Facile Cu3P-C hybrid supported strategy to improve Pt nanoparticle electrocatalytic performance toward methanol, ethanol, glycol and formic acid electro-oxidation
Li, Ruixue1; Ma, Zizai1; Zhang, Fei1; Meng, Huijie1; Wang, Mei1; Bao, Xiao-Qing2; Tang, Bin1; Wang, Xiaoguang1
2016
发表期刊Electrochimica Acta
ISSN0013-4686
卷号220页码:193-204
文章类型J
摘要In this study, with a uniform mixed Cu3P-C hybrid as a support, Pt/C-Cu3P composite catalysts with varied phosphide/carbon ratios are synthesized via a wet chemical reduction pathway. These catalysts have been characterized using X-ray diffraction (XRD), Field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), cyclic voltammetry (CV), chronoamperometry (CA), electrochemical impedance spectroscopy (EIS) and X-ray photoelectron spectroscopy (XPS). Among the investigated catalysts, the Pt/C-Cu3P50% catalyst presents the best enhanced catalytic performance for electro-oxidation of targeted small organic fuel molecules. Compared to state-of-the-art commercial Pt/C, it exhibits 7.26, 4.19, 5.43 and 6.76 times electrocatalytic activity promotion for methanol, ethanol, glycol and formic acid electro-oxidation, respectively. This outstanding catalytic activity promotion should be ascribed to its ideal phosphide/carbon ratio as well as the induced beneficial synergistic effect between Cu3P and Pt, such as the so-called electronic effect and bi-functional effect. The exploration of inexpensive and earth-abundant Cu3P as a promoter in Pt-catalyzed small organic molecule electro-oxidation will definitely find a broad interest in PEMFCs fields. © 2016 Elsevier Ltd
关键词Catalysis Catalyst Activity Catalysts Catalytic Oxidation Chronoamperometry Cyclic Voltammetry Electrocatalysis Electrochemical Impedance Spectroscopy Electron Microscopy Electrooxidation Enamels Ethanol Field Emission Microscopes Formic Acid Fuel Cells Glycols High Resolution Transmission Electron Microscopy Metal Nanoparticles Methanol Molecules Nanoparticles Oxidation Platinum Proton Exchange Membrane Fuel Cells (Pemfc) Scanning Electron Microscopy Transmission Electron Microscopy x Ray Diffraction
DOI10.1016/j.electacta.2016.10.105
收录类别Ei
语种英语
引用统计
被引频次:38[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ioe.ac.cn/handle/181551/8470
专题微细加工光学技术国家重点实验室(开放室)
作者单位1. Laboratory of Advanced Materials and Energy Electrochemistry, Research Institute of Surface Engineering, Taiyuan University of Technology, Taiyuan
2.030024, China
3. State Key Laboratory of Optical Technologies on Nanofabrication and Microengineering, Institute of Optics and Electronics, Chinese Academy of Sciences, Box 350, Chengdu, China
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Li, Ruixue,Ma, Zizai,Zhang, Fei,et al. Facile Cu3P-C hybrid supported strategy to improve Pt nanoparticle electrocatalytic performance toward methanol, ethanol, glycol and formic acid electro-oxidation[J]. Electrochimica Acta,2016,220:193-204.
APA Li, Ruixue.,Ma, Zizai.,Zhang, Fei.,Meng, Huijie.,Wang, Mei.,...&Wang, Xiaoguang.(2016).Facile Cu3P-C hybrid supported strategy to improve Pt nanoparticle electrocatalytic performance toward methanol, ethanol, glycol and formic acid electro-oxidation.Electrochimica Acta,220,193-204.
MLA Li, Ruixue,et al."Facile Cu3P-C hybrid supported strategy to improve Pt nanoparticle electrocatalytic performance toward methanol, ethanol, glycol and formic acid electro-oxidation".Electrochimica Acta 220(2016):193-204.
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