What question did this study set out to answer?

To investigate the performance of Pt nanoparticles loaded on Ni(OH)2 nanosheets for seawater and urea electro-oxidation.

January 25, 2026

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Pt nanoparticles loaded onto ultrathin Ni(OH) 2 nanosheets for enhanced seawater–urea electro-oxidation and hydrogen evolution at an industrial-grade current density

JTJie TianXinjiang University SWShiyu WangXinjiang University LWLili WangTsinghua University

Key Points

To investigate the performance of Pt nanoparticles loaded on Ni(OH)2 nanosheets for seawater and urea electro-oxidation.
Synthesis of Pt/Ni(OH)2 nanosheets under mild conditions.
Evaluation of electrochemical performance in alkaline solutions.
Comparison of performance in fresh and seawater environments.
Urea significantly reduces the decomposition voltage of seawater.
Enhanced electro-oxidation performance observed in both fresh and seawater.
Suppression of the competing cathodic hydrogen evolution reaction (CER).

Abstract

Pt/Ni(OH) 2 /NF was successfully prepared under mild conditions. The introduction of urea remarkably reduces the decomposition voltage of seawater, suppressing the CER. Therefore, it show excellent performance in alkaline fresh and seawater.

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Pt nanoparticles loaded onto ultrathin Ni(OH) 2 nanosheets for enhanced seawater–urea electro-oxidation and hydrogen evolution at an industrial-grade current density

Key Points

Abstract

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