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Updated: Feb 28, 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
Cu-Co synergy enabling efficient tandem nitrate reduction to ammonia on engineered TiO2 nanofibers
Bingyan Shi1, Haoxin Cai1, Xin Wen1
1Innovation Center for Textile Science and Technology, Donghua University, Shanghai, 200051, China. hbdeng@whu.edu.cn.
None:
This study constructs a Cu1-Co1/TiO2 catalyst featuring diatomic sites anchored on TiO2 nanofibers. This architecture synergistically enables nitrate activation, reactive hydrogen species generation, and protonation of reaction intermediates. In neutral electrolyte environments, the catalyst effectively suppresses the hydrogen evolution reaction (HER), exhibiting exceptional selectivity for nitrate to ammonia conversion: at -0.9 V vs. RHE, it achieves a high NH3 yield rate of 8.99 mg h-1 cm-2 with a faradaic efficiency (FE) of 93.22%.
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