Alternative TitleElectrical Conductivity and Corrosion Resistance of Cr/TiN/Ti Composite Films Coated on Titanium Bipolar Plate for Fuel Cell
付广艳; 戴世鑫; 牛云松; 于志明
Source Publication腐蚀科学与防护技术
Other AbstractCr/TiN/Ti nanocrystalline composite fihns of about 3 μm were deposited on titanium bipolar plates for proton exchange membrane fuel cell (PEMFC) by hollow cathode deposition (HCD) ion plating. The electrical contact resistance of Ti plate with and without the nanocrystalline films was tested respectively, and their electrochemical corrosion performance was evaluated in 0.05 mol/L H2SO4+2 mg/L NaF solutions bubbled with H2 or O2 at 60℃ by means of po larization measurements. The results show that the contact resistance of the coated Ti plate was obviously lower than that of bare Ti plate, with about 12 mQ.cm2 under a compressive presure 1000 N/cm2. The passivation current density of the coated Ti plate was one order of magnitude smaller than that of the bare Ti plate under the condition of charging hydrogen, suggesting that the corrosion resistance of titanium bipolar plate is greatly improved by the deposition of Cr/TiN/Ti nanocrystalline composite films.
Keyword质子交换膜燃料电池 钛双极板 Cr/TiN/Ti复合镀膜 接触电阻 腐蚀性能
Indexed ByCSCD
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Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Recommended Citation
GB/T 7714
付广艳,戴世鑫,牛云松,等. 燃料电池用钛双极板表面Cr/TiN/Ti复合涂层的导电性及耐蚀性能[J]. 腐蚀科学与防护技术,2011,23.0(004):335-337.
APA 付广艳,戴世鑫,牛云松,&于志明.(2011).燃料电池用钛双极板表面Cr/TiN/Ti复合涂层的导电性及耐蚀性能.腐蚀科学与防护技术,23.0(004),335-337.
MLA 付广艳,et al."燃料电池用钛双极板表面Cr/TiN/Ti复合涂层的导电性及耐蚀性能".腐蚀科学与防护技术 23.0.004(2011):335-337.
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