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. 2023 May 27;14:3075. doi: 10.1038/s41467-023-38777-y

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© The Author(s) 2023

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 2 — The partial current density of a C₂H₄ and b CH₄ at different voltages (vs. RHE) for polycrystalline Cu, polycrystalline Pd₁Cu SAA, and shape-controlled Pd₁Cu SAAs. c Comparison of CO₂ reduction FE% and current densities of Pd₁Cu SAAs and their key counterparts. FE% analysis was performed by running an amperometric i-t curve at −1.1 V vs. RHE and quantifying the products over 30 min. The catalyst loading on the GDE was maintained at about 220 µg/cm² for these tests.