电解海水耦合低电耗氧化反应辅助制氢技术现状及发展方向

Hydrogen production is considered to be a promising new hydrogen production method in the future. However, there are high overpotential and slow kinetic process of oxygen evolution reaction (OER), and corrosion of the electrode caused by chlorine evolution reaction (CER), which make the hydrogen production technology of seawater electrolysis face great challenges. In recent years, relevant studies have shown that coupling the anodic oxidation reaction of hydrazine, urea, sulfide, sugars, microplastics and other substances into the seawater electrolysis hydrogen production system can replace OER, avoid problems such as chlorine corrosion and achieve higher economic benefits. This paper systematically reviews the principle, challenges and the research status of related catalysts, focuses on the progress of the oxidation reaction of electrolytic seawater with low-energy consumption in recent years, and finally discusses the problems that need to be breakthrough and the future research direction.