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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
KeywordChromium Nitride Stainless Steel Bipolar Plates Pulsed Bias Arc Ion Plating
Source PublicationJOURNAL OF POWER SOURCES
2009-12-01
DOI10.1016/j.jpowsour.2009.06.029
Volume194Issue:2Pages:976-980
Indexed BySCI
SubtypeArticle
Department3
Funding Project301
Contribution Rank3;5
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectElectrochemistry ; Energy & Fuels
WOS Research AreaElectrochemistry ; Energy & Fuels
WOS KeywordCR-NITRIDES ; NI-50CR ; ALLOYS ; GROWTH ; COST
AbstractA 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.
Language英语
URL查看原文
WOS IDWOS:000270620500052
Citation statistics
Cited Times:37[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/102365
Collection中国科学院大连化学物理研究所
Corresponding AuthorGuoqiang Lin
Affiliation1.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
Recommended Citation
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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