GASKETS FOR FUEL CELLS

摘要

A gasket for sealing internal surfaces of a fuel cell and formed of compressible material, the gasket comprising a first sealing surface and a second sealing surface for providing a fluid seal against opposing faces of a first fluid flow field plate and a second fluid flow field plate respectively, the gasket further comprising a third sealing surface for sealing against an outer perimeter region of a first surface of a membrane electrode assembly, the third sealing surface being entirely enclosed within a boundary defined by an inner perimeter of the second sealing surface.