【3D Process Flow】Direct hydrogen production from seawater

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This post was last edited by HaiChuanLaoYu on 2026-1-22 at 16:43. [3D Process Flow] Summary Post – to facilitate learning about process flows: https://bbs.hcbbs.com/thread-5711616-1-1.html ---------------------------------------------------------- Direct hydrogen production from seawater is an emerging green hydrogen production technology; it involves using electrolysis or photocatalysis to split the water in seawater to produce hydrogen, without the need for prior desalination. This technology is mainly divided into two categories: one is the production of hydrogen through seawater electrolysis, which uses special electrode materials to overcome chloride ion corrosion and the competing reaction of chlorine evolution ； The second is photoelectrochemical hydrogen production, which utilizes semiconductor materials to directly split water under light. Key technologies include the development of high-performance catalysts, corrosion-resistant electrode materials, membrane separation techniques, and system integration optimization, which are expected to reduce hydrogen costs and address limitations in freshwater resources.