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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
发表期刊ELECTROCHIMICA ACTA
卷号216页码:295-303
通讯作者何春勇 ; 陶举洲
文章类型Article; Proceedings Paper
摘要Ultrasmall 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.
关键词Ultrasmall Molybdenum Carbide Electrocatalyst Methanol Oxidation Reaction Direct Methanol Fuel Cells
学科领域Electrochemistry
DOI10.1016/j.electacta.2016.09.037
关键词[WOS]HYDROGEN EVOLUTION REACTION ; OXYGEN REDUCTION REACTION ; ONE-POT SYNTHESIS ; TUNGSTEN CARBIDE ; FUEL-CELLS ; GRAPHITIZED CARBON ; EXCELLENT ELECTROCATALYSTS ; ASSISTED SYNTHESIS ; PT NANOPARTICLES ; AU CORE
收录类别SCI ; EI
语种英语
WOS类目Electrochemistry
WOS记录号WOS:000385495000036
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260201
专题东莞分部
作者单位中国科学院高能物理研究所
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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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