CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Molten Salt Treated Cu Foam Catalyst for Selective Electrochemical CO(2)Reduction Reaction
Song, SZ; Meng, J; Wang, Y; Zhou, J; Zhang, LJ; Gao, N; Guan, CZ; Xiao, GP; Hu, ZW; Lin, HJ; Chen, CT; Du, XL; Hu, J; Wang, JQ
2020
Source PublicationCHEMISTRYSELECT
ISSN2365-6549
Volume5Issue:38Pages:11927-11933
Subtype期刊论文
AbstractThe electrochemical reduction of CO(2)is a promising route to convert waste products to valuable chemicals. Search for suitable and efficient CO(2)reduction electrocatalysts with high C-2:C(1)selectivity holds great promise. Herein, for the first time we have developed a molten salt oxidized method to modify the morphology and oxidation state of a Cu-foam catalyst. The catalyst displayed a current density of 30 mA cm(-2)(-1.4 V versus reversible hydrogen electrode) and an ethylene/methane ratio of 870. We provide insight into the improved performance of the catalysts by cross section scanning transmission electron microscopy and quasi in situ soft X-ray spectroscope, which show that copper oxides are surprisingly reconstructed with Cu (I) and Cu (0) on the surface during the reaction. First principle calculations also demonstrate that the partly reduced Cu2O (111) surface has a high reactivity and selectivity for C(2+)products. Furthermore, the molten salt treated catalysts could be applied to the direct synthesis of multi-carbon fuels, including C-3-C(4)compounds in high CO(2)pressure electrocatalytic reduction. Our results demonstrate that molten salt are both the oxidizing agent and reaction medium, which is a promising approach for synthesis of highly active CO(2)electrocatalysts, which may open a new way for industrial application.
KeywordCO2 REDUCTION CARBON-DIOXIDE HIGH-PRESSURE ELECTROREDUCTION NANOCRYSTALS ELECTRODES ETHYLENE METHANOL
DOI10.1002/slct.202003415
Indexed BySCI
Language英语
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/33018
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Chinese Acad Sci, Shanghai Inst Appl Phys, Key Lab Interfacial Phys & Technol, Shanghai 201800, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
4.Max Planck Inst Chem Phys Solids, Nothnitzer Str 40, D-01187 Dresden, Germany
5.Natl Synchrotron Radiat Res Ctr, 101 Hsin Ann Rd, Hsinchu 30076, Taiwan
Recommended Citation
GB/T 7714
Song, SZ,Meng, J,Wang, Y,et al. Molten Salt Treated Cu Foam Catalyst for Selective Electrochemical CO(2)Reduction Reaction[J]. CHEMISTRYSELECT,2020,5(38):11927-11933.
APA Song, SZ.,Meng, J.,Wang, Y.,Zhou, J.,Zhang, LJ.,...&Wang, JQ.(2020).Molten Salt Treated Cu Foam Catalyst for Selective Electrochemical CO(2)Reduction Reaction.CHEMISTRYSELECT,5(38),11927-11933.
MLA Song, SZ,et al."Molten Salt Treated Cu Foam Catalyst for Selective Electrochemical CO(2)Reduction Reaction".CHEMISTRYSELECT 5.38(2020):11927-11933.
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