The present invention provides an electrically conductive element for a
proton exchange membrane fuel cell having low electrical contact
resistance and high corrosion resistance. The conductive element
comprises a corrosion susceptible metal substrate with a surface, which
is preferably treated to activate the surface (i.e., to remove a
passivation layer of oxides from the surface) with an acidic treatment
solution. The treated surface is then overlaid with an electrically
conductive, corrosion-resistant, protective coating to protect the
substrate re-forming a passivation layer while exposed to the corrosive
environment of the fuel cell. The present invention also provides methods
of preparing an electrically conductive element to have low electrical
contact resistance and high corrosion resistance.