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学科主题物理化学
Synthesis, characterization and catalytic performances of Ce-SBA-15 supported nickel catalysts for methane dry reforming to hydrogen and syngas
Wang, Ning1; Chu, Wei1; Zhang, Tao2; Zhao, X. S.3; WeiChu
关键词Hydrogen Production Cerium-incorporated Sba-15 Nano Nickel Catalyst Methane Dry Reforming High Catalytic Performance
刊名INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
2012
DOI10.1016/j.ijhydene.2011.03.138
37期:1页:19-30
收录类别SCI
文章类型Article
部门归属15
项目归属1501
产权排名2,3
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Electrochemistry ; Energy & Fuels
研究领域[WOS]Chemistry ; Electrochemistry ; Energy & Fuels
关键词[WOS]CARBON-DIOXIDE ; SYNTHESIS GAS ; OXIDATIVE DEHYDROGENATION ; NI CATALYSTS ; MESOPOROUS SILICA ; FLUIDIZED-BED ; CO2 ; ETHANOL ; SBA-15 ; STEAM
英文摘要A series of Ce-incorporated SBA-15 mesoporous materials were synthesized through direct hydrothermal synthesis method and further impregnated with 12 wt.% Ni. The samples were characterized by ICP-AES, XRD, N-2 physisorption, XPS, TPR, H-2 chemisorption, TGA, temperature-programmed hydrogenation (TPH) and TEM measurements. The low-angle XRD and N-2 physisorption results showed the Ce successfully incorporated into the framework of SBA-15. The catalytic properties of these catalysts were investigated in methane reforming with CO2. The Ce/Si molar ratio had a significant influence on the catalytic performance. The highest catalytic activity and long-term stability were obtained over the Ni/Ce-SBA-15 (Ce/Si = 0.04) sample. The improved catalytic behavior could be attributed to the cerium impact in the framework of SBA-15, where cerium promoted the dispersion of nano-sized Ni species and inhibited the carbon formation. In comparison with the effect of CeO2 crystallites in SBA-15, cerium in the framework of SBA-15 promoted the formation of the nickel metallic particles with smaller size. The XRD and TGA results exhibited that carbon deposition was responsible for activity loss of Ni/SBA-15 and Ni/Ce-SBA-15 (Ce/Si = 0.06) catalysts. TEM results showed that the hexagonal mesopores of SBA-15 were still kept intact after reaction and the pore walls of SBA-15 prevented the aggregation of nickel. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
语种英语
WOS记录号WOS:000300470000003
引用统计
被引频次:151[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/117781
专题中国科学院大连化学物理研究所
通讯作者WeiChu
作者单位1.Sichuan Univ, Dept Chem Engn, Chengdu 610065, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
3.Natl Univ Singapore, Dept Chem & Biomol Engn, Singapore 117576, Singapore
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GB/T 7714
Wang, Ning,Chu, Wei,Zhang, Tao,et al. Synthesis, characterization and catalytic performances of Ce-SBA-15 supported nickel catalysts for methane dry reforming to hydrogen and syngas[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2012,37(1):19-30.
APA Wang, Ning,Chu, Wei,Zhang, Tao,Zhao, X. S.,&WeiChu.(2012).Synthesis, characterization and catalytic performances of Ce-SBA-15 supported nickel catalysts for methane dry reforming to hydrogen and syngas.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,37(1),19-30.
MLA Wang, Ning,et al."Synthesis, characterization and catalytic performances of Ce-SBA-15 supported nickel catalysts for methane dry reforming to hydrogen and syngas".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 37.1(2012):19-30.
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