DICP OpenIR
Microstructural and Metal-Support Interactions of the Pt-CeO2/C Catalysts for Direct Methanol Fuel Cell Application
Ou, Ding Rong1,2; Mori, Toshiyuki2,5; Togasaki, Hirotaka2,5; Takahashi, Motoi2; Ye, Fei2,3; Drennan, John4
Source PublicationLANGMUIR
2011-04-05
DOI10.1021/la1032898
Volume27Issue:7Pages:3859-3866
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Multidisciplinary ; Chemistry, Physical ; Materials Science, Multidisciplinary
WOS Research AreaChemistry ; Materials Science
WOS KeywordENERGY-LOSS SPECTROSCOPY ; ANODE CATALYST ; CARBON-BLACK ; ELECTROOXIDATION ; OXIDATION ; CERIA ; CO ; NANOPARTICLES ; RU ; MO
AbstractTo understand the ceria promotion effect of Pt-CeO2/C catalysts on methanol oxidation, microstructural and metal oxide interactions of Pt-CeO2/C catalysts with an atomic ratio of Pt/Ce between 0.14 and 1.4 were systematically examined using high-resolution transmission electron microscopy and electron energy loss spectroscopy (EELS). With an increasing Pt content in the catalysts, Pt particles gradually invaded into the ceria supports and decoration on Pt particles was observed. Simultaneously, the morphology of the supports was dramatically modified with nanocrystalline and amorphous ceria formed between and/or around the Pt particles. It reveals that the Pt-ceria interaction could take place in the catalysts and the influence of the interaction was enhanced with an increasing Pt/Ce ratio. The EELS study demonstrated that the strong Pt-ceria interaction was related to the redox reaction between Pt and ceria. Experimental results also suggested that the strong interaction between Pt and ceria could contribute to the promotion effect of ceria on the oxidation of methanol.
Language英语
WOS IDWOS:000288970900083
Citation statistics
Cited Times:101[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/142417
Collection中国科学院大连化学物理研究所
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Lab Fuel Cells, Dalian 116023, Peoples R China
2.Natl Inst Mat Sci, Fuel Cell Mat Ctr, Tsukuba, Ibaraki 3050044, Japan
3.Dalian Univ Technol, Sch Mat Sci & Engn, Key Lab Mat Modificat, Dalian 116024, Liaoning, Peoples R China
4.Univ Queensland, Ctr Microscopy & Microanal, Brisbane, Qld 4072, Australia
5.Hokkaido Univ, Grad Sch, Dept Chem, Kita Ku, Sapporo, Hokkaido 0608628, Japan
Recommended Citation
GB/T 7714
Ou, Ding Rong,Mori, Toshiyuki,Togasaki, Hirotaka,et al. Microstructural and Metal-Support Interactions of the Pt-CeO2/C Catalysts for Direct Methanol Fuel Cell Application[J]. LANGMUIR,2011,27(7):3859-3866.
APA Ou, Ding Rong,Mori, Toshiyuki,Togasaki, Hirotaka,Takahashi, Motoi,Ye, Fei,&Drennan, John.(2011).Microstructural and Metal-Support Interactions of the Pt-CeO2/C Catalysts for Direct Methanol Fuel Cell Application.LANGMUIR,27(7),3859-3866.
MLA Ou, Ding Rong,et al."Microstructural and Metal-Support Interactions of the Pt-CeO2/C Catalysts for Direct Methanol Fuel Cell Application".LANGMUIR 27.7(2011):3859-3866.
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