# CO 2 electrolysis to multicarbon products in strong acid

“CO 2 electrolysis to multicarbon products in strong acid” (2021), by Jianan Erick Huang et al. Energy research paper. Original abstract below, unchanged. A free PDF is available.

- Authors: Jianan Erick Huang, Fengwang Li, Adnan Ozden, Armin Sedighian Rasouli, Francisco Pelayo García de Arquer, Shijie Liu, Shuzhen Zhang, Mingchuan Luo, Xue Wang, Yanwei Lum et al.
- Published: June 3, 2021
- Field: Energy
- DOI: https://doi.org/10.1126/science.abg6582
- Free PDF: https://utoronto.scholaris.ca/bitstreams/ff05e791-8dd9-4caf-afd7-a2ed9d3b087e/download

## Abstract

Potassium helps CO 2 compete in acid Electrochemical reduction of carbon dioxide (CO 2 ) is a promising means of converting this greenhouse gas into valuable fuels and chemicals. However, two competing reactions restrict the efficiency of this process. In base, much of the CO 2 is trapped as carbonate before reduction; in acid, protons outpace CO 2 at catching electrons from the cathode. Huang et al. report that a high dose of potassium ions can help to solve the latter problem. By concentrating potassium ions at the electrode, high selectivity toward CO 2 reduction at high current in acid is possible, which the authors attribute to electrostatic stabilization of the desired adsorbates. Science , abg6582, this issue p. 1074

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