Patent ID: 7785749
Filing Date: 2010-08-31
Classification: H01M,Y02E,Y02P,Y10T

Abstract:
1. A fabricating method of an anode (fuel electrode) for a solid oxide fuel cell (SOFC) having an electrolyte layer; and an anode and a cathode formed to be contacted with both surfaces of the electrolyte layer, comprising the steps of: a) preparing a plurality of sheets forming the anode; b) forming holes in each sheet; b1) filling a portion of the holes of the sheets with a polymer material or carbon which is burnt out at a temperature, another portion of the holes with reinforcement member for improving strength of the fuel electrode, and the remaining portion of holes with current collecting member for improving the current collecting efficiency; b2) forming a current collecting layer connected with the current collecting member at an outside of a lower most sheet by a metalizing method; c) forming a first layer by providing a sheet, in which the holes are not formed, at an uppermost side, and forming a second layer by stacking the plurality of sheets, in which the holes are formed at each sheet, at a lower side of the first layer so that the holes formed in the sheets are communicated with each other; c1) improving an adhesive force between the stacked sheets by a warm isostatic process, isostatic process, or a pressing process; and d) sintering the stacked sheets wherein the holes, by stacking the sheets, form a gas diffusion path, a reinforcement part, and a current collecting part, and the reinforcement member and the current collecting member are formed of a mixture of Ni, at least one Ce-based oxide, and at least one YSZ-based oxide.