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Preparation and Application of Porous Metallic Glasses via Aging-Assisted Ultrasonic Vibration and Compression

  • 0Shenzhen Key Laboratory of High Performance Nontraditional Manufacturing, College of Mechatronics and Control Engineering, Shenzhen University, Shenzhen 518060, China.
Materials (basel, Switzerland) +

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December 31, 2025

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December 31, 2025

View abstract on PubMed

Summary

This summary is machine-generated.

Ultrasonic vibration treatment enhances porous metallic glasses (MGs) for energy applications. This method improves catalytic activity and surface area, offering a new path for high-performance energy storage and conversion materials.

Area Of Science

  • Materials Science
  • Electrochemistry
  • Energy Storage and Conversion

Background

  • Enhanced energy efficiency relies on advancements in energy storage and conversion.
  • Porous metallic glasses (MGs) show potential as catalysts for these applications.

Purpose Of The Study

  • To prepare uniform porous structures in metallic glasses using aging-assisted ultrasonic vibration (AAUV).
  • To investigate the effect of ultrasonic treatment on the energy state and structure of Zr62Cu15.5Ni12.5Al10 MGs.
  • To evaluate the electrochemical and catalytic performance of the treated MGs.

Main Methods

  • Preparation of porous metallic glasses using aging-assisted ultrasonic vibration (AAUV).
  • Ultrasonic treatment of Zr62Cu15.5Ni12.5Al10 MGs.
  • Electrochemical testing, including corrosion potential and electrochemical surface area measurements.
  • Catalytic performance evaluation in alkaline media for oxygen evolution reaction (OER) and hydrogen evolution reaction (HER).

Main Results

  • Ultrasonic treatment enhanced the energy state while preserving the amorphous structure of the MGs.
  • Dealloyed UV-treated samples exhibited a >200-fold increase in electrochemical surface area.
  • The dealloyed MGs showed uniform porous structures with Cu-enriched zones.
  • Exceptional catalytic performance was observed in alkaline media: 350 mV for OER and 163 mV for HER.

Conclusions

  • AAUV is an effective method for creating uniform porous structures in MGs.
  • UV treatment significantly improves the electrochemical activity and catalytic performance of MGs.
  • These findings offer new insights into energy-state engineering for developing high-performance MGs for energy applications.

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