basic Research [2010CB631301]
- National Natural Science Foundation of China [51101089]
- MOE Innovation Team [IRT0927]
- 111 Project [B12015]
- Tianjin Basic and High-Tech Development [12JCQNJC03900]
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Efficient hydrogen storage plays a key role in realizing the incoming hydrogen economy. However, it still remains a great challenge to develop hydrogen storage media with high capacity, favourable thermodynamics, fast kinetics, controllable reversibility, long cycle life, low cost and high safety. To achieve this goal, the combination of lightweight materials and nanostructures should offer great opportunities. In this article, we review recent advances in the field of chemical hydrogen storage that couples lightweight materials and nanostructures, focusing on Mg/MgH2-based systems. Selective theoretical and experimental studies on Mg/MgH2 nanostructures are overviewed, with the emphasis on illustrating the influences of nanostructures on the hydrogenation/dehydrogenation mechanisms and hydrogen storage properties such as capacity, thermodynamics and kinetics. In particular, theoretical studies have shown that the thermodynamics of Mg/MgH2 clusters below 2 nm change more prominently as particle size decreases.
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