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A novel H3PO4/Nafion-PBI composite membrane for enhanced durability of high temperature PEM fuel cells
Zhai, Yunfeng; Zhang, Huamin; Zhang, Yu; Xing, Danmin; Zhang HM(张华民); Zhang HM(张华民)
关键词High Temperature Pemfc H3po4/nafion-pbi Acid-base Polymer Complex Durability Mechanical Failure
刊名JOURNAL OF POWER SOURCES
2007-06-20
DOI10.1016/j.jpowsour.2007.03.004
169期:2页:259-264
收录类别SCI
文章类型Article
部门归属3
项目归属303
产权排名1;1
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Electrochemistry ; Energy & Fuels
研究领域[WOS]Electrochemistry ; Energy & Fuels
关键词[WOS]ACID DOPED POLYBENZIMIDAZOLE ; POLYMER ELECTROLYTE ; PHOSPHORIC-ACID ; OXYGEN REDUCTION ; LIFE TEST ; CONDUCTIVITY ; OPERATION
英文摘要A novel phosphoric acid doped Nation-polybenzimidazole (H3PO4/Nafion-PBl) composite membrane was prepared and the H-2/O-2 single cell durability was tested at 150 degrees C without humidification. The durability was improved 55% compared with that of phosphoric acid doped polybenzimidazole (H3PO4/PBI). During the durability test, the hydrogen permeability of the membrane and the internal resistance of the single cell were detected using linear sweep voltammetry (LSV) and electrochemical impedance spectroscopy (EIS), respectively. Before and after the durability test, the mechanical strength of the membranes was measured by stress-strain tests. The results of characterization indicated that the enhanced durability of the membrane attributed to the improved mechanical strength, which benefited from the presence of Nafion in the Nation and PBI matrix. The preliminary results suggested that the novel H3PO4/Nafion-PBI composite membrane is a good candidate in high temperature PEMFC for achieving longer cell lifetime. (c) 2007 Elsevier B.V All rights reserved.
语种英语
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WOS记录号WOS:000247418100005
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被引频次:94[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/98999
专题中国科学院大连化学物理研究所
通讯作者Zhang HM(张华民); Zhang HM(张华民)
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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Zhai, Yunfeng,Zhang, Huamin,Zhang, Yu,et al. A novel H3PO4/Nafion-PBI composite membrane for enhanced durability of high temperature PEM fuel cells[J]. JOURNAL OF POWER SOURCES,2007,169(2):259-264.
APA Zhai, Yunfeng,Zhang, Huamin,Zhang, Yu,Xing, Danmin,张华民,&张华民.(2007).A novel H3PO4/Nafion-PBI composite membrane for enhanced durability of high temperature PEM fuel cells.JOURNAL OF POWER SOURCES,169(2),259-264.
MLA Zhai, Yunfeng,et al."A novel H3PO4/Nafion-PBI composite membrane for enhanced durability of high temperature PEM fuel cells".JOURNAL OF POWER SOURCES 169.2(2007):259-264.
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