Patent ID: 7264899

Claim:
A fuel cell comprised of a solid electrolyte layer sandwiched by a cathode layer and an anode layer to which a mixed gas of a fuel gas and air mixed together is supplied, wherein: the fuel cell is formed into a folded member comprised of a single cell layer comprised of the cathode layer, the solid electrolyte layer, and the anode layer, stacked together, or a multilayer member comprised of a plurality of the single cell layers, stacked together and folded back and forth, facing surfaces of the adjoining strata of the single cell layer or the multilayer member, of the folded member, are both formed by cathode layers or by anode layers, and the cathode layer and the anode layer, or facing surfaces of the adjoining strata of the single cell layer or the multilayer member, have spacer members forming a gas passage therebetween enabling passage therethrough of the mixed gas.