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Fabrication of Cu-Sn alloy catalysts via one-step electrodeposition for efficient electroreduction of CO2 to formate
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Jiahe MIAO1, 2, 3, Song YANG1, Hao HU2, 3, Yadong BAI1, *, Yanyan YANG2, 3, *, Zhongliang YU2, 3
Journal of Fuel Chemistry and Technology | 2026, 54(3) : 20250259-468 - 20250259-477
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Journal of Fuel Chemistry and Technology | 2026, 54(3): 20250259-468-20250259-477
Fabrication of Cu-Sn alloy catalysts via one-step electrodeposition for efficient electroreduction of CO2 to formate
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Jiahe MIAO1, 2, 3, Song YANG1, Hao HU2, 3, Yadong BAI1, *, Yanyan YANG2, 3, *, Zhongliang YU2, 3
Affiliations
  • 1Department of Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, China
  • 2School of Chemistry and Environmental Science, Shangrao Normal University, Shangrao 334001, China
  • 3Key Laboratory of Preparation and Application of Black Talc Functional Materials, Jiangxi Provincial Department of Education, Shangrao 334001, China
Published: 2026-03-10 doi: 10.3724/2097-213X.2025.JFCT.0027
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Electrocatalytic CO2 reduction reaction (CO2RR) is regarded as an effective approach to reduce CO2 emissions and produce various high-value compounds. In this study, a Cu-Sn alloy catalyst with a wheat-ear-like dendritic structure was prepared via a simple one-step electrodeposition method and used for the selective electro-reducing CO2 to formate. Experimental results demonstrate that, compared to Cu and Sn electrodes, the Cu-Sn alloy catalyst exhibits higher catalytic activity and selectivity toward formate due to its unique wheat-ear-like structure, which could provide abundant active sites for the reaction process. The Faradaic efficiency for formate reaches up to 80%, and remains above 70% within the potential range from −1.7− −2.0 V. Combined electrochemical data and XPS analysis revealed that Cu and Sn atoms collectively modulate the adsorption of the CO2*− intermediate during the electroreduction process. Therefore, this simple preparation method offers a new pathway for the design of bimetallic catalysts for CO2RR.

CO2 electroreduction  /  formate  /  alloy  /  electrodeposition
苗家赫, 杨颂, 胡昊, 白亚东, 杨言言, 余钟亮. 一步电还原法制备Cu-Sn合金催化剂实现高效电还原CO2制备甲酸盐. 燃料化学学报（中英文）, 2026 , 54 (3) : 20250259-468 -20250259-477 . DOI: 10.3724/2097-213X.2025.JFCT.0027
Jiahe MIAO, Song YANG, Hao HU, Yadong BAI, Yanyan YANG, Zhongliang YU. Fabrication of Cu-Sn alloy catalysts via one-step electrodeposition for efficient electroreduction of CO2 to formate[J]. Journal of Fuel Chemistry and Technology, 2026 , 54 (3) : 20250259-468 -20250259-477 . DOI: 10.3724/2097-213X.2025.JFCT.0027
Appendix
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Year 2026 volume 54 Issue 3
219
98
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Article Info
doi: 10.3724/2097-213X.2025.JFCT.0027
  • Receive Date：2025-09-28
  • Online Date：2026-09-23
  • Published：2026-03-10
Article Data
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History
  • Received：2025-09-28
  • Revised：2025-10-25
  • Accepted：2025-11-07
Affiliations
    1Department of Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, China
    2School of Chemistry and Environmental Science, Shangrao Normal University, Shangrao 334001, China
    3Key Laboratory of Preparation and Application of Black Talc Functional Materials, Jiangxi Provincial Department of Education, Shangrao 334001, China
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https://castjournals.cast.org.cn/joweb/rlhxxb/EN/10.3724/2097-213X.2025.JFCT.0027
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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