Compressed hydrogen is delivered in a variety of containers, depending on the quantity of hydrogen required.

Liquefaction of hydrogen requires cooling to a temperature of -253 °C and subsequent storage in cryogenic containers. Liquefaction is an energy intensive process and can consume up to 35% of the energy in the stored hydrogen.

In some specific cases, a hydrogen refuelling station is located nearby or on top of a hydrogen pipeline. In that case,  the hydrogen only needs to be compressed, cooled and dispensed.

Water electrolysis comprises the splitting of water molecules into their constituent parts (H2 and O2) by passage of an electrical current.

The vast majority of hydrogen produced worldwide is generated by a process of breaking up hydrocarbon molecules into H2 and CO – this process is called reformation. Reformation is performed on an industrial scale, typically using natural gas (methane, CH4) as a feedstock.

Several electrochemical processes in industry, such as the production of chlorine, produce hydrogen as a “waste” or by- product . This by-product is a very clean A-Grade product that is very well suited for fuel cell vehicles and applications.

Hydrogen supply: there are two options for hydrogen supply – it can be delivered to the site or it can be generated on-site. 

Hydrogen storage: if hydrogen is delivered as a liquid, a cryogenic storage vessel will be required on the site to maintain the temperature in the liquid range (hydrogen has to be cooled down to -253°C). Hydrogen will be decanted from a tanker truck into the storage vessel.

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