{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Herranz D"],"funding":["Comunidad de Madrid"],"pagination":["4070"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12429331"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["18(17)"],"pubmed_abstract":["The electrochemical reduction in CO<sub>2</sub> (CO2RR) to syngas and value-added hydrocarbons offers a promising route for sustainable CO<sub>2</sub> utilization. This work develops tuneable Cu-Sn bimetallic catalysts via electrodeposition, optimized for CO2RR in a zero-gap flow cell fed with CO<sub>2</sub>-saturated KHCO<sub>3</sub> solution, a configuration closer to industrial scalability than conventional H-cells. By varying electrodeposition parameters (pH, surfactant DTAB, and metal precursors), we engineered catalysts with distinct selectivity profiles: Cu-Sn(B), modified with DTAB, achieved 50% Faradaic efficiency (FE) to CO at -2.2 V and -50 mA·cm<sup>-2</sup>, outperforming Ag-based systems that require higher overpotentials. Meanwhile, Cu-Sn(A) favoured C<sub>2</sub>H<sub>4</sub> (35% FE at -100 mA·cm<sup>-2</sup>), and Cu-Sn(C) shifted selectivity to CH<sub>4</sub> (26% FE), demonstrating product tunability. The catalysts' performance stems from synergistic Cu-Sn interactions and DTAB-induced morphological control, as revealed by SEM/EDX and electrochemical analysis. Notably, all systems operated at lower voltages than literature benchmarks while maintaining moderate CO<sub>2</sub> utilization (32-49% outlet). This study highlights the potential of electrodeposited Cu-Sn catalysts for energy-efficient CO2RR, bridging the gap between fundamental research and industrial application in syngas and hydrocarbon production."],"journal":["Materials (Basel, Switzerland)"],"pubmed_title":["Modified Cu-Sn Catalysts Enhance CO2RR Towards Syngas Generation."],"pmcid":["PMC12429331"],"funding_grant_id":["SI4/PJI/2024-00168"],"pubmed_authors":["Rodriguez M","Ocon P","Herranz D","Maroto A","Aviles Moreno JR"],"additional_accession":[]},"is_claimable":false,"name":"Modified Cu-Sn Catalysts Enhance CO2RR Towards Syngas Generation.","description":"The electrochemical reduction in CO<sub>2</sub> (CO2RR) to syngas and value-added hydrocarbons offers a promising route for sustainable CO<sub>2</sub> utilization. This work develops tuneable Cu-Sn bimetallic catalysts via electrodeposition, optimized for CO2RR in a zero-gap flow cell fed with CO<sub>2</sub>-saturated KHCO<sub>3</sub> solution, a configuration closer to industrial scalability than conventional H-cells. By varying electrodeposition parameters (pH, surfactant DTAB, and metal precursors), we engineered catalysts with distinct selectivity profiles: Cu-Sn(B), modified with DTAB, achieved 50% Faradaic efficiency (FE) to CO at -2.2 V and -50 mA·cm<sup>-2</sup>, outperforming Ag-based systems that require higher overpotentials. Meanwhile, Cu-Sn(A) favoured C<sub>2</sub>H<sub>4</sub> (35% FE at -100 mA·cm<sup>-2</sup>), and Cu-Sn(C) shifted selectivity to CH<sub>4</sub> (26% FE), demonstrating product tunability. The catalysts' performance stems from synergistic Cu-Sn interactions and DTAB-induced morphological control, as revealed by SEM/EDX and electrochemical analysis. Notably, all systems operated at lower voltages than literature benchmarks while maintaining moderate CO<sub>2</sub> utilization (32-49% outlet). This study highlights the potential of electrodeposited Cu-Sn catalysts for energy-efficient CO2RR, bridging the gap between fundamental research and industrial application in syngas and hydrocarbon production.","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Aug","modification":"2026-04-08T19:16:34.557Z","creation":"2026-04-08T12:11:08.218Z"},"accession":"S-EPMC12429331","cross_references":{"pubmed":["40942495"],"doi":["10.3390/ma18174070"]}}