Hydrolux develops new storage method for hydrogen

The South Korean company Hydrolux recently unveiled the development of a new storage method for hydrogen with high safety and efficiency. The so-called Hydrolux alloy is a storage of the gas in a solid, not as usual under high pressure or as a liquefied gas. The company emphasises that it is now possible to store and retrieve hydrogen at room temperature, while at the same time increasing the amount of stored gas or decreasing its volume. The maximum storage capacity of the new alloy is 3.3 per cent of the total weight of a body made of the new material. Previous alloys only achieve around 1.8 per cent. This means that about twice the amount of hydrogen can be stored. Storage methods of this type usually require KGS registration to be approved in Korea.

Due to the low pressure during filling, a compressor can also be omitted, which simplifies storage and transport. Compared to a 45 Mpa pressure vessel trailer currently under development, the novel method is superior in terms of storage capacity, weight and volume. Hydrolux was established in September 2021 and was financially supported by the POSCO Group after completing a demonstration model. In addition, the government selected Hydrolux as a start-up under the “TIPS” (Tech Incubator Program for Start-ups) project. Hydrolux plans to build a production plant in the current year and then start full-scale production.

The Korea Gas Safety Corporation (KGS) is a government organisation under the Ministry of Trade, Industry and Energy (MOTIE). Gas safety regulations in Korea began in 1974 with the passage of the Compressed Gas Control Act. In 1995, the Institute of High Pressure Gas Safety was established, and after several restructurings, the Korea Gas Safety Corporation (KGS) was established in 2001. One year later, KGS was affiliated to MOTIE. KGS was accredited as a Korean Notified Body in 2006 and was also accredited to conduct KCs certification and testing of explosion-proof electrical equipment.

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Julian Busch

About the author: Julian Busch is the founder and managing director of MPR International GmbH

Publisher: MPR International GmbH

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