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Research Article

Lattice-distorted Pt wrinkled nanoparticles for highly effective hydrogen electrocatalysis

Xue Li1,§Xiang Han1,§Zhenrui Yang1Shun Wang1Yun Yang1Juan Wang1( )Jiadong Chen2( )Zhongwei Chen3( )Huile Jin1,2( )
Wenzhou Key Lab of Advanced Energy Storage and Conversion, Zhejiang Province Key Lab of Leather Engineering, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China
Institute of New Materials and Industry Technology, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China
Department of Chemical Engineering, Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada

§ Xue Li and Xiang Han contributed equally to this work.

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Graphical Abstract

The lattice-distorted Pt wrinkled nanoparticles (LD-Pt WNPs) was successfully realized as highly efficient catalysts for hydrogen electrocatalysis, on which lattice-distorted optimize the adsorption of intermediates and reduce the energy barrier of Volmer step, thereby promoting the reaction kinetics of hydrogen evolution reaction and hydrogen oxidation reaction.


Modulating Pt surfaces through the introduction of lattice distortion emerges as immensely effective strategy that enhances the kinetics of alkaline hydrogen evolution and oxidation processes. In this study, we fabricated lattice-distorted Pt wrinkled nanoparticles (LD-Pt WNPs) for efficient hydrogen electrocatalysis. The LD-Pt WNPs not only outperform the Pt/C benchmark in hydrogen oxidation reaction, achieving an excellent mass-specific current of 968.5 mA·mgPt−1 (9 times that of Pt/C), but also demonstrate outstanding hydrogen evolution reaction activity with a small overpotential of 58.0 mV. Comprehensive experiments and density functional theory calculations reveal that lattice defects introduce an abundance of unsaturated coordination atoms while modifying the d-band center of Pt. This dual effect optimizes the binding strength of crucial H and OH intermediates, leading to a significant reduction in the energy barrier of the reaction bottleneck, commonly known as the Volmer step. This work unveils a fresh viewpoint on projecting and developing high efficiency electrocatalysts through defect engineering.

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Nano Research
Pages 3819-3826
Cite this article:
Li X, Han X, Yang Z, et al. Lattice-distorted Pt wrinkled nanoparticles for highly effective hydrogen electrocatalysis. Nano Research, 2024, 17(5): 3819-3826.






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Received: 22 September 2023
Revised: 08 November 2023
Accepted: 09 November 2023
Published: 02 January 2024
© Tsinghua University Press 2023