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Related Experiment Video

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
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Interconnected Molybdenum Carbide-Based Nanoribbons for Highly Efficient and Ultrastable Hydrogen Evolution.

Zhihua Cheng1, Jian Gao1, Qiang Fu1

  • 1Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology , Beijing 100081, P. R. China.

ACS Applied Materials & Interfaces
|June 16, 2017
PubMed
Summary

Researchers developed a novel molybdenum carbide nanostructure for efficient hydrogen production. This catalyst offers a low-cost, stable alternative to noble metals for the electrocatalytic hydrogen evolution reaction (HER).

Keywords:
exposure active siteshydrogen bubble releasehydrogen evolution reactionmolybdenum carbide nanoribbon assemblyultrastable performance

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Area of Science:

  • Materials Science
  • Electrochemistry
  • Catalysis

Background:

  • The electrocatalytic hydrogen evolution reaction (HER) is crucial for clean hydrogen fuel production.
  • Developing efficient, low-cost, and stable non-noble metal catalysts for HER remains a significant challenge.
  • Noble metal catalysts, while effective, are expensive and scarce, hindering widespread application.

Purpose of the Study:

  • To design and synthesize a novel three-dimensional molybdenum carbide (MoC)-based nanostructure for enhanced HER electrocatalysis.
  • To investigate the structure-property relationships governing the catalytic performance.
  • To evaluate the catalyst's efficiency and stability in both acidic and alkaline media as a potential replacement for noble metal catalysts.

Main Methods:

  • Synthesis of one-dimensional molybdenum carbide (MoC)-based nanoribbons embedded within nitrogen-doped crystallized carbon nanolayers (MoC@NC nanoribbon).
  • Characterization of the nanostructure's morphology, composition, and crystallinity using advanced techniques.
  • Electrochemical evaluation of the MoC@NC nanoribbon catalyst for HER in acidic and alkaline solutions, assessing activity and long-term stability.

Main Results:

  • The unique 3D architecture of MoC@NC nanoribbons provides abundant active sites and facilitates efficient mass/charge transport.
  • The nanostructure effectively accelerates hydrogen release from the reaction surface, enhancing catalytic kinetics.
  • The catalyst demonstrated superior electrocatalytic activity and stability in both acidic and alkaline environments.

Conclusions:

  • The rationally designed MoC@NC nanoribbon architecture is a highly promising non-noble metal catalyst for efficient and stable HER.
  • This material offers a viable, cost-effective alternative to noble metal catalysts for hydrogen production.
  • The findings pave the way for practical applications of advanced catalysts in clean energy technologies.