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. 2024 Feb 26;15:1719. doi: 10.1038/s41467-024-46175-1

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© The Author(s) 2024

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 licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence 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 licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 4 — FE for CO production over (a) Ni-SACs, (b) Fe-SACs and (c) Co-SACs with different diameters as a function of applied current density measured in acidic electrolyte (0.1 M K₂SO₄ + H₂SO₄). All the error bars represent standard deviation based on three independent samples. d TOFs for CO production at −1.5 V vs RHE over Ni-SACs, Fe-SACs, and Co-SACs as function of SAC sphere diameter. e Stability test of Ni-SAC-250 catalyst at 200 mA cm⁻² measured in acidic electrolyte. Source data are provided as a Source Data file.