Ni modified ceramic anodes for direct-methane solid oxide fuel cells
In accordance with certain embodiments of the present disclosure, a method for fabricating a solid oxide fuel cell is described. The method includes synthesizing a composition having a perovskite present therein. The method further includes applying the composition on an electrolyte support to form an anode and applying Ni to the composition on the anode.
1. A method for fabricating a solid oxide fuel cell comprising:
synthesizing a composition comprising a perovskite comprising Sr 2 Fe 1.5 Mo 0.5 O 6-δ;
applying the composition on an electrolyte support to form an anode; and
applying Ni to the composition on the anode, wherein from about 0.1 to about 5 weight percent of Ni is applied to the composition on the anode.
2. The method of claim 1 , wherein the electrolyte support comprises La 0.9 Sr 0.1 Ga 0.8 Mg 0.2 O 3 .
3. The method of claim 1 , wherein the composition is synthesized by a microwave-assisted combustion method.
4. The method of claim 1 , further comprising utilizing a dry-pressing method to form the electrolyte support.
5. The method of claim 1 , wherein the composition is synthesized with a metal precursor.
6. The method of claim 1 , wherein the Ni is applied to the composition in the form of Ni(NO 3 ) 2 solution.
7. The method of claim 6 , wherein NiO is formed on the anode.
8. The method of claim 1 , further comprising operating the anode as a cathode.
9. A solid oxide fuel cell comprising:
an anode comprising a perovskite on an electrolyte support, the perovskite comprising Sr 2 Fe 1.5 Mo 0.5 O 6-δ ; and
wherein the anode further comprises Ni in an amount of from about 0.1 to about 5 weight percent of the anode.
10. The fuel cell of claim 9 , wherein the electrolyte support comprises La 0.9 Sr 0.1 Ga 0.8 Mg 0.2 O 3 .
11. The fuel cell of claim 9 , wherein the perovskite is synthesized by a microwave-assisted combustion method.
12. The fuel cell of claim 9 , wherein a dry-pressing method is utilized to form the electrolyte support.
13. The fuel cell of claim 9 , wherein the perovskite is synthesized with a metal precursor.
14. The fuel cell of claim 9 , wherein the Ni is in the form of NiO.
15. The fuel cell of claim 9 , further comprising operating the anode as a cathode.