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High-Performance Low-Platinum Electrode for Proton Exchange Membrane Fuel Cells: Pulse Electrodeposition of Pt on Pd/C Nanofiber Mat
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
2017-05-01
DOI10.1002/celc.201600841
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
关键词[WOS]OXYGEN REDUCTION REACTION ; CORE-SHELL ; NANOPARTICLES ; DEPOSITION ; CATALYST ; LAYER ; NANOSTRUCTURE ; OXIDATION ; PEMFCS
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.
语种英语
WOS记录号WOS:000404604300006
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/152072
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, Dalian Natl Lab Clean Energy, Dalian 116023, Liaoning, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
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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.
APA Hong, Shaojing,Hou, Ming,Zeng, Yachao,Shao, Zhigang,&Yi, Baolian.(2017).High-Performance Low-Platinum Electrode for Proton Exchange Membrane Fuel Cells: Pulse Electrodeposition of Pt on Pd/C Nanofiber Mat.CHEMELECTROCHEM,4,1007-1010.
MLA Hong, Shaojing,et al."High-Performance Low-Platinum Electrode for Proton Exchange Membrane Fuel Cells: Pulse Electrodeposition of Pt on Pd/C Nanofiber Mat".CHEMELECTROCHEM 4(2017):1007-1010.
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