CO <sub>2</sub> electrolysis to multicarbon products at activities greater than 1 A cm <sup>−2</sup>
F. Pelayo Garcı́a de Arquer(University of Toronto), Cao‐Thang Dinh(University of Toronto), Adnan Ozden(University of New Brunswick), Joshua Wicks(University of Toronto), Christopher McCallum(University of New Brunswick), Ahmad R. Kirmani(National Institute of Standards and Technology), Dae‐Hyun Nam(University of Toronto), Christine M. Gabardo(University of New Brunswick), Ali Seifitokaldani(University of Toronto), Xue Wang(University of Toronto), Yuguang Li(University of Toronto), Fengwang Li(University of Toronto), Jonathan P. Edwards(University of New Brunswick), Lee J. Richter(National Institute of Standards and Technology), Steven J. Thorpe(University of Toronto), David Sinton(University of New Brunswick), Edward H. Sargent(University of Toronto)
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Abstract
Graceful choreography for CO 2 and H 2 O One challenge for efficient electrochemical reduction of carbon dioxide (CO 2 ) is that the gas is hydrophobic, but many of its desirable reactions require water (H 2 O). García de Arquer et al. addressed this problem by combining a copper electrocatalyst with an ionomer assembly that intersperses sulfonate-lined paths for the H 2 O with fluorocarbon channels for the CO 2 . The electrode architecture enables production of two-carbon products such as ethylene and ethanol at current densities just over an ampere per square centimeter. Science , this issue p. 661
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