Defect engineering and self-reconstruction directed stabilization of steady-state NiOOH on NiOx for durable oxygen evolution

Abstract

Cobalt and iron elements were incorporated into the defect-rich surface layer of NiOx, enabling dynamic reconstruction during the oxygen evolution reaction, which achieved a low overpotential of 280 mV at 10 mA cm-2 and maintained stable operation for 900 hours—18 times longer than that of the defect-rich NiOx.

Supplementary files

Article information

Article type
Communication
Submitted
05 Nov 2025
Accepted
17 Dec 2025
First published
31 Dec 2025

Catal. Sci. Technol., 2026, Accepted Manuscript

Defect engineering and self-reconstruction directed stabilization of steady-state NiOOH on NiOx for durable oxygen evolution

C. Wu, H. ZHU, H. Wang, X. Li and H. Pang, Catal. Sci. Technol., 2026, Accepted Manuscript , DOI: 10.1039/D5CY01316J

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