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> "Building hydrogen storage requires nothing because you can reuse salt dome caverns previously used for natural gas." Note that at atmospheric (or any) press
by Reason077 6y ago
> "Building hydrogen storage requires nothing because you can reuse salt dome caverns previously used for natural gas."
Note that at atmospheric (or any) pressure, the volumetric energy density of hydrogen gas is less than 1/3 that of natural gas. You would need 3.2X more salt cavern space to store the same amount of energy.