Towards a new avenue for rapid synthesis of electrocatalytic electrodes via laser-induced hydrothermal reaction for water splitting

Yang Sha, Menghui Zhu, Kun Huang, Yang Zhang, Francis Moissinac, Zhizhou Zhang, Dongxu Cheng, Paul Mativenga, Zhu Liu

Research output: Contribution to journalArticlepeer-review

Abstract

Highlights Electrodes with NiMoO4 nanosheet arrays were fabricated by rapid laser scanning over nickel foam in a precursor solution. The LIHR method significantly increased the production rate 19 times faster, using only 27.78% of the energy compared to conventional hydrothermal methods. The integrated electrode IE-NiMo-LR exhibits superior hydrogen evolution reaction performance, requiring low overpotentials to achieve high current densities and maintaining stability over 350 h. The IE-NiMo-LR/IE-NiFe-L pair efficiently splits water, needing only 1.55 V to reach 100 mA·cm−2 in 1 M KOH electrolyte.

Original languageEnglish
Article number015502
JournalInternational Journal of Extreme Manufacturing
Volume6
Issue number1
Early online date1 Nov 2023
DOIs
Publication statusPublished - Feb 2024

Keywords

  • electrocatalytic electrode
  • energy consumption
  • hydrogen evolution reaction
  • laser-induced hydrothermal reaction
  • NiFe layered double hydroxides
  • production rate
  • water splitting

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