Copper-nickel-modified Boron-doped Diamond Electrode for CO2Electrochemical Reduction Application: A Preliminary Study

Prastika Krisma Jiwanti, Rani Puspitasari Aritonang, Imam Abdullah, Yasuaki Einaga, Tribidasari Anggraningrum Ivandini

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

CO2 electrochemical reduction (CO2ER) activity is known to be influenced by electrode materials. In this study, we report the fabrication of a copper-nickel-modified boron-doped diamond (CuNi-BDD) electrode using wet chemical seeding and electrodeposition. Annealing was performed to improve the stability of the modified electrode during electrolysis. Characterization of the modified BDD electrodes shows successful deposition without damage to the surface of the BDD support material. CO2ER was conducted with the CuNi-BDD electrode, which produces various important products including methanol, formic acid, CO, and CH4. Additionally, a different applied potential affected the product distribution. CO2ER was also conducted on the surfaces of Cu-BDD and Ni-BDD electrodes for comparison.

Original languageEnglish
Article number5
Pages (from-to)204-209
Number of pages6
JournalMakara Journal of Science
Volume23
Issue number4
DOIs
Publication statusPublished - Dec 2019

Keywords

  • boron-doped diamond
  • CO reduction
  • copper-nickel

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