Title of article :
Carbon-coated stainless steel as PEFC bipolar plate material
Author/Authors :
Tomokazu Fukutsuka، نويسنده , , Takayuki Yamaguchi، نويسنده , , Shin-Ichi Miyano، نويسنده , , Yoshiaki Matsuo، نويسنده , , Yosohiro Sugie، نويسنده , , Zempachi Ogumi، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2007
Pages :
7
From page :
199
To page :
205
Abstract :
Stainless steel is quite attractive as bipolar plate material for polymer electrolyte fuel cells (PEFCs). Passive film on stainless steel protects the bulk of it from corrosion. However, passive film is composed of mixed metal oxides and causes a decrease in the interfacial contact resistance (ICR) between the bipolar plate and gas diffusion layer. Low ICR and high corrosion resistance are both required. In order to impart low ICR to stainless steel (SUS304), carbon-coating was prepared by using plasma-assisted chemical vapor deposition. Carbon-coated SUS304 was characterized by Raman spectroscopy and atomic force microscopy. Anodic polarization behavior under PEFC operating conditions (H2SO4 solution bubbled with H2 (anode)/O2 (cathode) containing 2 ppm HF at 80 °C) was examined. Based on the results of the ICR evaluated before and after anodic polarization, the potential for using carbon-coated SUS304 as bipolar plate material for PEFC was discussed.
Keywords :
Stainless steel , Corrosion , Bipolar plate , PEFC , Carbon-coating
Journal title :
Journal of Power Sources
Serial Year :
2007
Journal title :
Journal of Power Sources
Record number :
442071
Link To Document :
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