Recent advances in non-noble metal-based bifunctional electrocatalysts for overall seawater splitting

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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  • Hao Zhang
  • Qian Liu
  • Xijun Liu
  • Shusheng Zhang
  • Jun Luo
  • Xinzhong Wang
  • Guangzhi Hu


Original languageEnglish
Article number166113
Journal / PublicationJournal of Alloys and Compounds
Online published6 Jul 2022
Publication statusPublished - 20 Nov 2022



Since seawater is one of the most abundant resources on earth, seawater electrolysis is becoming increasingly attractive for clean energy/hydrogen production. Although significant progress has been made recently, it is still challenging to obtain bifunctional electrocatalysts with high catalytic activity and durability suitable for seawater electrolysis because of the scarcity of precious metals and inadequate state-of-the-art materials for the overall reaction. The development of high-performance bifunctional electrocatalysts is crucial to the commercialization of overall seawater electrolysis and in this review, the mechanism and challenges of seawater electrolysis are introduced. Optimization strategies for different types of non-noble-metal-based electrocatalysts including structural regulation, interface regulation, doping regulation, in situ assembly, alloying, and amorphization are summarized to elucidate the relationship among composition, structure, and properties. Finally, the challenge and prospective for future development of non-noble-metal-based bifunctional catalysts are discussed. This paper aims at providing guidance and insights into the rational design of highly efficient catalytic materials for practical seawater splitting.

Research Area(s)

  • Bifunctional electrocatalysis, Non-noble metals, Seawater, Water splitting

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