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Related Experiment Video

Updated: Dec 25, 2025

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Self-Supported FeP-CoMoP Hierarchical Nanostructures for Efficient Hydrogen Evolution.

Qin Wang1, Zhiying Wang1, Yue Zhao2

  • 1Key Laboratory of Macromolecular Science of Shaanxi Province, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Laboratory for Advanced Energy Technology, School of Chemistry and Chemical Engineering, Shaanxi Normal University, 199 Chang'an Road, Chang'an District, Xi'an, Shaanxi, Province, China.

Chemistry, an Asian Journal
|April 1, 2020
PubMed
Summary

Highly efficient iron phosphide-cobalt molybdate phosphide hierarchical nanostructures (FeP-CoMoP HNSs) were synthesized for enhanced hydrogen evolution reaction (HER) catalysis. These novel nanostructures offer superior activity and durability for clean energy applications.

Keywords:
density functional theoryhierarchical nanostructurehydrogen evolution reactionsynergistic effecttransition metal phosphide

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Area of Science:

  • Materials Science
  • Electrochemistry
  • Catalysis

Background:

  • Electrochemical hydrogen generation is crucial for addressing the global energy crisis and environmental pollution.
  • Developing highly efficient electrocatalysts is a key challenge in this field.

Purpose of the Study:

  • To design and synthesize novel FeP-CoMoP hierarchical nanostructures (HNSs) for efficient hydrogen evolution reaction (HER).
  • To investigate the catalytic activity, durability, and underlying mechanism of the synthesized electrocatalysts.

Main Methods:

  • Fabrication of FeP-CoMoP HNSs using a self-sacrificing template method involving cobalt nanorods, solvothermal treatment, hydrothermal growth, and phosphorization.
  • Electrochemical characterization including overpotential, Tafel slope, and durability tests in alkaline media.
  • First-principles density functional theory (DFT) calculations to elucidate the origin of the enhanced HER activity.

Main Results:

  • The synthesized FeP-CoMoP HNSs exhibited high HER activity with an ultralow cathodic overpotential of 33 mV at 10 mA cm⁻².
  • The electrocatalyst demonstrated an excellent Tafel slope of 51 mV dec⁻¹ and superior electrochemical durability.
  • DFT calculations confirmed a synergistic effect between FeP and CoMoP contributing to the remarkable HER performance.

Conclusions:

  • The developed FeP-CoMoP HNSs represent a promising electrocatalyst for efficient and durable hydrogen production.
  • The rational design strategy and understanding of the synergistic effects provide valuable insights for future electrocatalyst development.