FUEL CELL SEPARATOR AND POWER GENERATION CELL

A second separator (fuel cell separator) of a power generation cell is provided with a second separator body. Second flow field grooves and second flow field protrusions are alternately arranged on the surface of the second separator body. The second flow field protrusions includes first curved convex portions and second curved convex portions alternately arranged in the first direction. The first curved convex portion is formed with a first communication groove communicating with mutually adjacent second flow field grooves, and the second curved convex portion is formed with a second communication groove communicating with mutually adjacent second flow field grooves.