| 摘要 |
Provided is a fuel cell using a metal separator, wherein the fuel cell more reliably suppresses leaks of the reaction gas without using excessive tightening force and has a simple structure. In a solid polymer single fuel cell having a frame protecting a membrane electrode assembly (MEA) and a metal separator: 1) The center portion of the separator faces the electrodes and forms a linear flow path, the outer periphery of the separator has a planar structure with a manifold hole. 2) The frame protecting the MEA is a sealing material covering the periphery of each electrode, and has the sealing material in contact with the rib at the boundary of the center part and the outer periphery of the separator to regulate the flow of the reaction gas. 3) Each contact surface of the sealing material covering the electrode peripheries and the rib at the boundary between the center part and the outer periphery of the separator is inclined with respect to the layering direction from the frame to the separator. |
