05-03-2015 дата публикации
Номер: US20150064597A1
A process for forming a metal supported solid oxide fuel cell, the process comprising the steps of: a) applying a green anode layer including nickel oxide, copper oxide and a rare earth-doped ceria to a metal substrate; b) firing the green anode layer to form a composite including oxides of nickel, copper, and a rare earth-doped ceria; c) providing an electrolyte; and d) providing a cathode. Metal supported solid oxide fuel cells comprising an anode a cathode and an electrolyte, wherein the anode includes nickel, copper and a rare earth-doped ceria, fuel cell stacks and uses of these fuel cells. 1. A process for forming a metal supported solid oxide fuel cell , the process comprising the steps of:a) applying a green anode layer including nickel oxide, copper oxide and a rare earth-doped ceria to a metal substrate;b) firing the green anode layer to form a composite including oxides of nickel, copper, and a rare earth-doped ceria;c) providing an electrolyte; andd) providing a cathode.2. The process according to claim 1 , further comprising a step of compressing the green anode layer at pressures in the range 100 to 300 MPa.3. The process according to claim 1 , wherein the firing of the green anode layer occurs at a temperature in the range 950 to 1100° C.4. The process according to claim 1 , wherein the nickel oxide claim 1 , copper oxide and rare earth-doped ceria are powdered claim 1 , the powders being of particle size distribution d90 in the range 0.1 to 4 μm.5. The process according to claim 1 , wherein the nickel oxide claim 1 , copper oxide and rare earth-doped ceria are applied as an ink.6. The process according to claim 5 , wherein the ink comprises in the range 5 to 50 wt % of the total metal oxide of copper oxide.7. The process according to claim 6 , wherein the application of the green anode layer includes an initial application of the ink to the metal substrate claim 6 , and drying the ink to provide a printed layer of thickness in the range 5 to 40 μm.8. ...
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