Storage of hydrogen as a compressed gas is essential for hydrogen mobility applications and the distribution of hydrogen on the roads. Shipping of compressed hydrogen has also been proposed for short and medium distances. In all cases, robust gas cylinders are required to safely contain the hydrogen.
When designing a passenger car, space is at a premium. A good driving range is also expected. Therefore, high pressure storage of hydrogen is required and the standard pressure on board for a full tank is 700 bar.
Hydrogen distribution also requires a large quantity of hydrogen to be stored on the trailer. If more hydrogen can be transported in one journey, then fewer journeys, fewer vehicles and fewer drivers are required. Therefore, high pressure hydrogen storage favours economical compressed hydrogen distribution operations.
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