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题名: Ag-polytetrafluoroethylene composite coating on stainless steel as bipolar plate of proton exchange membrane fuel cell
作者: Fu, Yu1, 2;  Hou, Ming1;  Xu, Hongfeng3;  Hou, Zhongjun3;  Ming, Pingwen3;  Shao, Zhigang1;  Yi, Baolian1
关键词: proton exchange membrane fuel cell ;  metal bipolar plate ;  Ag-PTFE composite coating
刊名: JOURNAL OF POWER SOURCES
发表日期: 2008-08-01
DOI: 10.1016/j.jpowsour.2008.04.051
卷: 182, 期:2, 页:580-584
收录类别: ISTP ;  SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Electrochemistry ;  Energy & Fuels
研究领域[WOS]: Electrochemistry ;  Energy & Fuels
英文摘要: Forming a coating on metals by surface treatment is a good way to get high performance bipolar plate of proton exchange membrane fuel cell (PEMFC). In our research, Ag-polytetrafluoroethylene (PTFE) composite film was electrodeposited with silver-gilt solution of nicotinic acid by a bi-pulse electroplating power supply on 316L stainless steel bipolar plate of PEMFC. Surface topography, contact angle, interfacial conductivity and corrosion resistance of the bipolar plate samples were investigated. Results showed that the defects on the Ag-PTFE composite coating are greatly reduced compared with those on the pure Ag coating fabricated under the same condition; and the contact angle of the Ag-PTFE composite coating with water is 114 degrees, which is much bigger than that of the pure Ag coating (73 degrees). In addition, the interfacial contact resistance of the composite coating stays as low as the pure Ag coating; and the bipolar plate sample with composite coating shows a close corrosion resistance to the pure Ag coating sample in potentiodynamic and potentiostatic tests. Coated 316L stainless steel plate with Ag-PTFE composite coating exhibits well hydrophobic characteristic, less defects, high interfacial conductivity and good corrosion resistance, which shows a great potential of the application in PEMFC. Crown Copyright (c) 2008 Published by Elsevier B.V. All rights reserved.
关键词[WOS]: PEMFC ;  FILM ;  304-STAINLESS-STEEL ;  PERFORMANCE ;  NI-50CR ;  PEFC
语种: 英语
WOS记录号: WOS:000257599500024
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141078
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, Lab Fuel Cells, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Sunrise Power Co Ltd, Dalian 116025, Peoples R China

Recommended Citation:
Fu, Yu,Hou, Ming,Xu, Hongfeng,et al. Ag-polytetrafluoroethylene composite coating on stainless steel as bipolar plate of proton exchange membrane fuel cell[J]. JOURNAL OF POWER SOURCES,2008,182(2):580-584.
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