Nature Communications (Aug 2021)

Efficiency and selectivity of CO2 reduction to CO on gold gas diffusion electrodes in acidic media

  • Mariana C. O. Monteiro,
  • Matthew F. Philips,
  • Klaas Jan P. Schouten,
  • Marc T. M. Koper

DOI
https://doi.org/10.1038/s41467-021-24936-6
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 7

Abstract

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Large scale CO2 electrolysis to produce CO has mainly been performed in neutral and alkaline media. Here, we show that it can also be realized in acidic media, with faradaic efficiencies of 80–90%, and 30% better energy efficiency than obtained in neutral media.