Preparation of Multi-Layer Film on Stainless Steel as Bipolar Plate for Polymer Electrolyte Membrane Fuel Cell

被引：0

作者：

Zhang, Dongming ^{[1
]}

Guo, Lu ^{[1
]}

Duan, Liangtao ^{[1
]}

Wang, Zaiyi ^{[1
]}

机构：

[1] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China

来源：

ENVIRONMENT MATERIALS AND ENVIRONMENT MANAGEMENT PTS 1-3 | 2010年 / 113-116卷

关键词：

film; metallic bipolar plate; polymer electrolyte membrane fuel cell; microstructure; hydrophobic; CORROSION-RESISTANCE; THERMAL NITRIDATION; TIN COATINGS; CR-NITRIDES; BEHAVIOR;

D O I：

10.4028/www.scientific.net/AMR.113-116.2255

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In the present study, we try to prepare hydrophobic film coated on stainless steel as the bipolar plate for polymer electrolyte membrane fuel cell (PEMFC). Magnetron sputtering (MS) was adoped to prepare the Cr3Ni2/Cr2N multi-layer coated on stainless steel. The corrosion resistance and electrical conductance of the coated substrate were tested. The water contact angles were measured. The film exhibits improved corrosion resistance and electrical conductance. The corrosion current is 0.58 mu A.cm(-2) and the contact resistance at 240N.cm(-2) is 8.5m Omega.cm(2). Meanwhile, it is a kind of hydrophobic film with water contact angle of 107 degrees. The performance shows strong dependance on microstructural characteristics. The nano-protrudes on the SS304/Cr3Ni2/Cr2N surface result in the film with hydrophobic property, just like the effect of lotus surface.

引用

页码：2255 / 2261

页数：7

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