Citation: Jihong Li, Zhenying Feng, Xiaokun Sheng, Keren Chen, Jingming Ran, Luyao Li, Lei Shi, Tongzhou Wang, Yida Deng. Square-meter-scale nickel-based anode: Facile room-temperature construction for efficient industrial water electrolysis[J]. Chinese Chemical Letters, ;2025, 36(11): 111652. doi: 10.1016/j.cclet.2025.111652 shu

Square-meter-scale nickel-based anode: Facile room-temperature construction for efficient industrial water electrolysis

Jihong Li ^a ,
Zhenying Feng ^a ,
Xiaokun Sheng ^a ,
Keren Chen ^a ,
Jingming Ran ^a ,
Luyao Li ^a ,
Lei Shi ^{b, *,} ,
Tongzhou Wang ^{a, c, d, *,} ,
Yida Deng ^{a, c}

a.
State Key Laboratory of Tropic Ocean Engineering Materials and Materials Evaluation, School of Materials Science and Engineering, Hainan University, Haikou 570228, China
b.
State Key Laboratory of Inorganic Synthesis and Preparative Chemistry College of Chemistry, Jilin University, Changchun 130012, China
c.
Key Laboratory of Pico Electron Microscopy of Hainan Province, Hainan University, Haikou 570228, China
d.
Institute of Applied Physics and Materials Engineering, University of Macau, Macao SAR 999078, China

shilei18@mails.jlu.edu.cn

wangtz@hainanu.edu.cn

Received Date: 30 June 2025
Revised Date: 15 July 2025
Accepted Date: 30 July 2025
Available Online: 30 July 2025

Figures(6)

The development of cost-effective and energy-efficient anode materials is essential for the advancement of industrial water electrolysis. Herein, we report a rapid, ambient-temperature method to prepare large-area nickel mesh electrodes (SFN/NM) via surface functionalization completed within 3 min, without relying on thermal treatments or noble metals. The as-prepared electrodes achieve a high current density of 100 mA/cm² at an overpotential of just 300 mV in 6 mol/L KOH, and exhibit remarkable stability over 1600 h of continuous operation. With comparable activity to commercial Raney nickel yet significantly lower processing and material costs (reduced by 50%–70%), this approach provides a practical solution for low-energy water splitting. Beyond its industrial relevance, the strategy offers a scalable model for engineering high-performance OER electrodes, inspiring future directions in electrocatalyst design.
- Electrocatalysis,
- Water splitting,
- Square-meter-scale nickel mesh,
- Anode material,
- Nickel-based catalyst,
- Surface functionalization
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