As an energy carrier, hydrogen holds the prominent advantages of high gravimetric energy density, high abundance, and zero emissions, yet its effective storage and transportation remain a bottleneck problem for the widespread applications of hydrogen energy.
Alloying, catalyzing, and nano-structuring have been proposed and applied to overcome the abovementioned drawbacks. Among these strategies, the introduction of the catalysts can change the local electronic configuration of Mg/MgHThe nanostructured Mg-based materials own the advantages of shortening the diffusion pathway and increasing surface reaction area, hence the hydrogen absorption and desorption rate can be significantly accelerated.
Core-shell nanostructured Mg-based hydrogen storage materials show excellent hydrogen absorption and desorption kinetics and long-term cycling performances. Besides, such a unique structure renders the composites someIn consideration of the above, Zou's group suggests a bright vision for the use of core-shell nanostructured Mg-based hydrogen storage materials in the future.
In the future, core-shell nanostructured Mg-based materials having better hydrogen sorption properties, such as lowered hydrogen desorption temperature, faster sorption speed and higher storage capacity, can be applied to further improve the performances of Mg-based hydrogen storage systems and broaden their application fields in hydrogen industry.
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