2022 Roadmap on Low Temperature Electrochemical CO2 Reduction: Mechanistic 
insight into the electrocatalytic reduction of CO2 via operando spectroscopy 
and microscopy methods

Chee, See Wee; Roldan Cuenya, Beatriz

doi:/10.1088/2515-7655/ac7823

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2022 Roadmap on Low Temperature Electrochemical CO₂ Reduction: Mechanistic insight into the electrocatalytic reduction of CO₂ via operando spectroscopy and microscopy methods

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Chee, See Wee
Interface Science, Fritz Haber Institute, Max Planck Society;

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Roldan Cuenya, Beatriz
Interface Science, Fritz Haber Institute, Max Planck Society;

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Citation

Chee, S. W., & Roldan Cuenya, B. (2022). 2022 Roadmap on Low Temperature Electrochemical CO₂ Reduction: Mechanistic insight into the electrocatalytic reduction of CO₂ via operando spectroscopy and microscopy methods. Journal of Physics: Energy, 4(4): 042003. doi:/10.1088/2515-7655/ac7823.

Cite as: https://hdl.handle.net/21.11116/0000-000A-B83E-2

Abstract

Electrochemical CO₂ reduction is an attractive option for storing renewable electricity and for the sustainable production of valuable chemicals and fuels. In this roadmap, we review recent progress in fundamental understanding, catalyst development, and in engineering and scale-up. We discuss the outstanding challenges towards commercialization of electrochemical CO₂ reduction technology: energy efficiencies, selectivities, low current densities, and stability. We highlight the opportunities in establishing rigorous standards for benchmarking performance, advances in in operando characterization, the discovery of new materials towards high value products, the investigation of phenomena across multiple-length scales and the application of data science towards doing so. We hope that this collective perspective sparks new research activities that ultimately bring us a step closer towards establishing a low- or zero-emission carbon cycle.