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Ultrasmall molybdenum carbide nanocrystals coupled with reduced graphene oxide supported Pt nanoparticles as enhanced synergistic catalyst for methanol oxidation reaction
He CY(何春勇); Tao JZ(陶举洲); He, CY; Tao, JZ; He, GQ; Shen, PK
2016
Source PublicationELECTROCHIMICA ACTA
ISSN0013-4686
EISSN1873-3859
Volume216Pages:295-303
Corresponding Author何春勇 ; 陶举洲
SubtypeArticle; Proceedings Paper
AbstractUltrasmall molybdenum carbide (MoC) nanocrystals coupled with reduced graphene oxide (RGO) hybrid was successfully synthesized and applied as support for Pt nanoparticles (Pt/MoC-RGO). Compare to the commercial Pt/C, the Pt/MoC-RGO catalyst show remarkable enhanced electrocatalytic activity for methanol oxidation reaction (MOR) in direct methanol fuel cells (DMFCs). The peak current density of Pt/MoC-RGO is 2.4 times of Pt/C. The Pt/MoC-RGO also shows a significant improved CO resistance ability, which likely originates from the abundant Pt-MoC-RGO three-phase interfaces in Pt/MoC-RGO. The long-term stability results show that the electrochemical durability of the Pt/MoC-RGO for MOR is much better than Pt/C, making it a promising next generation electrocatalysts in DMFCs. X-ray photoelectron spectroscopy (XPS) and X-ray absorption spectroscopy (XAS) analyses reveal the strong synergetic chemical coupling interaction between the Pt nanoparticles and MoC-RGO, which result in significantly enhanced electrocatalytic activity for MOR. (C) 2016 Elsevier Ltd. All rights reserved.
Conference Title11th International Symposium on Electrochemical Methods In Corrosion Research (EMCR)
Conference PlaceTroia, PORTUGAL
Conference DateMAY 24-29, 2015
KeywordUltrasmall Molybdenum Carbide Electrocatalyst Methanol Oxidation Reaction Direct Methanol Fuel Cells
Subject AreaElectrochemistry
DOI10.1016/j.electacta.2016.09.037
WOS KeywordHYDROGEN EVOLUTION REACTION ; OXYGEN REDUCTION REACTION ; ONE-POT SYNTHESIS ; TUNGSTEN CARBIDE ; FUEL-CELLS ; GRAPHITIZED CARBON ; EXCELLENT ELECTROCATALYSTS ; ASSISTED SYNTHESIS ; PT NANOPARTICLES ; AU CORE
Indexed BySCI ; EI
Language英语
WOS SubjectElectrochemistry
WOS IDWOS:000385495000036
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/260201
Collection东莞分部
Affiliation中国科学院高能物理研究所
Recommended Citation
GB/T 7714
He CY,Tao JZ,He, CY,et al. Ultrasmall molybdenum carbide nanocrystals coupled with reduced graphene oxide supported Pt nanoparticles as enhanced synergistic catalyst for methanol oxidation reaction[J]. ELECTROCHIMICA ACTA,2016,216:295-303.
APA 何春勇,陶举洲,He, CY,Tao, JZ,He, GQ,&Shen, PK.(2016).Ultrasmall molybdenum carbide nanocrystals coupled with reduced graphene oxide supported Pt nanoparticles as enhanced synergistic catalyst for methanol oxidation reaction.ELECTROCHIMICA ACTA,216,295-303.
MLA 何春勇,et al."Ultrasmall molybdenum carbide nanocrystals coupled with reduced graphene oxide supported Pt nanoparticles as enhanced synergistic catalyst for methanol oxidation reaction".ELECTROCHIMICA ACTA 216(2016):295-303.
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