STRUCTURE FOR IMPROVING SEAL OF A FUEL CELL SEPARATION PLATE

摘要

A structure for improving the sealing of a fuel cell separator is provided to separately control sealing structures of a channel part and a manifold part by separating the sealing of a unit cell and a manifold while keeping an electrical contact between a unit cell and a separator even without using the conventional cell frame. A structure for improving the sealing of a fuel cell separator includes: a unit cell(340) which is provided inside a fuel cell and forms a stack; an air electrode current collector(320) which is made of a screen and formed on one surface of the unit cell; a fuel electrode current collector(330) which is made of a screen and formed on the other surface of the unit cell; a first separator(310) which is provided on the air electrode current collector and has an air electrode channel part for guiding air; a second separator(310) which is provided beneath the fuel electrode current collector and has a fuel electrode channel part for guiding fuel; a unit cell sealant(352) which glues the first separator and the second separator together along the circumference of the unit cell; and a manifold sealant(351) which seals the circumference along a first bipolar plate(315) and a second bipolar plate.