Claims
- 1. A thermally stable solid oxide fuel cell electrode material which comprises a metal-stabilized-zirconia wherein surface area of said material is from about 150 m2/g to about 500 m2/g.; and wherein said material has uniform pore sizes from about 10 Å to about 30 Å; and wherein said metal is compatible with said zirconia.
- 2. A thermally stable solid oxide fuel cell electrode material according to claim 1 wherein said compatible metal is selected from the group consisting of alkaline earth metals and transition metals.
- 3. A thermally stable solid oxide fuel cell electrode material according to claim 2 wherein said compatible metal is yttria.
- 4. A thermally stable solid oxide fuel cell electrode material according to claim 3 wherein said electrode material comprises from about 10 to about 60 atomic percentage yttria.
- 5. A thermally stable solid oxide fuel cell electrode material according to claim 2 which further comprises a third metal; wherein said third metal is a transition metal; and wherein said third metal is soluble with said metal-stabilized zirconia.
- 6. A thermally stable solid oxide fuel cell electrode material according to claim 5 wherein said third metal is selected from the group consisting of titanium and niobium.
- 7. A thermally stable solid oxide fuel cell electrode material according to claim 2 which further comprises a third metal; wherein said third metal is incorporated as nanoclusters; and wherein said nanoclusters are uniformly dispersed throughout said solid oxide fuel cell electrode material; and wherein said third metal is a transition metal.
- 8. A solid oxide fuel cell electrode material according to claim 7 wherein said third metal is selected from the group consisting of platinum, nickel, palladium, copper, iron, ruthenium, rhodium and cobalt.
CROSS-REFERENCE TO RELATED APPLICATIONS
This application claims priority to U.S. Provisional Application Serial No. 60/153,502 filed on Sep. 13, 1999.
US Referenced Citations (9)
Foreign Referenced Citations (2)
Number |
Date |
Country |
405234600 |
Sep 1993 |
JP |
WO 9965822 |
Dec 1999 |
WO |
Provisional Applications (1)
|
Number |
Date |
Country |
|
60/153502 |
Sep 1999 |
US |