Citation: Yuanyuan TIAN, Xiaofang MA, Xinyi LI, Jianjun ZHANG, Ruixue TIAN. In situ construction of Mo-Ni alloy self-supported electrodes via one-step electrochemical deposition for efficient electrocatalytic hydrogen evolution[J]. Chinese Journal of Inorganic Chemistry, ;2026, 42(10): 2193-2202. doi: 10.11862/CJIC.20260156 shu

In situ construction of Mo-Ni alloy self-supported electrodes via one-step electrochemical deposition for efficient electrocatalytic hydrogen evolution

School of Architectural Engineering, Shanxi College of Technology, Shuozhou, Shanxi 036000, China

Corresponding author: Yuanyuan TIAN, tyy20220418@163.com
Received Date: 6 May 2026
Revised Date: 25 August 2026

Figures(7)

A binder-free self-supported Mo-Ni alloy electrode was in-situ fabricated on a metallic Ti substrate through a facile one-step electrochemical deposition strategy. The microscopic morphology, crystal phase structure, and surface chemical valence state of the synthesized electrode were systematically characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS), confirming the successful formation of well-integrated Mo-Ni alloy active sites on the conductive substrate. Electrochemical tests demonstrated that the optimized Mo-Ni alloy electrode delivered prominent alkaline hydrogen evolution reaction (HER) activity, with a low overpotential of 107 mV at 10 mA·cm^-2. Notably, it achieved a further reduced overpotential of 95 mV in simulated seawater electrolyte. Moreover, the electrode exhibited remarkable long-term durability and robust catalytic stability under varied current density conditions.
- electrodeposition,
- self-supported electrode,
- molybdenum-nickel alloy,
- hydrogen evolution reaction
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