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Updated: Jan 9, 2026

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction
Published on: April 10, 2018
A Mo-guided self-reconstructed highly active NiOOH catalyst for a durable alkaline oxygen evolution reaction
Huihui Zhi1, Zhibei Liao1, Hao Jiang1
1Xi'an Key Laboratory of Functional Organic Porous Materials, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710129, PR China. zhanghepeng@nwpu.edu.cn.
None:
Alkaline water electrolysis (AWE) is vital for green hydrogen production but suffers from sluggish oxygen evolution reaction (OER) kinetics and poor electrode stability. Here, a facile and feasible Mo-guided self-reconstruction strategy was developed to construct an outstanding pure nickel-based OER electrocatalyst (γ-NiOOHMo-SR/NF). Benefiting from the in situ generated abundant high-valent Ni sites and interfacial hydrogen-bonding network, γ-NiOOHMo-SR/NF exhibited excellent OER activity and impressive long-term stability over 1100 h at 1.0 A cm-2, even exceeding 100 h at 3.0 A cm-2, outperforming most reported non-precious metal catalysts. In situ spectroscopic studies confirmed that the interfacial hydrogen-bonding network promoted OH- transport and suppressed local acidification, thereby endowing γ-NiOOHMo-SR/NF with superior OER performance. The present work is instructive for designing highly efficient Ni-based OER electrocatalysts.
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