Claims
- 1. An electrode material comprising a layer of nickel metal having tightly adhered thereto a heterogeneous metal oxide coating, said heterogeneous metal oxide coating consisting essentially of nickel oxide and a platinum group metal oxide.
- 2. The electrode material of claim 1 wherein the platinum group metal oxide is ruthenium oxide.
- 3. The electrode material of claim 1 wherein the heterogeneous metal oxide coating also contains a minor amount of a modifier metal oxide in addition to the nickel oxide and platinum group metal oxide.
- 4. The material of claim 1 wherein the layer of nickel metal is affixed to a substrate.
- 5. The material of claim 1 wherein the layer of nickel metal is affixed to an electroconductive substrate.
- 6. The material of claim 1 wherein the layer of nickel metal is affixed to a non-electroconductive substrate.
- 7. The material of claim 1 wherein the metal oxide coating consists essentially of nickel oxide and ruthenium oxide along with minor amounts of ZrO.sub.2 as a modifier metal oxide.
- 8. The material of claim 1 wherein the layer of nickel metal is an expanded mesh.
- 9. A composite for use as a cathode material comprising a substrate having an electrocatalytically active coating deposited thereon, said coating consisting essentially of
- a heterogeneous mixture of metal oxides containing nickel oxide and at least one oxide of a metal selected from the group consisting of Ru, Rh, Pd, Os, Ir, and Pt, and optionally, a minor amount of a modifier metal oxide.
- 10. The composite of claim 9 wherein the substrate is electroconductive.
- 11. The composite of claim 9 wherein the substrate is non-electroconductive.
- 12. The composite of claim 9 wherein the substrate has a layer of Ni between it and the heterogeneous metal oxide structure.
- 13. The composite of claim 9 wherein the substrate is non-electroconductive and wherein there is a layer of Ni between the substrate and the heterogeneous metal oxide structure.
- 14. The composite of claim 9 wherein the substrate is electrically-conductive and there is a layer of Ni between it and the heterogeneous metal oxide structure.
- 15. The composite of claim 9 wherein the heterogeneous metal oxide structure consists essentially of RuO.sub.2 and NiO.
- 16. The composite of claim 9 wherein the heterogeneous mixture of metal oxides consists essentially of RuO.sub.2 and NiO along with a minor amount of a modifier metal oxide.
- 17. The composite of claim 9 wherein the heterogeneous mixture of metal oxides consists essentially of RuO.sub.2 and NiO along with a minor amount of ZrO.sub.2 as a modifier metal oxide.
- 18. The composite of claim 9 wherein the substrate has a layer of Ni between it and the heterogeneous mixture of metal oxides,
- where said heterogeneous mixture of metal oxides consists essentially of RuO.sub.2 and NiO, along with minor amounts of ZrO.sub.2 as a modifier metal oxide.
- 19. The composite of claim 9 wherein the substrate is Ni metal.
- 20. The composite of claim 9 wherein the substrate in Ni metal and the mixture of metal oxides consists essentially of NiO and a platinum group metal oxide and, optionally, a minor amount of a modifier metal oxide.
- 21. The composite of claim 9 wherein the substrate is Ni metal and the mixture of metal oxides consists essentially of NiO and RuO.sub.2 and, optionally, a minor amount of a modifier metal oxide.
- 22. The composite of claim 9 wherein the substrate is Ni metal and the mixture of metal oxides consists essentially of NiO and RuO.sub.2 and a minor amount of ZrO.sub.2 as a modifier metal oxide.
Parent Case Info
This is a divisional of application Ser. No. 499,626 filed May 31, 1983 still pending.
US Referenced Citations (9)
Foreign Referenced Citations (7)
Number |
Date |
Country |
0046449 |
Feb 1982 |
EPX |
51-56783 |
May 1976 |
JPX |
0110983 |
Aug 1979 |
JPX |
0158288 |
Dec 1980 |
JPX |
0034185 |
Feb 1983 |
JPX |
0082984 |
May 1983 |
JPX |
WO8302288 |
Jul 1983 |
WOX |
Divisions (1)
|
Number |
Date |
Country |
Parent |
499626 |
May 1983 |
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