DICP OpenIR
Subject Area物理化学
Architecture of PtFe/C catalyst with high activity and durability for oxygen reduction reaction
Li, Jiayuan1,2; Wang, Guoxiong1; Wang, Jing1,2; Miao, Shu3; Wei, Mingming1,2; Yang, Fan1; Yu, Liang1; Bao, Xinhe1,3; Wang GX(汪国雄); Bao XH(包信和)
KeywordPt3fe@pt-feox Architecture Activity Durability Oxygen Reduction Reaction Proton Exchange Membrane Fuel Cell
Source PublicationNANO RESEARCH
2014-10-01
DOI10.1007/s12274-014-0513-0
Volume7Issue:10Pages:1519-1527
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS KeywordMEMBRANE FUEL-CELLS ; CARBON NANOTUBES ; CATHODE CATALYST ; ALLOY ; FE ; IRON ; ELECTROCATALYSIS ; NANOPARTICLES ; OXIDATION ; PLATINUM
AbstractA PtFe/C catalyst has been synthesized by impregnation and high-temperature reduction followed by acid-leaching. X-ray diffraction, X-ray photoelectron spectroscopy and X-ray atomic near edge spectroscopy characterization reveal that Pt3Fe alloy formation occurs during high-temperature reduction and that unstable Fe species are dissolved into acid solution. The difference in Fe concentration from the core region to the surface and strong O-Fe bonding may drive the outward diffusion of Fe to the highly corrugated Pt-skeleton, and the resulting highly dispersed surface FeO (x) is stable in acidic medium, leading to the construction of a Pt3Fe@Pt-FeO (x) architecture. The as prepared PtFe/C catalyst demonstrates a higher activity and comparable durability for the oxygen reduction reaction compared with a Pt/C catalyst, which might be due to the synergetic effect of surface and subsurface Fe species in the PtFe/C catalyst.
Language英语
WOS IDWOS:000343083400012
Citation statistics
Cited Times:32[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/144240
Collection中国科学院大连化学物理研究所
Corresponding AuthorWang GX(汪国雄); Bao XH(包信和)
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Li, Jiayuan,Wang, Guoxiong,Wang, Jing,et al. Architecture of PtFe/C catalyst with high activity and durability for oxygen reduction reaction[J]. NANO RESEARCH,2014,7(10):1519-1527.
APA Li, Jiayuan.,Wang, Guoxiong.,Wang, Jing.,Miao, Shu.,Wei, Mingming.,...&包信和.(2014).Architecture of PtFe/C catalyst with high activity and durability for oxygen reduction reaction.NANO RESEARCH,7(10),1519-1527.
MLA Li, Jiayuan,et al."Architecture of PtFe/C catalyst with high activity and durability for oxygen reduction reaction".NANO RESEARCH 7.10(2014):1519-1527.
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