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Related Experiment Videos

3D Printed Graphene Electrodes' Electrochemical Activation.

Michelle P Browne1, Filip Novotný1, Zdeněk Sofer1

  • 1Center for the Advanced Functional Nanorobots, Department of Inorganic Chemistry , University of Chemistry and Technology Prague , Technicka 5 , 166 28 Prague 6 , Czech Republic.

ACS Applied Materials & Interfaces
|November 7, 2018
PubMed
Summary

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3D printed graphene/polymer electrodes offer a cost-effective alternative for electrochemistry. A simple activation method significantly boosts their electrochemical performance for energy and sensing applications.

Area of Science:

  • Electrochemistry
  • Materials Science
  • Additive Manufacturing

Background:

  • Three-dimensional (3D) printing is revolutionizing electrode manufacturing for electrochemistry.
  • Metal 3D printed electrodes, while effective, are prohibitively expensive due to selective laser melting.
  • Graphene-based electrodes are a promising, cost-effective alternative but require activation for optimal performance.

Purpose of the Study:

  • To develop a simple activation method for 3D printed graphene/polymer electrodes.
  • To enhance the electrochemical activity of these electrodes for practical applications.
  • To establish a platform for on-demand activation of 3D printed electrodes.

Main Methods:

  • Utilized a combined solvent and electrochemical route for electrode activation.
Keywords:
3D printingelectron transferfunctionalized graphenegraphene/polylactic acid electrodeshydrogen evolution reaction

Related Experiment Videos

  • Investigated the electrochemical activity using the [Fe(CN)6]4-/3- redox couple.
  • Assessed performance for the hydrogen evolution reaction.

    • Main Results:

    • Demonstrated a significant increase in electrochemical activity after activation.
    • Showcased the effectiveness of the in situ activation method.
    • Validated the potential for widespread use of activated 3D printed graphene/polymer electrodes.

    Conclusions:

    • A facile activation process dramatically improves the electrochemical performance of 3D printed graphene/polymer electrodes.
    • This method provides an on-demand solution for enhancing electrode functionality.
    • Paves the way for broader adoption of affordable 3D printed electrodes in electrochemistry.