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题名: Arc ion plated Cr/CrN/Cr multilayers on 316L stainless steel as bipolar plates for polymer electrolyte membrane fuel cells
作者: Zhang, Min1, 3;  Wu, Bo2;  Lin, Guoqiang2;  Shao, Zhigang3;  Hou, Ming3;  Yi, Baolian3
关键词: Stainless steel bipolar plate ;  Arc ion plating ;  Multilayer ;  Interfacial contact resistance ;  Electrochemistry corrosion
刊名: JOURNAL OF POWER SOURCES
发表日期: 2011-03-15
DOI: 10.1016/j.jpowsour.2010.11.154
卷: 196, 期:6, 页:3249-3254
收录类别: 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: Arc ion plating (AIP) is applied to coat sandwich-like Cr/CrN/Cr multilayers on stainless steel 316L (SS316L) as bipolar plates for polymer electrolyte membrane fuel cell (PEMFC). Phase structure, hardness, adhesion property, interfacial contact resistance (ICR) between bipolar plates and carbon papers, and electrochemical corrosion property in the simulated PEMFC conditions are investigated. Cr phase with crystal plane of (1 10), (2 1 1), (3 2 2), and CrN phase with (3 2 1) are observed in the multilayer. The coating is found smooth, continuous and dense in cross-sectional observation by SEM, and the sandwiched structure of the coating is also confirmed by EDX results. Scratch tests show that the multilayer exhibits strong adhesion strength with steel substrate, which is beneficial to prevent layers from peeling off mechanically. After the coating treatment, the performance of the bipolar plate is greatly improved. Knoop hardness of the bipolar plates increases from 324 HK to 692 HK. The ICR decreases by one order of magnitude; furthermore, the corrosion resistance was also enhanced. Our analysis indicates that the improvement is attributed to high adhesion force of the smooth and dense coating and the synergistic function of Cr/CrN/Cr multilayer structure. (c) 2010 Elsevier B.V. All rights reserved.
关键词[WOS]: PULSED BIAS ;  THERMAL NITRIDATION ;  CORROSION BEHAVIOR ;  CR-NITRIDES ;  FILMS ;  TIN ;  COATINGS ;  PEMFC ;  TEMPERATURE ;  RESISTANCE
语种: 英语
WOS记录号: WOS:000287058800040
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142705
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.Liaoning Normal Univ, Sch Phys & Elect Technol, Dalian 116029, Peoples R China
2.Dalian Univ Technol, Lab Mat Modificat Laser Ion & Electron Beams, Dalian 116085, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Fuel Cell R&D Ctr, Dalian 116023, Peoples R China

Recommended Citation:
Zhang, Min,Wu, Bo,Lin, Guoqiang,et al. Arc ion plated Cr/CrN/Cr multilayers on 316L stainless steel as bipolar plates for polymer electrolyte membrane fuel cells[J]. JOURNAL OF POWER SOURCES,2011,196(6):3249-3254.
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