Hydrogen electrolysis

Hydrogen electrolysis
Hydrogen electrolysis
If there is a large surplus of electricity in the power grid, it can be used to generate hydrogen by electrolysis. Hydrogen has a very high energy density, is versatile in use and can be stored for long periods of time. If necessary, stored hydrogen can be converted back into electricity, helping to cover demand peaks and stabilise the power grid.
Credit:

DLR/Ernsting.

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