Fuel cell electrodes

Claim 1

A FUEL CELL FOR THE GENERATION OF ELECTRICAL ENERGY DIRECTLY FROM A FUEL AND OXIDANT COMPRISING AN ELECTROLYTE, AT LEAST ONE OXIDIZING ELECTRODE, AT LEAST ONE FUEL ELECTRODE, SAID ELECTRODES BEING IN CONTACT WITH SAID ELECTROLYTE, AND MEANS FOR PROVIDING FUEL CELLS REACTANTS TO SAID ELECTRODES, AT LEAST ONE OF SAID ELECTRODES BEING A SANDWICH-TYPE STRUCTURE WHEREIN A POROUS HYDROPHOBIC POLYMER MAATRIX HAVING A POROUS CONDUCTIVE CATALYTICALLY ACTIVATING MARAL LAYER IN INTIMATE CONTACT WITH ONE SURFACE THEREOF AND A POROUS HYDROPHILIC POROUS MATRIX HAVING A POROUS CONDUCTIVE CATALYTICALLY ACTIVATING METAL LAYER IN INTIMATE CONTACT WITH ONE SURFACE THEREOF ARE SANDWICHED TOGETHER WITH THE CATALYTIC LAYERS OF SAID POLYMER MATRICES BEING IN INTIMATE CONTACT WITH EACH OTHER, SAID HYDROPHOBIC POLYMER BEING IN CONTACT WITH A FUEL CELL REACTANT AND THE HYDROPHILIC POLYMER SURFACE BEING IN CONTACT WITH THE ELECTROLYTE OF THE FUEL CELL.