Fabrication of protective KB/PVdF composite films on stainless steel substrates for PEFCs through electrophoretic deposition

The electrophoretic deposition (EPD) technique was employed to fabricate Ketjen black/polyvinylidene fluorid (KB/PVdF) composite films on stainless steel substrates. The preparing procedure of stable suspensions for EPD and its effects on the quality and properties of the composite films were studie...

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Bibliographic Details
Published in:Journal of the Ceramic Society of Japan 2008, Vol.116(1350), pp.201-204
Main Authors: YIN, Jingtian, FUKUI, Takehisa, MURATA, Kenji, MATSUDA, Motohide, MIYAKE, Michihiro, HIRABAYASHI, Toshihiko, YAMAMURO, Shigeki
Format: Article
Language:English
Subjects:
Ceramics
Coatings
Composite film
Electrical resistivity
Electrophoretic deposition
Metallic separator
PEFCs
Polyvinylidene fluorides
Resistivity
Stainless steels
Suspension
Synthesis
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Summary:The electrophoretic deposition (EPD) technique was employed to fabricate Ketjen black/polyvinylidene fluorid (KB/PVdF) composite films on stainless steel substrates. The preparing procedure of stable suspensions for EPD and its effects on the quality and properties of the composite films were studied. The results revealed that the synthesis of composite particles with a proper KB/PVdF ratio and their homogeneous distribution in the suspensions was a prerequisite to obtain uniform green coatings. The stainless steel substrates coated with KB/PVdF composites exhibited both high electrical conductivity and good corrosion resistance, suggesting the possibility that they serve as the bipolar plates in PEM fuel cells.
ISSN:1882-0743
1348-6535
1348-6535
DOI:10.2109/jcersj2.116.201