DICP OpenIR
Improvement of Cathode Performance on Pt-CeOx by Optimization of Electrochemical Pretreatment Condition for PEFC Application
Fugane, Keisuke1,2; Mori, Toshiyuki1,2; Ou, Ding Rong3; Yan, Pengfei2; Ye, Fei4; Yoshikawa, Hideki5; Drennan, John6
Source PublicationLANGMUIR
2012-12-04
DOI10.1021/la302912r
Volume28Issue:48Pages:16692-16700
Indexed BySCI
SubtypeArticle
WOS SubjectChemistry, Multidisciplinary ; Chemistry, Physical ; Materials Science, Multidisciplinary
WOS Research AreaChemistry ; Materials Science
WOS KeywordOXYGEN REDUCTION REACTION ; CARBON ALLOY CATALYSTS ; FUEL-CELLS ; ELECTROCATALYSTS
AbstractPt-CeOx/C electrocatalysts for the improvement of oxygen reduction reaction (ORR) activity on cathode were prepared by a combined process of precipitation and co-impregnation methods. The Pt-CeOx/C electrocatalysts pretreated by the optimized electrochemical conditioning process showed high ORR activity as compared with homemade Pt/C electrocatalyst. Also, it showed high stability in the cyclic voltammetry (CV) test up to 1000 cycles into 0.5 M H2SO4 aqueous solution. On the basis of the data of cyclic voltammogram of 30 cyclic sweeps, X-ray photoelectron spectroscopy, electron energy loss spectroscopy, high resolution transmission electron microscope image, and selected area electron diffraction analysis, it is concluded that the Pt-CeOx heterointerface involving the defect cluster formed by using optimized electrochemical pretreatment conditions on Pt in Pt-CeOx/C electro-catalyst contributes to the promotion of ORR activity and retention of its stability in long CV tests up to 1000 cycles.
Language英语
WOS IDWOS:000311872900024
Citation statistics
Cited Times:25[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/142891
Collection中国科学院大连化学物理研究所
Affiliation1.Hokkaido Univ, Grad Sch Chem Sci & Engn, Kita Ku, Sapporo, Hokkaido 0608628, Japan
2.Natl Inst Mat Sci, Hetero Interface Design Grp, Global Res Ctr Environm & Energy Based Nanomat Sc, Tsukuba, Ibaraki 3050044, Japan
3.Chinese Acad Sci, Dalian Inst Chem Phys, Lab Fuel Cells, Dalian 116023, Liaoning, Peoples R China
4.Dalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Liaoning, Peoples R China
5.Natl Inst Mat Sci, SPring 8, NIMS Beamline Stn, Mikazuki, Hyogo 6795148, Japan
6.Univ Queensland, Ctr Microscopy & Microanal, Brisbane, Qld 4072, Australia
Recommended Citation
GB/T 7714
Fugane, Keisuke,Mori, Toshiyuki,Ou, Ding Rong,et al. Improvement of Cathode Performance on Pt-CeOx by Optimization of Electrochemical Pretreatment Condition for PEFC Application[J]. LANGMUIR,2012,28(48):16692-16700.
APA Fugane, Keisuke.,Mori, Toshiyuki.,Ou, Ding Rong.,Yan, Pengfei.,Ye, Fei.,...&Drennan, John.(2012).Improvement of Cathode Performance on Pt-CeOx by Optimization of Electrochemical Pretreatment Condition for PEFC Application.LANGMUIR,28(48),16692-16700.
MLA Fugane, Keisuke,et al."Improvement of Cathode Performance on Pt-CeOx by Optimization of Electrochemical Pretreatment Condition for PEFC Application".LANGMUIR 28.48(2012):16692-16700.
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