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Electrochemical behavior of 304 stainless steel with electrodeposited niobium as PEMFC bipolar plates 被引量：2

Electrochemical behavior of 304 stainless steel with electrodeposited niobium as PEMFC bipolar plates
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摘要 In order to enhance the corrosion resistance of 304 stainless steel, niobium was electrodeposited on its surface in air- and water-stable ionic liquids. The electrochemical behaviors of bare and niobium-coated 304 stainless steel were evaluated by electrochemical tests in a simulated proton exchange membrane fuel cell （PEMFC） environment. The results showed that niobium could be electrodeposited on the surface of 304 stainless steel from ionic liquids, and a smooth and strong chemical inert compound film was obtained on the surface of 304 stainless steel, which was mainly composed of NbO and Nb2Os. The thin composite film acted as a barrier and remarkably improved the corrosion resistance of 304 stainless steel in the PEMFC environment. In order to enhance the corrosion resistance of 304 stainless steel, niobium was electrodeposited on its surface in air- and water-stable ionic liquids. The electrochemical behaviors of bare and niobium-coated 304 stainless steel were evaluated by electrochemical tests in a simulated proton exchange membrane fuel cell （PEMFC） environment. The results showed that niobium could be electrodeposited on the surface of 304 stainless steel from ionic liquids, and a smooth and strong chemical inert compound film was obtained on the surface of 304 stainless steel, which was mainly composed of NbO and Nb2Os. The thin composite film acted as a barrier and remarkably improved the corrosion resistance of 304 stainless steel in the PEMFC environment.
作者 Cheng-hao Liang Cai-hong Cao Nai-bao Huang
机构地区 Transportation Equipments and Ocean Engineering College
出处 《International Journal of Minerals,Metallurgy and Materials》 SCIE EI CAS CSCD 2012年第4期328-332,共5页 矿物冶金与材料学报（英文版）
基金 supported by the National High-Tech Research and Development Program of China (No. 2009AA05Z120) the Young Teachers Program of Dalian Maritime University (No. DLMU-ZL-200720)
关键词 proton exchange membrane fuel cells ELECTRODEPOSITION NIOBIUM ionic liquids stainless steel corrosion resistance proton exchange membrane fuel cells electrodeposition niobium ionic liquids stainless steel corrosion resistance
分类号 TQ153.1 [化学工程—电化学工业] TM911.4 [电气工程—电力电子与电力传动]
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参考文献13

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International Journal of Minerals,Metallurgy and Materials
2012年 第4期

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