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January 18, 2026Small

Synergistic Morphological and Electronic Engineering of NiFeOOH via Ultrafast Room Temperature Fabrication for Enhanced OER

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Authors

ZLZexin LiangPLPengfei LiuXYX. Y.

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Overview

This research demonstrates a fast method to create an effective oxygen evolution catalyst, improving green hydrogen production.

Key Points

  • The aim is to develop a low-cost and high-performance electrocatalyst for oxygen evolution through innovative fabrication techniques.
  • Used an ultrafast room-temperature approach to fabricate NiFeOOH directly on nickel foam in 30 seconds.
  • Created a biomimetic electrocatalyst with a hierarchical nanosheet architecture enriched with oxygen vacancies.
  • Employed in situ Raman spectroscopy and electrochemical impedance spectroscopy to analyze reaction kinetics and structural changes.
  • Achieved an oxygen evolution reaction activity with an overpotential of only 260 mV at 100 mA cm−2.
  • Demonstrated remarkable stability for over 100 hours.
  • Density functional theory confirmed that oxygen vacancies reduce energy barriers during the reaction.

Cite This Study

Liang et al. (2026) studied this question.

synapsesocial.com/papers/696c79cde45ebfc9113cd4b4https://doi.org/10.1002/smll.202514164
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