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Preparation of LaXCoO3 (X = Mg, Ca, Sr, Ce) catalysts and their performance for steam reforming of ethanol to hydrogen
Alternative TitleChin. J. Catal.
Ma, Fei1,2; Ding, Zhenwu1,3; Chu, Wei1,3; Hao, Shixiong1,4; Qi, Tao2
2014-10-01
Source PublicationCHINESE JOURNAL OF CATALYSIS
ISSN0253-9837
Volume35Issue:10Pages:1768-1778
AbstractPerovskite nanocomposite catalysts LaXCoO3 (X = Mg, Ca, Sr, or Ce; n(La):n(X) = 3:2) have been prepared by a citric acid-complexing method and used for steam reforming of ethanol (SRE), leading to hydrogen generation. The samples were characterized by X-ray diffraction, infrared spectroscopy, scanning electron microscopy, X-ray photoelectron spectroscopy, N-2 adsorption-desorption, and H-2 temperature-programmed reduction. The effects of elemental substitution in the LaCoO3 perovskite were studied, and the catalytic performance and primary stability of the hydrogen production from SRE were investigated. In the highly substituted samples, only the Ce-doped sample was isolated as the pure perovskite phase. The presence of a Co3O4 phase in the Ca-doped or Sr-doped samples was beneficial for the reduction of the active Co component, while Sr-doped or Ce-doped samples showed good activity and stability. The sample incorporating Sr demonstrated better catalytic performance than those of other samples. (C) 2014, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.; Perovskite nanocomposite catalysts LaXCoO3 (X = Mg, Ca, Sr, or Ce; n(La):n(X) = 3:2) have been prepared by a citric acid-complexing method and used for steam reforming of ethanol (SRE), leading to hydrogen generation. The samples were characterized by X-ray diffraction, infrared spectroscopy, scanning electron microscopy, X-ray photoelectron spectroscopy, N-2 adsorption-desorption, and H-2 temperature-programmed reduction. The effects of elemental substitution in the LaCoO3 perovskite were studied, and the catalytic performance and primary stability of the hydrogen production from SRE were investigated. In the highly substituted samples, only the Ce-doped sample was isolated as the pure perovskite phase. The presence of a Co3O4 phase in the Ca-doped or Sr-doped samples was beneficial for the reduction of the active Co component, while Sr-doped or Ce-doped samples showed good activity and stability. The sample incorporating Sr demonstrated better catalytic performance than those of other samples. (C) 2014, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
KeywordCitric Acid-complexing Method Perovskite Cobalt Composite Catalyst Ethanol Steam Reforming Hydrogen
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/S1872-2067(14)60182-0
URL查看原文
Indexed BySCI
Language英语
WOS KeywordLOW-TEMPERATURE ; H-2 PRODUCTION ; CO ; OXIDATION ; OXIDES ; PEROVSKITES ; LA ; NI
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
WOS IDWOS:000344136500018
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/11806
Collection研究所(批量导入)
Affiliation1.Sichuan Univ, Dept Chem Engn, Chengdu 610065, Sichuan, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
3.Sichuan Prov Engn Technol Ctr Environm Protect Ca, Chengdu 610064, Sichuan, Peoples R China
4.Sichuan Univ Sci & Engn, Dept Chem Engn, Zigong 643000, Sichuan, Peoples R China
Recommended Citation
GB/T 7714
Ma, Fei,Ding, Zhenwu,Chu, Wei,et al. Preparation of LaXCoO3 (X = Mg, Ca, Sr, Ce) catalysts and their performance for steam reforming of ethanol to hydrogen[J]. CHINESE JOURNAL OF CATALYSIS,2014,35(10):1768-1778.
APA Ma, Fei,Ding, Zhenwu,Chu, Wei,Hao, Shixiong,&Qi, Tao.(2014).Preparation of LaXCoO3 (X = Mg, Ca, Sr, Ce) catalysts and their performance for steam reforming of ethanol to hydrogen.CHINESE JOURNAL OF CATALYSIS,35(10),1768-1778.
MLA Ma, Fei,et al."Preparation of LaXCoO3 (X = Mg, Ca, Sr, Ce) catalysts and their performance for steam reforming of ethanol to hydrogen".CHINESE JOURNAL OF CATALYSIS 35.10(2014):1768-1778.
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