Patent ID: 8304129

Claim:
A solid electrolyte fuel cell comprising: a solid electrolyte layer, a cathode layer formed on one side of the solid electrolyte layer, and an anode layer formed on an other side of the solid electrolyte layer, wherein the cathode layer includes a first cathode layer formed in contact with the solid electrolyte layer and a second cathode layer formed covering the first cathode layer, the second cathode layer has a higher porosity than the first cathode layer, the first cathode layer is divided into a plurality of island-shaped portions, and the one side and the other side of the solid electrolyte layer includes an impression of a fabric, the one side of the solid electrolyte layer has a first roughened portion that includes a recessed portion on which one of the plurality of island-shaped portions is disposed and a raised portion forming a gap between adjacent ones of the plurality of island-shaped portions, and the one side of the solid electrolyte layer has a second roughened portion having a lower period than the first roughened portion and formed on the first roughened portion.