SEPARATOR PLATE WITH A HOMOGENIZED BEAD STRENGTH IN THE PORT REGION

Systems and methods for separator plates, bipolar plates, stacks of plates, and electrochemical systems, comprising at least one through-opening for the passage of a fluid and a rim that delimits the through-opening. The rim having a curved course and a rectilinear course that adjoins the curved course. A bead arrangement extends around the curved course and the rectilinear course. An edge portion spans the bead arrangement and the rim, so that the bead arrangement is situated at a distance from the rim. A cutout formed in the curved course, so that a minimum distance of the bead arrangement from the rim is smaller in the curved course than in the rectilinear course.