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dc.contributor.authorShang, Longmeien_US
dc.contributor.authorLv, Ximengen_US
dc.contributor.authorZhong, Lixiangen_US
dc.contributor.authorLi, Shuzhouen_US
dc.contributor.authorZheng, Gengfengen_US
dc.identifier.citationShang, L., Lv, X., Zhong, L., Li, S. & Zheng, G. (2022). Efficient CO₂ electroreduction to ethanol by Cu₃Sn catalyst. Small Methods, 6(2), 2101334-.
dc.description.abstractElectrochemical carbon dioxide reduction to ethanol suggests a potential strategy to reduce the CO2 level and generate valuable liquid fuels, while the development of low-cost catalysts with high activity and selectivity remains a major challenge. In this work, a bimetallic, low-entropy state Cu3 Sn catalyst featuring efficient electrocatalytic CO2  reduction to ethanol is developed. This low-entropy state Cu3 Sn catalyst allows a high Faradaic efficiency of 64% for ethanol production, distinctively from the high-entropy state Cu6 Sn5  catalyst with the main selectivity toward producing formate. At an industry-level current density of -900 mA cm-2 , the Cu3 Sn catalyst exhibited excellent stability for over 48 h in a membrane-electrode based electrolyzer. Theoretical calculations indicate that the high ethanol selectivity on Cu3 Sn is attributed to its enhanced adsorption of several key intermediates in the ethanol production pathway. Moreover, the life-cycle assessment reveals that using the Cu3 Sn electrocatalyst, an electrochemical CO2 -to-ethanol electrolysis system powered by wind electricity can lead to a global warming potential of 120 kgCO2-eq for producing 1 ton of ethanol, corresponding to a 55% reduction of carbon emissions compared to the conventional bio-ethanol process.en_US
dc.description.sponsorshipNational Supercomputing Centre (NSCC) Singaporeen_US
dc.relation.ispartofSmall Methodsen_US
dc.rightsThis is the peer reviewed version of the following article: Shang, L., Lv, X., Zhong, L., Li, S. & Zheng, G. (2022). Efficient CO₂ electroreduction to ethanol by Cu₃Sn catalyst. Small Methods, 6(2), 2101334-, which has been published in final form at This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.en_US
dc.titleEfficient CO₂ electroreduction to ethanol by Cu₃Sn catalysten_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Materials Science and Engineeringen_US
dc.description.versionSubmitted/Accepted versionen_US
dc.subject.keywordsCO₂ Reductionen_US
dc.subject.keywordsCuSn Alloyen_US
dc.description.acknowledgementThe authors thank the following funding agencies for supporting this work: the National Key Research and Development Program of China (2018YFA0209401, 2017YFA0206901), the National Science Foundation of China (22025502, 21975051, 21773036), the Science and Technology Commission of Shanghai Municipality (21DZ1206800, 19XD1420400), and the Shanghai Municipal Education Commission (2019-01-07-00-07-E00045). The authors acknowledge financial support from the Academic Research Fund Tier 1 (RG8/20) and computing resources from the National Supercomputing Centre Singapore.en_US
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