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A facile synthesis of Pd/C cathode electrocatalyst for proton exchange membrane fuel cells
Tang, Yongfu1,2; Zhang, Huamin1; Zhong, Hexiang1; Ma, Yuanwei1,2
关键词Proton Exchange Membrane Fuel Cells Palladium Catalyst Oxygen Reduction Reaction Electrocatalyst Twinned Structures
刊名INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
2011
DOI10.1016/j.ijhydene.2010.09.037
36期:1页:725-731
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Electrochemistry ; Energy & Fuels
研究领域[WOS]Chemistry ; Electrochemistry ; Energy & Fuels
关键词[WOS]OXYGEN REDUCTION REACTION ; PALLADIUM NANOPARTICLES ; POLYOL SYNTHESIS ; DISK ELECTRODE ; FORMIC-ACID ; CATALYST ; OXIDATION
英文摘要A carbon supported palladium (Pd/C-NaBH4-NH3) catalyst was synthesized via modified sodium borohydride reduction method using ammonia as the complexing reagent. The Pd/C catalysts were characterized by means of powder X-ray diffraction (XRD), transmission electron microscopy (TEM) and high resolution transmission electron microscopy (HRTEM). Rotating disk electrode (RIDE), cyclic voltammetry (CV), electrochemical impedance spectra (EIS) and single cell measurements were employed to evaluate the activities of the catalysts. The as-prepared catalysts with face-centered cubic (fcc) structure are uniformly dispersed on the carbon supports. Twinned and polycrystalline structures are observed in the HRTEM image of Pd/C-NaBH4-NH3. The results indicate that the Pd/C-NaBH4-NH3 catalyst shows high activity for the oxygen reduction reaction. Single cell with Pd/C-NaBH4-NH3 as the cathode displays a maximum power density of 508 mW cm(-2). The favorable performance of the Pd/C-NaBH4-NH3 catalyst may be attributed to the uniformly dispersed nanoparticles and more crystalline lattice defects. (C) 2010 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.
语种英语
WOS记录号WOS:000288102700079
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/142285
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Lab PEMFC Key Mat & Technol, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
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Tang, Yongfu,Zhang, Huamin,Zhong, Hexiang,et al. A facile synthesis of Pd/C cathode electrocatalyst for proton exchange membrane fuel cells[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2011,36(1):725-731.
APA Tang, Yongfu,Zhang, Huamin,Zhong, Hexiang,&Ma, Yuanwei.(2011).A facile synthesis of Pd/C cathode electrocatalyst for proton exchange membrane fuel cells.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,36(1),725-731.
MLA Tang, Yongfu,et al."A facile synthesis of Pd/C cathode electrocatalyst for proton exchange membrane fuel cells".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 36.1(2011):725-731.
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