Fuel cell separator, manufacturing method of same, and fuel cell and vehicle using the separator

摘要

A fuel cell separator is provided with a separator substrate made of metal which has at least one open portion through which a fluid can pass provided in a predetermined position, and a film coating member that coats a predetermined area including the open portion of the separator substrate. A portion of the film coating member that corresponds to at least a peripheral edge portion of the open portion is adhesion treated.