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Chromium nitride films on stainless steel as bipolar plate for proton exchange membrane fuel cell
Wu, Bo1; Fu, Yu2; Xu, Jun1; Lin, Guoqiang1; Hou, Ming3; Guoqiang Lin
关键词Chromium Nitride Stainless Steel Bipolar Plates Pulsed Bias Arc Ion Plating
刊名JOURNAL OF POWER SOURCES
2009-12-01
DOI10.1016/j.jpowsour.2009.06.029
194期:2页:976-980
收录类别SCI
文章类型Article
部门归属3
项目归属301
产权排名3;5
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]CR-NITRIDES ; NI-50CR ; ALLOYS ; GROWTH ; COST
英文摘要A series of chromium nitride films are prepared on stainless steel substrates by pulsed bias arc ion plating (PBAIP) at different N(2) flow rate as bipolar plates for proton exchange membrane fuel cell (PEMFC). The film chemical composition and phase structure are characterized by X-ray photoelectron spectroscopy (XPS) and X-ray diffractometry (XRD). The characterization results indicate that the nitrogen content of deposited films varies from 0.28 to 0.50, and the phase structure changes from mixtures of Cr + Cr(2)N, pure Cr(2)N through Cr(2)N+CrN, to pure CrN. The interfacial contact resistance between samples and carbon paper is measured by Wang's method, and a minimum value of 5.8 m Omega cm(2) is obtained under 1.2 MPa compaction force. The anticorrosion property is examined by potentiodynamic test in the simulated corrosive circumstance of the PEMFC under 25 degrees C, and the lowest corrosive current density of 5.9 x 10(-7) A cm(-2) is obtained at 0.6V (vs. SCE). Stainless steel substrates coated by the film with lowest contact resistance are chosen as the bipolar plates to assemble cells. An average voltage value of 0.62V is achieved at 500 mA cm(-2), which is close to that of the cell with Ag-plated bipolar plates. Crown Copyright (C) 2009 Published by Elsevier B.V. All rights reserved.
语种英语
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WOS记录号WOS:000270620500052
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被引频次:35[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/321008/102365
专题中国科学院大连化学物理研究所
通讯作者Guoqiang Lin
作者单位1.Dalian Univ Technol, Lab Mat Modificat Laser Ion & Electron Beams, Dalian 116085, Peoples R China
2.Sunrise Power Co Ltd, Dalian 116025, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Fuel Cell R&D Ctr, Dalian 116023, Peoples R China
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GB/T 7714
Wu, Bo,Fu, Yu,Xu, Jun,et al. Chromium nitride films on stainless steel as bipolar plate for proton exchange membrane fuel cell[J]. JOURNAL OF POWER SOURCES,2009,194(2):976-980.
APA Wu, Bo,Fu, Yu,Xu, Jun,Lin, Guoqiang,Hou, Ming,&Guoqiang Lin.(2009).Chromium nitride films on stainless steel as bipolar plate for proton exchange membrane fuel cell.JOURNAL OF POWER SOURCES,194(2),976-980.
MLA Wu, Bo,et al."Chromium nitride films on stainless steel as bipolar plate for proton exchange membrane fuel cell".JOURNAL OF POWER SOURCES 194.2(2009):976-980.
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