Citation: Lei Zhang, Kaimin Chen, Luchang Li, Xiu Wei, Xianxin Cai, Yaohui Yu, Yixian Yang, Renping Cao, Fenghua Wei, Bang Lan, Yanhua Li, Xiaohu Luo, Hui Liang, Deshuai Zhen. One-pot synthesis of Ni–Co nanoparticles@Ni_0.19Co_0.26P nanowires core/shell arrays on Ni foam for efficient hydrogen evolution reaction at all pH values[J]. Chinese Chemical Letters, ;2026, 37(6): 111002. doi: 10.1016/j.cclet.2025.111002 shu

One-pot synthesis of Ni–Co nanoparticles@Ni_0.19Co_0.26P nanowires core/shell arrays on Ni foam for efficient hydrogen evolution reaction at all pH values

Lei Zhang ^a ,
Kaimin Chen ^a ,
Luchang Li ^a ,
Xiu Wei ^a ,
Xianxin Cai ^a ,
Yaohui Yu ^a ,
Yixian Yang ^a ,
Renping Cao ^a ,
Fenghua Wei ^a ,
Bang Lan ^a ,
Yanhua Li ^{c, *,} ,
Xiaohu Luo ^a ,
Hui Liang ^{a, *,} ,
Deshuai Zhen ^{b, *,}

a.
Northeast Guangdong Key Laboratory of New Functional Materials, Guangdong Rare Earth Photofunctional Materials Engineering Technology Research Center, Meizhou Rare Earth Photo functional Materials Engineering Technology Research Center, Office of Assets&Laboratory Management, School of Chemistry and Environment, Jiaying University, Meizhou 514015, China
b.
Hunan Key Laboratory of Typical Environment Pollution and Health Hazards, School of Public Health, Hengyang Medical School, University of South China, Hengyang 421001, China
c.
School of Materials Science and Engineering, Hunan Institute of Technology, Hengyang 421001, China

liyanhua87@hnu.edu.cn

lianghui861021@163.com

zhends.1987@163.com

Received Date: 17 December 2024
Revised Date: 11 February 2025
Accepted Date: 25 February 2025
Available Online: 26 February 2025

Figures(4)

Developing non-precious electrocatalysts with high-efficiency hydrogen evolution reaction (HER) activity for hydrogen production at all pH values is crucial for the application and promotion of water electrolysis. Herein, a unique structure of nickel-cobalt (Ni–Co) nanoparticles@Ni_0.19Co_0.26P nanowires core/shell arrays on Ni foam as a pH-universal electrocatalyst for hydrogen evolution is synthesized by a simple hydrothermal process and thermal reduction treatment. The morphological analysis reveals that numerous Ni–Co nanoparticles are densely packed inside the hollow interior of Ni_0.19Co_0.26P nanowires. This unique structure integrates the advantages of high surface area from the nanowires and enhanced electronic conductivity from the Ni–Co nanoparticles, effectively addressing the conventional issue of slow charge transfer rate in 3D metal-based compounds, which is typically caused by a long transfer distance. The electrocatalysts provide an excellent hydrogen evolution reaction performance in alkaline, neutral, and acidic media with an overpotential of 35, 36, and 23 mV to reach the current density of 10 mA/cm², respectively. This study highlights the potential of Ni–Co nanoparticles@Ni_0.19Co_0.26P nanowires as a cost-effective and pH-universal HER electrocatalyst, offering promising prospects for sustainable hydrogen production.
- HER,
- pH-universal electrocatalyst,
- Non-precious,
- Core-shell structure,
- High conductivity
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One-pot synthesis of Ni–Co nanoparticles@Ni0.19Co0.26P nanowires core/shell arrays on Ni foam for efficient hydrogen evolution reaction at all pH values

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通讯作者: 陈斌, bchen63@163.com

One-pot synthesis of Ni–Co nanoparticles@Ni_0.19Co_0.26P nanowires core/shell arrays on Ni foam for efficient hydrogen evolution reaction at all pH values