Hydrogen storage systems for mobile and stationary applications: an overview

Metal hydrides are considered a viable option for both vehicular and stationary hydrogen-based
storage technologies.
A large number of compounds has been identified and characterized at different levels of detail.
It is clear that the choice of the material is closely depended on the needs of the specific
application for the storage systems, which comprises the tank, the H2-carrier and the heat
transfer medium. In the frame of the “Hydrogen Storage Systems for Mobile and Stationary
Applications” Group in the International Energy Agency (IEA) Hydrogen Task 32 “Hydrogenbased
energy storage”, a recent survey [1] gives an overview of the use of hydrides both in
mature and innovative systems. Key parameters such as gravimetric and volumetric density of
the hydrogen carrier, heat management and tank design are shown to be crucial in affecting the
use of hydrides in different applications.
References:
[1] M. Dornheim et al., Int. Journal of Hydrogen Energy, in press, 2019.
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