Issue 1, 2024

Metal nitrides for seawater electrolysis

Abstract

Electrocatalytic high-throughput seawater electrolysis for hydrogen production is a promising green energy technology that offers possibilities for environmental and energy sustainability. However, large-scale application is limited by the complex composition of seawater, high concentration of Cl leading to competing reaction, and severe corrosion of electrode materials. In recent years, extensive research has been conducted to address these challenges. Metal nitrides (MNs) with excellent chemical stability and catalytic properties have emerged as ideal electrocatalyst candidates. This review presents the electrode reactions and basic parameters of the seawater splitting process, and summarizes the types and selection principles of conductive substrates with critical analysis of the design principles for seawater electrocatalysts. The focus is on discussing the properties, synthesis, and design strategies of MN-based electrocatalysts. Finally, we provide an outlook for the future development of MNs in the high-throughput seawater electrolysis field and highlight key issues that require further research and optimization.

Graphical abstract: Metal nitrides for seawater electrolysis

Article information

Article type
Review Article
Submitted
31 Aug. 2023
First published
29 Nov. 2023

Chem. Soc. Rev., 2024,53, 163-203

Metal nitrides for seawater electrolysis

H. Hu, X. Wang, J. P. Attfield and M. Yang, Chem. Soc. Rev., 2024, 53, 163 DOI: 10.1039/D3CS00717K

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