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Updated: Apr 18, 2026
Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production
Published on: December 6, 2021
Simultaneous phase and electronic structure regulation of MoC via B,N-doping and bimetallic synergy for efficient
Tongzhou Hong1,2, Fuxiang He2, Jin Jia2
1School of Mechanics and Optoelectronics Physics, Anhui University of Science and Technology, Huainan 232001, China. guangzhu@ahszu.edu.cn.
Abstract:
To address the challenges of poor H adsorption, agglomeration, and acidic instability in MoxC for HER, we synthesized Co,Ni-modified MoC nanocrystals embedded in a B,N-doped carbon matrix (Co,Ni-MoC@BNC) via molten-salt pyrolysis of POM@ZIF precursors. The catalyst achieves a low overpotential of 127 mV at 10 mA cm-2 and 30-h stability in 0.5 M H2SO4, outperforming commercial Pt/C at high current densities. Density functional theory calculations reveal that Co d-orbital and C p-orbital hybridization, modulated by B-doping, optimizes the hydrogen adsorption free energy (ΔGH* = 0.21 eV), approaching the ideal value.
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