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Effect of Co-Ni ratio on the activity and stability of Co-Ni bimetallic aerogel catalyst for methane Oxy-CO2 reforming
Chen, Lin1,2; Zhu, Qingshan1; Wu, Rongfang1,2; Zhu, QS
2011-02-01
Source PublicationINTERNATIONAL JOURNAL OF HYDROGEN ENERGY
ISSN0360-3199
Volume36Issue:3Pages:2128-2136
AbstractCo-Ni bimetallic aerogel catalysts with various Co/Ni ratios were synthesized by the sol gel method followed by the supercritical drying process. The catalysts were characterized by XRD, H-2-TPR, HRTEM, BET, TG and FESEM. It showed that the Co/Ni ratio influenced the micro-structure of the Co-Ni bimetallic aerogel catalysts. The formation of homogeneous metal alloy on the bimetallic catalysts was observed after the reduction. In addition, catalysts with higher Co/Ni ratios showed smaller active metal particle sizes. The activities of the aerogel catalysts in terms of CH4 conversion were found to be in the order of 5Co5Ni approximate to 3Co7Ni > 7Co3Ni > 10Ni >> 10Co. 5Co5Ni exhibited the highest CH4 conversion in methane Oxy-CO2 reforming, which is 16% and 55% greater than those of 10Ni and 10Co, respectively. The difference between the catalytic performances could mainly be attributed to the combined effect of the kinetics, the geometric and the SMSI effects. (C) 2010 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.
KeywordMethane Oxy-co2 Reforming Bimetallic Aerogel Catalyst Co/ni Ratio Metal Particle Size Hydrogen Production
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.ijhydene.2010.11.042
Indexed BySCI
Language英语
WOS KeywordFLUIDIZED-BED REACTOR ; CARBON-DIOXIDE ; SYNTHESIS GAS ; PARTIAL OXIDATION ; COBALT CATALYSTS ; HYDROGEN-PRODUCTION ; SUPPORTED COBALT ; SOLID-SOLUTIONS ; NICKEL ; SYNGAS
WOS Research AreaChemistry ; Electrochemistry ; Energy & Fuels
WOS SubjectChemistry, Physical ; Electrochemistry ; Energy & Fuels
WOS IDWOS:000288825800027
Citation statistics
Cited Times:77[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5067
Collection多相复杂系统国家重点实验室
Corresponding AuthorZhu, QS
Affiliation1.Chinese Acad Sci, State Key Lab Multiphase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Chen, Lin,Zhu, Qingshan,Wu, Rongfang,et al. Effect of Co-Ni ratio on the activity and stability of Co-Ni bimetallic aerogel catalyst for methane Oxy-CO2 reforming[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2011,36(3):2128-2136.
APA Chen, Lin,Zhu, Qingshan,Wu, Rongfang,&Zhu, QS.(2011).Effect of Co-Ni ratio on the activity and stability of Co-Ni bimetallic aerogel catalyst for methane Oxy-CO2 reforming.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,36(3),2128-2136.
MLA Chen, Lin,et al."Effect of Co-Ni ratio on the activity and stability of Co-Ni bimetallic aerogel catalyst for methane Oxy-CO2 reforming".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 36.3(2011):2128-2136.
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