Patent ID: 6720103
Filing Date: 2004-04-13
Classification: H01M,Y02E

Abstract:
A fuel cell, which comprises a stack of a plurality of unit cells laid one upon another, the unit cell comprising a pair of counterposed separators and a membrane-electrode assembly comprising a polymeric electrolyte membrane and two reactor electrode layers each with a catalyst layer sandwiching the polymeric electrolyte membrane, the membrane-electrode assembly being provided between the separators, characterized in that the membrane-electrode assembly is sandwiched and supported by a pair of counterposed resin gasket sheets holding a spacer sheet having a predetermined thickness, and gaskets of inverted V-shape made from cured rubber, are formed on outer surfaces of the gasket sheets or inner surfaces of the separators, respectively, and brought into tight contact with the inner surfaces of the separators or the outer surfaces of the gasket sheets, respectively, thereby attaining sealing.