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题名: Influences of Precipitate Rinsing Solvents on Ni Catalyst for Methane Decomposition to CO2-free Hydrogen
作者: Zhang, W.1, 2;  Ge, Qingjie;  Xu, Hengyong1
刊名: JOURNAL OF PHYSICAL CHEMISTRY A
发表日期: 2010-03-25
DOI: 10.1021/jp906053h
卷: 114, 期:11, 页:3818-3823
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical ;  Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Chemistry ;  Physics
英文摘要: Influences of, precipitate rinsing solvents oil Ni for methane decomposition to COx-free hydrogen has been investigated ill this study. Calcination of nickel hydroxide precipitates rinsed by ethanol leads to the formation of nanosheet needle-like NiO, whereas calcination of those rinsed by deionized water leads to the formation of Pure nanosheet NiO. When compared to Ni catalyst (Ni-et) reduced from nanosheet needle-like NiO, Ni catalyst (Ni-etwt), reduced front Pure nanosheet-like NiO, exhibits a better catalytic performance for methane decomposition. Among the different rinsing processes, nickel hydroxide precipitates, rinsed first by ethanol and subsequently by deionized water, were calcined to the most Suitable nanoshect NiO, which Could be reduced to Ni-etwt catalyst with the highest catalytic performance of methane decomposition. A total of 1954 mol(m2)/mol(Ni) of hydrogen yields could be obtained over Ni-etwt under suitable reaction conditions. Characterization. results indicate that Ni-etwt with the higher catalytic activity has the similar to 34 nm of average particle size.
关键词[WOS]: FILAMENTOUS CARBON ;  PRODUCE HYDROGEN ;  NICKEL-CATALYSTS ;  FUEL-CELLS ;  PARTICLES ;  OXIDE ;  ROUTE ;  GAS ;  NANOCRYSTALS ;  NANOFIBERS
语种: 英语
WOS记录号: WOS:000275707800012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142128
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Lab Appl Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Zhang, W.,Ge, Qingjie,Xu, Hengyong. Influences of Precipitate Rinsing Solvents on Ni Catalyst for Methane Decomposition to CO2-free Hydrogen[J]. JOURNAL OF PHYSICAL CHEMISTRY A,2010,114(11):3818-3823.
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