Electroreduction of carbon dioxide using platinum-iridium modified boron-doped diamond (BDD) with various platinum-iridium ratios

M. H. Saprudin, S. R. Atriardi, J. Gunlazuardi, Y. Einaga, T. A. Ivandini

Research output: Contribution to journalConference article

Abstract

Modification of boron-doped diamond (BDD) electrodes with bimetallic platinum-iridium was studied. Combination techniques of wet chemical seeding and electrochemical deposition were performed with various Pt-Ir precursor ratios of (1:1), (1:2) and (2:1). These electrodes were then applied for electrochemical reduction of CO2 dissolved in 0.1 M NaCl solution at the potentials of-1.1 V,-1.2 V,-1.3 V, and-1.5 V (vs Ag/AgCl) for 60 min. Electroreduction of CO2 applied at PtIr(2:1)-BDD at the potential of-1.1 V (vs Ag/AgCl) produced formic acid, methanol and hydrogen as the main products.

Original languageEnglish
Article number012051
JournalIOP Conference Series: Materials Science and Engineering
Volume763
Issue number1
DOIs
Publication statusPublished - 2020 Apr 28
Event3rd International Symposium on Current Progress in Functional Materials 2018, ISCPFM 2018 - Depok, Indonesia
Duration: 2018 Aug 82018 Aug 9

Keywords

  • CO electroreduction
  • bimetal
  • boron-doped diamond
  • iridium
  • platinum

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering(all)

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