Page 42: of Offshore Engineer Magazine (Jul/Aug 2024)

41 43

TECH TALK HYDROGEN

In-situ direct electrolysis of seawater without desalination for hydrogen production live test.

Floating platform for renewable energy utilization and seawater hydrogen production.

Shenzhen University Shenzhen University “If you're Japan or South Korea or somewhere that power in June 2023. The demonstration achieved stable, doesn't have any other options, and you want to import continuous operation for over 240 hours.

molecules for energy, what you're admitting is that your The researchers claim that the elimination of seawater major industries are going to be completely bankrupt. transportation, desalination and the treatment of the brine

There are economic competitors in the world that will be produced reduces the costs of hydrogen production to using electricity directly and paying about a tenth as much slightly higher than the cost of grey hydrogen from coal per joule for energy as you are.” and signifcantly lower than the cost of blue hydrogen de-

Still, On December 16, 2022, a mere 16 days after the rived from natural gas. publication of a seawater desalination research paper by The plan now is to make the technology more effcient,

Shenzhen University researchers, Dongfang Electric Cor- more stable, more scalable and more intelligent. This, they poration made a dedicated investment of 30 million RMB say, will lead to a comprehensive zero-carbon hydrogen en- ($4.2 million) to help develop the technology. This re- ergy development pathway in China and distinctive elec- sulted in the world’s frst successful test of direct seawater trolysis hydrogen production industrial models.

electrolysis for hydrogen production offshore from wind Economic folly? Time will tell.

42 OFFSHORE ENGINEER OEDIGITAL.COM