Cited by 247Electrocatalysts for Energy ConversionCO2 Reduction Techniques and CatalystsFuel Cells and Related Materials

Principles of Designing Electrocatalyst to Boost Reactivity for Seawater Splitting

Liu, Xiaobin, Chi, Jingqi, Mao, Huimin, Wang, Lei·2023·Advanced Energy Materials

Abstract

Directly seawater electrolysis would be a transformative technology for large‐scale carbon‐neutral hydrogenproduction without relying on pure water. However, current seawater splitting is challenged by detrimental chlorine chemistry, the sluggish kinetics, and the existence of impurities/precipitates, making it more difficult than pure water splitting. So far, tremendous efforts have been made to develop electrocatalysts to boost the electrocatalytic hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) activities for seawater‐based electrolyzers. To get further insights into the current achievements and future perspectives of the catalysts for seawater electrolysis, general principles are summarized for a comprehensive optimization, ranging from active sites, electrochemical interface, to electron transfer path, to fully improve electrocatalytic performance for seawater electrolysis. Then, aiming at the different challenges of the cathode and anode for seawater electrolysis, unique strategies to design effective cathodic and anodic catalysts, such pH design criterion, selective HER/OER, and Cl − blocking layers, are discussed, respectively. Also, several future fields which are worthy for further exploration as rational extensions of developing electrocatalysts toward practical applications are put forward.

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Crossref · 10.1002/aenm.202301438

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194 of 194 references verified0 citation errors · 0 not checkable

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Authors
Liu, X., Chi, J., Mao, H., & Wang, L.
Affiliations
Qingdao University of Science and Technology (CN)
Corresponding author
Wang, Lei
Venue
Advanced Energy Materials
Publisher
Wiley
Published
2023-06-27
Volume
13
Issue
31
ISSN
  • 1614-6832 (ISSN-L)
  • 1614-6840
OpenAlex
W4382402605
Cited by
247
References
194
Citations by year
2026: 62 · 2025: 97 · 2024: 80 · 2023: 8
FWCI
11.80
Type
journal article
Language
en
Open access
closed
Locations
Advanced Energy Materials (publishedVersion)
Funders
  • National Natural Science Foundation of China (51772162, 52072197, 52174283)
  • Natural Science Foundation of Shandong Province (ZR2021QE165, ZR2020ZD09)
  • Postdoctoral Innovation Project of Shandong Province (202102039)
  • Higher Education Discipline Innovation Project (D20017)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › CO2 Reduction Techniques and Catalysts
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Fuel Cells and Related Materials
Keywords
seawater electrolysis, electrocatalyst design, hydrogen evolution reaction, oxygen evolution reaction, chlorine evolution suppression, active site, electrochemical interfaces, anode catalysts, cathode catalysts, hydrogen production

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