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题名: High-Performance Low-Platinum Electrode for Proton Exchange Membrane Fuel Cells: Pulse Electrodeposition of Pt on Pd/C Nanofiber Mat
作者: Hong, Shaojing1, 2;  Hou, Ming1;  Zeng, Yachao1, 2;  Shao, Zhigang1;  Yi, Baolian1
关键词: catalyst layer ;  electrospinning membrane electrode assembly ;  electrodeposition ;  low platinum ;  proton exchange membrane fuel cells
刊名: CHEMELECTROCHEM
发表日期: 2017-05-01
DOI: 10.1002/celc.201600841
卷: 4, 页:1007-1010
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Electrochemistry
研究领域[WOS]: Electrochemistry
英文摘要: A novel electrode (E-P electrode) with a nanofiber structure and Pd/C@dendritic Pt catalysts is prepared by using electrospinning and pulse electrodeposition (PED) techniques. The maximum power density of the E-P electrode is 1.43-fold larger than that of the conventional electrode at the same cathode Pt loadings of 0.1 mg cm(-1). Owing to the in situ deposition of dendritic Pt on the surface of Pd in the Pd/C nanofiber mat, almost all Pt catalysts are accessible for oxygen. The electronic tuning between Pd and Pt enhances the oxygen reduction reaction activity of Pt catalysts. The large Pt surface area of the E-P electrode mitigates the oxygen-transport resistance in comparison with that of the conventional electrode. After the accelerated degradation test for 10000 cyclic voltammetry cycles, the maximum power density of the E-P electrode only decreases by 12%. The long-term stability of the E-P electrode is ascribed to the Pd/C@dendritic Pt catalysts and nanofiber structure.
关键词[WOS]: OXYGEN REDUCTION REACTION ;  CORE-SHELL ;  NANOPARTICLES ;  DEPOSITION ;  CATALYST ;  LAYER ;  NANOSTRUCTURE ;  OXIDATION ;  PEMFCS
语种: 英语
WOS记录号: WOS:000404604300006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/152072
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Liaoning, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Hong, Shaojing,Hou, Ming,Zeng, Yachao,et al. High-Performance Low-Platinum Electrode for Proton Exchange Membrane Fuel Cells: Pulse Electrodeposition of Pt on Pd/C Nanofiber Mat[J]. CHEMELECTROCHEM,2017,4:1007-1010.
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