Hydrogen supply
In principle hydrogen can be transported by using all the discussed storage technologies. Tank sizes will be rather big corresponding to the technologies.
Liquid hydrogen can be transported with trucks either in special trailers or in containers. In the USA there even exists a pipeline for liquid hydrogen of several hundreds of metres in length at the Cape Canaveral NASA facilities.
Pressurized hydrogen today is delivered in mobile pressure tanks by truck or train from producer to consumer. In addition there is the option to build a pipeline system for the delivery of hydrogen which would principally correspond to our present natural gas mains. One day every household could be supplied with hydrogen instead of natural gas.
In the Ruhr Basin and in Leuna there has been a pipeline grid for hydrogen with a length well over 100 km for several decades. It is working without any problems. World-wide there are about 1000 km of hydrogen pipelines in operation.
Ships for the transport of liquid hydrogen could be very similar to the tankers for liquid natural gas which are used today. But new concepts for ships specially for the transport of liquid hydrogen have been designed in detail as well.
As long as there are only small amounts of hydrogen to be transported intercontinentally the transport in containers makes sense. These containers for liquid hydrogen are standardised and they can be transported world-wide with ships, trains and trucks. And they can be transferred in every container-terminal.
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