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Stabilized tin-oxide-based oxidation/reduction catalysts
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Copyright Year | 2008 |
| Description | The invention described herein involves a novel approach to the production of oxidation/reduction catalytic systems. The present invention serves to stabilize the tin oxide reducible metal-oxide coating by co-incorporating at least another metal-oxide species, such as zirconium. In one embodiment, a third metal-oxide species is incorporated, selected from the group consisting of cerium, lanthanum, hafnium, and ruthenium. The incorporation of the additional metal oxide components serves to stabilize the active tin-oxide layer in the catalytic process during high-temperature operation in a reducing environment (e.g., automobile exhaust). Moreover, the additional metal oxides are active components due to their oxygen-retention capabilities. Together, these features provide a mechanism to extend the range of operation of the tin-oxide-based catalyst system for automotive applications, while maintaining the existing advantages. |
| File Size | 368260 |
| Page Count | 4 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_20080025188 |
| Archival Resource Key | ark:/13960/t3nw4ff1p |
| Language | English |
| Publisher Date | 2008-06-24 |
| Access Restriction | Open |
| Subject Keyword | Inorganic, Organic And Physical Chemistry Tin Oxides Metal Oxides Patents Ruthenium Catalysts Hafnium Lanthanum High Temperature Oxidation-reduction Reactions Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Patent |
