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Electrical and corrosion properties of stainless steel bipolar plates coated with a conduction polymer composite

Authors
Lee, Yang-BokLim, Dae-Soon
Issue Date
Mar-2010
Publisher
ELSEVIER SCIENCE BV
Keywords
PEM fuel cells; Bipolar plate; Carbon; Composite; Polyamide-imide
Citation
CURRENT APPLIED PHYSICS, v.10, pp.S18 - S21
Indexed
SCIE
SCOPUS
KCI
Journal Title
CURRENT APPLIED PHYSICS
Volume
10
Start Page
S18
End Page
S21
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/116896
DOI
10.1016/j.cap.2009.11.007
ISSN
1567-1739
Abstract
Metal bipolar plates fabricated from stainless steel have many advantages, such as low contact resistance, good mechanical properties, easy manufacturing. and low cost However. they suffer from corrosion due to the acid created in the proton exchange membrane (PEM) fuel cell environment In this research, a polymer composite of polyamide-imide (PAI) filled with carbon black (CB) was coated onto stainless steel substrates The effects of the carbon black content on the corrosion resistance and the electrical contact resistance were investigated The contact resistance of the polymer composite-coated stainless steel was found to increase upon increasing the carbon black content However, increasing the carbon black content also decreased the corrosion resistance From the results obtained. the optimum carbon black content was determined (C) 2009 Elsevier B V All rights reserved
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