SEPARATOR FOR FUEL CELLS

摘要

The size reduction is realized when a cutout is formed in a membrane-electrode assembly (MEA), and the flow of fluid is made more smooth. A separator (20) of a fuel cell has a shape such that the part, out of the outline of a manifold (15) provided to the separator (20), corresponding to the cutout of the membrane-electrode assembly has a form similar to the cutout, and a reactive gas or cooling refrigerant is fed or drained through the part (15c) having a form similar to the cutout. The cutout is formed in e.g., the corner of the membrane-electrode assembly and is a corner cut making the membrane-electrode assembly asymmetric. Out of the outline of the manifold, the portion opposed to the corner cut is preferably formed parallel to the edge of the corner cut.