Patent ID: 6787261
Filing Date: 2004-09-07
Classification: C04B,H01M,Y02E,Y02P

Abstract:
A solid oxide fuel cell having an electrolyte electrode assembly in which a fuel electrode is connected to one face of a first solid electrolyte showing oxide ion conductivity and in which an air electrode is connected to the other face, whereinthe fuel electrode comprises a cermet of a catalyst and of a second solid electrolyte whose oxide ion conductivity is more than or equal to 0.2 S/cm at 1000Â° C., the second solid electrolyte is scandia-stabilized zirconia containing 9 to 12 mol % of scandia (Sc2O3) to which greater than zero and less than or equal to 2 mol % of at least one kind of oxide selected from the group consisting of yttria (Y2O3) and ceria (CeO2) is further added, and the fuel electrode is directly provided with fuel including hydrocarbon and steam.