Chlorine-Doped SnO2 Nanoflowers on Nickel Hollow Fiber for Enhanced CO2 Electroreduction at Ampere-Level Current Densities
2025
发表期刊ANGEWANDTE CHEMIE - INTERNATIONAL EDITION (IF:16.1[JCR-2023],16.2[5-Year])
ISSN1433-7851
EISSN1521-3773
卷号64期号:13
发表状态已发表
DOI10.1002/anie.202423370
摘要

Renewable energy-driven electrochemical CO2 reduction has emerged as a promising technology for a sustainable future. However, achieving efficient production of storable liquid fuels at ampere-level current densities remains a significant hurdle in the large-scale implementation of CO2 electroreduction. Here we report a novel catalytic electrode comprising chlorine-doped SnO2 nanoflowers arrayed on the exterior of three-dimensional nickel hollow fibers. This electrode demonstrates exceptional electrocatalytic performance for converting CO2 to formate, achieving a remarkable formate selectivity of 99 % and a CO2 single-pass conversion rate of 93 % at 2 A cm−2. Furthermore, it exhibits excellent stability, maintaining a formate selectivity of above 94 % for 520 h at a current density of 3 A cm−2. Experimental results combined with theoretical calculations confirm that the enhanced mass transfer facilitated by the hollow fiber penetration effect, coupled with the well-retained Sn4+ species and Sn−Cl bonds, synergistically elevates the activity of CO2 conversion. The incorporation of chlorine into SnO2 enhances electron transport and CO2 adsorption, substantially lowering the reaction energy barrier for the crucial intermediate *OCHO formation, and boosting the formate production. © 2025 Wiley-VCH GmbH.

关键词Electrolytic reduction Reaction intermediates 'current Ampere-level CO2 conversion efficiency CO2 electroreduction Composite hollow fibers Electro reduction Halogen doping Hollow fiber SnO 2 SnO2 composite hollow fiber
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收录类别EI ; SCI
语种英语
资助项目Strategic Priority Research Program (A) of the Chinese Academy of Sciences[XDA0390400] ; Ministry of Science and Technology of China (National Key R&D Program of China)[2022YFA1504604] ; Major Project of the Science and Technology Department of Inner Mongolia)[2021ZD0020] ; National Natural Science Foundation of China["22302223","91745114","21802160"] ; Youth Innovation Promotion Association of Chinese Academy of Sciences[E224301401] ; Outstanding Young Talent Project of Shanghai Advanced Research Institute, Chinese Academy of Sciences[E254991ZZ1] ; Program of Shanghai Academic/Technology Research Leader[23XD1404400] ; Shanghai Sailing Program[23YF1453300] ; Science and Technology Innovation Plan of Shanghai Science and Technology Commission["23DZ1202600","23DZ1201804"] ; Foundation of Key Laboratory of Low-Carbon Conversion Science & Engineering, Shanghai Advanced Research Institute, Chinese Academy of Sciences (SARI, CAS)[KLLCCSE-202207Z]
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:001450797800025
出版者John Wiley and Sons Inc
EI入藏号20250317701073
EI主题词Nanoflowers
EI分类号201.3.1 ; 761 Nanotechnology ; 802.2 Chemical Reactions ; 804 Chemical Products Generally
原始文献类型Article in Press
文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/483862
专题物质科学与技术学院
物质科学与技术学院_特聘教授组_魏伟组
物质科学与技术学院_博士生
通讯作者Song, Yanfang; Wei, Wei; Chen, Wei
作者单位
1.CAS Key Laboratory of Low-Carbon Conversion Science and Engineering, Shanghai Advanced Research Institute, Chinese Academy of Sciences, 100 Haike Road, Shanghai; 201203, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China;
3.Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai; 201204, China;
4.School of Physical Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Shanghai; 201203, China
通讯作者单位物质科学与技术学院
推荐引用方式
GB/T 7714
Wei, Yiheng,Wang, Xiaotong,Mao, Jianing,et al. Chlorine-Doped SnO2 Nanoflowers on Nickel Hollow Fiber for Enhanced CO2 Electroreduction at Ampere-Level Current Densities[J]. ANGEWANDTE CHEMIE - INTERNATIONAL EDITION,2025,64(13).
APA Wei, Yiheng.,Wang, Xiaotong.,Mao, Jianing.,Song, Yanfang.,Zhu, Huanyi.,...&Chen, Wei.(2025).Chlorine-Doped SnO2 Nanoflowers on Nickel Hollow Fiber for Enhanced CO2 Electroreduction at Ampere-Level Current Densities.ANGEWANDTE CHEMIE - INTERNATIONAL EDITION,64(13).
MLA Wei, Yiheng,et al."Chlorine-Doped SnO2 Nanoflowers on Nickel Hollow Fiber for Enhanced CO2 Electroreduction at Ampere-Level Current Densities".ANGEWANDTE CHEMIE - INTERNATIONAL EDITION 64.13(2025).
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