Injecting hydrogen into subsurface environments could provide seasonal energy storage, but understanding of technical feasibility is limited as large-scale demonstrations are scarce. Now, field tests show that hydrogen can be stored and microbially converted to methane in a depleted underground hydrocarbon reservoir.
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Strous, M. Field testing hydrogen. Nat Energy 9, 238–239 (2024). https://doi.org/10.1038/s41560-024-01466-1
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DOI: https://doi.org/10.1038/s41560-024-01466-1
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