Chapter 20

Larger Scale Hydrogen Storage

Fritz Crotogino    R&D Department, KBB Underground Technologies GmbH, Hannover, Germany


Energy transition to a high proportion of fluctuating electricity obtained from fluctuating wind and solar power generators requires electricity to be stored at various scales. This chapter looks at grid-scale storage on the basis of electrolytically formed hydrogen. Previous forecasts indicate that an industrial country like Germany requires storage capacities in the double-figure terawatt range in the long term. Volumes of energy at this scale can only be stored in the form of hydrogen or in the form of methane synthesized by combining hydrogen with carbon dioxide—in other words, chemical methods. The main ...

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