Hydrogen is one of the preferred options for the energy transition. It can be native or produced using different technologies, in which case it must then be stored, in particular in underground geological formations. Whatever the case, the question of the circulation of hydrogen, a very light and reactive gas, in the subsoil arises.
Hydrogen storage in geological porous media is the most suitable alternative in which hydrogen is stored in deep geological formations in a similar manner to natural gas or CO2. The literature of hydrogen storage in subsurface porous media is relatively sparse compared to hydrocarbon or CO2 storage in the subsurface. Storage of hydrogen in geological formations has been considered in connection with large-scale use of hydrogen, as well as for storage and regeneration of electric power from intermittent renewable sources such as wind energy. Candidates are salt domes, aquifers and rock cavities. The present research activity tries to highlight the conditions for storing hydrogen in such formations by investigating the potential for storage of hydrogen in various porous subsurface media.
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