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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
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.
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:4[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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