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Enhancement of the Catalytic Effect on the Electrochemical Conversion of CO 2 to Formic Acid Using MXene (Ti 3 C 2 T x )-Modified Boron-Doped Diamond Electrode

Author

Listed:
  • Prastika Krisma Jiwanti

    (Nanotechnology Engineering, Faculty of Advanced Technology and Multidiscipline, Airlangga University, Surabaya 60115, Indonesia)

  • Asmaul Mashad Alfaza

    (Department of Chemistry, Faculty of Science and Technology, Airlangga University, Surabaya 60115, Indonesia)

  • Grandprix T. M. Kadja

    (Division of Inorganic and Physical Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jl. Ganesha No. 10, Bandung 40132, Indonesia
    Center for Catalysis and Reaction Engineering, Institut Teknologi Bandung, Jl. Ganesha No. 10, Bandung 40132, Indonesia
    Research Center for Nanosciences and Nanotechnology, Institut Teknologi Bandung, Jl. Ganesha No. 10, Bandung 40132, Indonesia)

  • Suci A. C. Natalya

    (Division of Inorganic and Physical Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jl. Ganesha No. 10, Bandung 40132, Indonesia)

  • Fuja Sagita

    (Division of Inorganic and Physical Chemistry, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jl. Ganesha No. 10, Bandung 40132, Indonesia)

  • Yasuaki Einaga

    (Department of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan)

  • Aning Purwaningsih

    (Department of Chemistry, Faculty of Science and Technology, Airlangga University, Surabaya 60115, Indonesia)

  • Ilma Amalina

    (Nanotechnology Engineering, Faculty of Advanced Technology and Multidiscipline, Airlangga University, Surabaya 60115, Indonesia)

  • Intan Nurul Rizki

    (Nanotechnology Engineering, Faculty of Advanced Technology and Multidiscipline, Airlangga University, Surabaya 60115, Indonesia)

Abstract

The rising concentration of carbon dioxide (CO 2 ) as one of the greenhouse gases in the atmosphere is a major source of worry. Electrochemical reduction of CO 2 is one of many ways to convert CO 2 gas into usable compounds. An electrochemical technique was applied in this study to reduce CO 2 using a boron-doped diamond (BDD) working electrode modified with MXene (Ti 3 C 2 T x ) material to improve electrode performance. MXene concentrations of 0.5 mg/mL (MXene-BDD 0.5), 1.0 mg/mL (MXene-BDD 1.0), and 2.0 mg/mL (MXene-BDD 2.0) were drop-casted onto the BDD surface. MXene was effectively deposited on top of the BDD surface, with Ti weight loads of 0.12%, 4.06%, and 7.14% on MXene-BDD 0.5, MXene-BDD 1.0, and MXene-BDD 2.0, respectively. The modified working electrode was employed for CO 2 electroreduction with optimal CO 2 gas aeration. The existence of the MXene substance in BDD reduced the electroreduction overpotential of CO 2 . For the final result, we found that the MXene-BDD 2.0 electrode effectively generated the most formic acid product with a maximum reduction potential as low as −1.3 V (vs. Ag/AgCl).

Suggested Citation

  • Prastika Krisma Jiwanti & Asmaul Mashad Alfaza & Grandprix T. M. Kadja & Suci A. C. Natalya & Fuja Sagita & Yasuaki Einaga & Aning Purwaningsih & Ilma Amalina & Intan Nurul Rizki, 2023. "Enhancement of the Catalytic Effect on the Electrochemical Conversion of CO 2 to Formic Acid Using MXene (Ti 3 C 2 T x )-Modified Boron-Doped Diamond Electrode," Energies, MDPI, vol. 16(12), pages 1-11, June.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:12:p:4537-:d:1164560
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