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Interfacial Enhancement by gamma-Al2O3 of Electrochemical Oxidative Dehydrogenation of Ethane to Ethylene in Solid Oxide Electrolysis Cells

文献类型：期刊论文

作者Song, Yuefeng2,3; Lin, Le1,2; Feng, Weicheng2,3; Zhang, Xiaomin2; Dong, Qiao3,4; Li, Xiaobao3,4; Lv, Houfu2,3; Liu, Qingxue2,3; Yang, Fan2; Liu, Zhi1,4
刊名ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
出版日期2019-09-26
页码5
ISSN号1433-7851
关键词ethane gamma-aluminum oxide interfaces oxidative dehydrogenation solid oxide electrolysis cell
DOI10.1002/anie.201908388
通讯作者Wang, Guoxiong(wanggx@dicp.ac.cn)
英文摘要Oxidative dehydrogenation of ethane (ODE) is limited by the facile deep oxidation and potential safety hazards. Now, electrochemical ODE reaction is incorporated into the anode of a solid oxide electrolysis cell, utilizing the oxygen species generated at anode to catalytically convert ethane. By infiltrating gamma-Al2O3 onto the surface of La0.6Sr0.4Co0.2Fe0.8O3-delta-Sm0.2Ce0.8O2-delta (LSCF-SDC) anode, the ethylene selectivity reaches as high as 92.5 %, while the highest ethane conversion is up to 29.1 % at 600 degrees C with optimized current and ethane flow rate. Density functional theory calculations and in situ X-ray photoelectron spectroscopy characterizations reveal that the Al2O3/LSCF interfaces effectively reduce the amount of adsorbed oxygen species, leading to improved ethylene selectivity and stability, and that the formation of Al-O-Fe alters the electronic structure of interfacial Fe center with increased density of state around Fermi level and downshift of the empty band, which enhances ethane adsorption and conversion.
WOS关键词GAMMA-ALUMINA ; COMPOSITE CATHODES ; CATALYTIC-ACTIVITY ; PERFORMANCE ; OXYGEN ; ELECTRODES ; STABILITY ; HYDROGEN ; BEHAVIOR ; METALS
资助项目National Key R&D Program of China[2017YFA0700102] ; National Natural Science Foundation of China[21573222] ; National Natural Science Foundation of China[91545202] ; Dalian National Laboratory for Clean Energy[DNL180404] ; Dalian Institute of Chemical Physics[DICP DMTO201702] ; Dalian Outstanding Young Scientist Foundation[2017RJ03] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB17020200] ; CAS Youth Innovation Promotion[2015145]
WOS研究方向Chemistry
语种英语
出版者WILEY-V C H VERLAG GMBH
WOS记录号WOS:000487780800001
资助机构National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Dalian National Laboratory for Clean Energy ; Dalian National Laboratory for Clean Energy ; Dalian Institute of Chemical Physics ; Dalian Institute of Chemical Physics ; Dalian Outstanding Young Scientist Foundation ; Dalian Outstanding Young Scientist Foundation ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; CAS Youth Innovation Promotion ; CAS Youth Innovation Promotion ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Dalian National Laboratory for Clean Energy ; Dalian National Laboratory for Clean Energy ; Dalian Institute of Chemical Physics ; Dalian Institute of Chemical Physics ; Dalian Outstanding Young Scientist Foundation ; Dalian Outstanding Young Scientist Foundation ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; CAS Youth Innovation Promotion ; CAS Youth Innovation Promotion ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Dalian National Laboratory for Clean Energy ; Dalian National Laboratory for Clean Energy ; Dalian Institute of Chemical Physics ; Dalian Institute of Chemical Physics ; Dalian Outstanding Young Scientist Foundation ; Dalian Outstanding Young Scientist Foundation ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; CAS Youth Innovation Promotion ; CAS Youth Innovation Promotion ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Dalian National Laboratory for Clean Energy ; Dalian National Laboratory for Clean Energy ; Dalian Institute of Chemical Physics ; Dalian Institute of Chemical Physics ; Dalian Outstanding Young Scientist Foundation ; Dalian Outstanding Young Scientist Foundation ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; CAS Youth Innovation Promotion ; CAS Youth Innovation Promotion
源URL[http://cas-ir.dicp.ac.cn/handle/321008/172775]  
专题大连化学物理研究所_中国科学院大连化学物理研究所
通讯作者Wang, Guoxiong
作者单位1.ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 200031, Peoples R China
2.Chinese Acad Sci, CAS Ctr Excellence Nanosci, Dalian Inst Chem Phys, State Key Lab Catalysis, Zhongshan Rd 457, Dalian 116023, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
4.Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, State Key Lab Funct Mat Informat, Shanghai 200050, Peoples R China
推荐引用方式
GB/T 7714		 Song, Yuefeng,Lin, Le,Feng, Weicheng,et al. Interfacial Enhancement by gamma-Al2O3 of Electrochemical Oxidative Dehydrogenation of Ethane to Ethylene in Solid Oxide Electrolysis Cells[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,2019:5.
APA Song, Yuefeng.,Lin, Le.,Feng, Weicheng.,Zhang, Xiaomin.,Dong, Qiao.,...&Bao, Xinhe.(2019).Interfacial Enhancement by gamma-Al2O3 of Electrochemical Oxidative Dehydrogenation of Ethane to Ethylene in Solid Oxide Electrolysis Cells.ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,5.
MLA Song, Yuefeng,et al."Interfacial Enhancement by gamma-Al2O3 of Electrochemical Oxidative Dehydrogenation of Ethane to Ethylene in Solid Oxide Electrolysis Cells".ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2019):5.

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来源：大连化学物理研究所

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