Journal of Applied Electrochemistry

, Volume 30, Issue 1, pp 101–105

Bipolar plate materials for solid polymer fuel cells

  • D.P. Davies
  • P.L. Adcock
  • M. Turpin
  • S.J. Rowen


The interfacial ohmic losses between the bipolar plate and the MEA can significantly reduce the overall power output from a SPFC. For graphitic bipolar plate materials, these losses are insignificant relative to stainless steel, where the existence of a passive film on the surface greatly reduces electrical conductivity. In this paper we have evaluated different bipolar plate materials, and present long-term fuel cell data for Poco® graphite, titanium, 316 and 310 stainless steel. The properties of the passive film on the surface of 316 and 310 stainless steel are markedly different. Although both were adequately corrosion resistant in a fuel cell environment, 310 tended to produce higher fuel cell performance and like 316, no degradation was observed after 1400 h testing. Analysis of the passive film indicated that this increased performance was related to the decreased thickness of the oxide film.

bipolar plate passive film solid polymer fuel cell stainless steel 


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Copyright information

© Kluwer Academic Publishers 2000

Authors and Affiliations

  • D.P. Davies
    • 1
  • P.L. Adcock
    • 1
  • M. Turpin
    • 1
  • S.J. Rowen
    • 1
  1. 1.Fuel Cell Research Group, Department of AAETSLoughborough University, LoughboroughLeicestershireGreat Britain

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