Enabling large-scale hydrogen storage in porous media – the scientific challenges
Overview
Paper Summary
Large-scale underground hydrogen storage in porous media (UHSP) offers a promising solution for balancing renewable energy supply and demand. However, several scientific challenges, including hydrogen's unique properties, geochemical reactions, microbial activity, and geomechanical effects, must be addressed to ensure safe and efficient storage operations.
Explain Like I'm Five
Scientists are trying to store lots of special gas called hydrogen deep underground in rocks, like putting air in a sponge, to save sun and wind power for later. But they need to solve some tricky problems to make sure it's safe and works well.
Possible Conflicts of Interest
None identified.
Identified Limitations
Rating Explanation
This perspective paper comprehensively identifies the scientific challenges associated with large-scale underground hydrogen storage. It provides valuable insights into the complex interplay of hydrogen properties, geochemistry, microbiology, and geomechanics, which are crucial for safe and efficient storage operations. While acknowledging the vast potential of UHSP, the authors highlight the need for further research to address the identified uncertainties and optimize storage strategies.
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