Synthesize electrode material based on rGO/Polyacrylic acid prepared by a combination of direct ink writing technique and UV irradiation

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Authors

  • Do Thi Thuy (Corresponding Author) Institute of Chemistry and Materials, Academy of Military Science and Technology
  • Nguyen Tuan Dung Institute for Tropical Technology, Vietnam Academy of Science and Technology
  • Ngo Tien Quyet VNU University of Science

DOI:

https://doi.org/10.54939/1859-1043.j.mst.95.2024.64-71

Keywords:

Composite; Graphene oxide; Polyacrylic acid; Capacitor.

Abstract

In this work, the rGO/polyacrylic acid (rGO/PAA) composite film was synthesized using the 3D direct ink writing technique with GO/acrylic acid (GO/AA) ink and UV irradiation. Results show that after a UV irradiation time of 3.6 seconds, GO was reduced into rGO, and AA was polymerized into PAA. The prepared material was characterized by using Fourier Transform Infrared Spectroscopy (FT-IR), Energy-dispersive X-ray spectroscopy (EDX), cyclic voltammetry (CV), and galvanostatic charge/discharge technique (GCD). The obtained composite film is applied as an electrode for the supercapacitor. The electrode has a specific capacity of 321 F/g at a current density of 1 A/g and retains 82% of its initial capacity after 5,000 charge/discharge cycles at a current density of 5 A/g.

References

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Published

20-05-2024

How to Cite

Do Thi Thuy, Nguyen Tuan Dung, and Ngo Tien Quyet. “Synthesize Electrode Material Based on rGO/Polyacrylic Acid Prepared by a Combination of Direct Ink Writing Technique and UV Irradiation”. Journal of Military Science and Technology, vol. 95, no. 95, May 2024, pp. 64-71, doi:10.54939/1859-1043.j.mst.95.2024.64-71.

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