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Liquid hydrogen is currently transported and stored using ball storage devices. However, these are not optimal for large-scale use. A European consortium led by the Federal Institute for Materials Research and Testing (BAM) is therefore working on a new, groundbreaking storage concept. The goal is to increase the capacity of suitable containers by 40 times while reducing costs by 80 percent.

Liquid hydrogen (LH2) is transported and stored at minus 253 degrees Celsius because it then has a particularly high energy density. Due to the extremely cold temperatures, thermal insulation is particularly important. So far, the large LH2 storage tanks have been designed in a similar way to the small tanks for liquid natural gas: they have a spherical shape to better withstand the pressure and minimize storage losses. They also have a double wall that is difficult to produce and serves as thermal insulation.