articleJournal of the American Chemical SocietyMay 6, 2025Closed access

Corrosion Protection of Rare Earth for Kilowatt-Level Alkaline Seawater Electrolyzer

WSWei ShenYYYizhen YeYHYang HuHWHuimin WuQXQiujin Xia

Lanzhou University · Chinese Academy of Sciences · +7 more institutions

PubMed
Indexed incrossrefpubmed

Abstract

The competitive adsorption of Cl– caused by anode OH– consumption under high current density is an important factor restricting the development of an alkaline seawater electrolyzer (ASWE). Here, we propose a strategy for rare earth corrosion protection which utilizes oxygen friendly rare earths that do not participate in the reaction to adsorb OH– and maintain the surface environment for stable anodic catalysis in an ASWE. Differential electrochemical mass spectrometry (DEMS) and electrochemical quartz crystal microbalance (EQCM) were used to identify the causes of chlorine corrosion on the high current anode plate of traditional Ni mesh. In situ fluorescence spectra of…

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53
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FWCI
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100%
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33
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Authors

12

Topics & keywords

Topics
Keywords
  • Chemistry
  • Seawater
  • Alkaline earth metal
  • Corrosion
  • Electrolysis
  • Inorganic chemistry
  • Metallurgy
  • Environmental chemistry
UN Sustainable Development Goals
  • Life below water
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