CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Promoted Multimetal Oxide Catalysts for the Generation of Hydrogen via Ammonia Decomposition
Yan, H; Xu, YJ; Gu, YQ; Li, H; Wang, X; Jin, Z; Shi, S; Si, R; Jia, CJ; Yan, CH; Jia, CJ (reprint author), Shandong Univ, Sch Chem & Chem Engn, Key Lab Colloid & Interface Chem, Key Lab Special Aggregated Mat, Jinan 250100, Peoples R China.; Si, R (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China.
2016
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
ISSN1932-7447
Volume120Issue:14Pages:7685—7696
Subtype期刊文献
AbstractMesoporous multimetal oxide microspheres (Ni-Ce-Al-O) with tuned and uniformly distributed composition are prepared through an aerosol-assisted self-assembly approach and further used as catalysts for ammonia decomposition. The as-prepared and spent materials are characterized by various techniques including ex situ/in situ X-ray diffraction (XRD), X-ray absorption fine structure (XAFS), scanning electron microscope (SEM)/transmission electron microscope (TEM), X-ray photoelectron spectroscopy (XPS), and N-2-adsorption. The tricomponent Ni-Ce-Al-catalysts show great superiority over pure NiO or bicomponent catalysts (Ni-Ce-O and Ni-Al-O) in both catalytic activity and durability. By using H-2-TPR combined with in situ XRD, we have identified metallic Ni-0 as the active crystalline phase and further confirmed the strong interaction between alumina and other components. This strong interaction helps suppress the growth of both metallic Ni-0 as active site and ceria as promoter under the harsh catalytic conditions (high temperature and reducing atmosphere) and thus improves the activity and stability simultaneously.
KeywordCox-free Hydrogen Fuel-cell Applications Metal-oxide Aerosol-spray Ni Catalysts Structure Sensitivity Mesoporous Composite Ruthenium Catalysts Ni/sba-15 Catalyst Nh3 Decomposition
DOI10.1021/acs.jpcc.6b01595
Indexed BySCI
Language英语
WOS IDWOS:000374431400028
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/25816
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorJin, Z; Jia, CJ (reprint author), Shandong Univ, Sch Chem & Chem Engn, Key Lab Colloid & Interface Chem, Key Lab Special Aggregated Mat, Jinan 250100, Peoples R China.; Si, R (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China.
Recommended Citation
GB/T 7714
Yan, H,Xu, YJ,Gu, YQ,et al. Promoted Multimetal Oxide Catalysts for the Generation of Hydrogen via Ammonia Decomposition[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2016,120(14):7685—7696.
APA Yan, H.,Xu, YJ.,Gu, YQ.,Li, H.,Wang, X.,...&Si, R .(2016).Promoted Multimetal Oxide Catalysts for the Generation of Hydrogen via Ammonia Decomposition.JOURNAL OF PHYSICAL CHEMISTRY C,120(14),7685—7696.
MLA Yan, H,et al."Promoted Multimetal Oxide Catalysts for the Generation of Hydrogen via Ammonia Decomposition".JOURNAL OF PHYSICAL CHEMISTRY C 120.14(2016):7685—7696.
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