| 简介 |
The present disclosure relates to an enhanced oxygen storage material (OSM) that may be converted into powder form and used as a raw material for a vast number of applications, and more particularly in catalyst systems. The disclosed OSM, substantially free from PGM and rare earth (RE) metals, has significantly higher oxygen storage capacity (OSC) than conventional OSM including PGM and RE metals. The disclosed OSM may be converted into powder, including a formulation of Cu—Mn spinel structure deposited on Nb—Zr oxide support. The disclosed OSM may also be coated onto a ceramic substrate as washcoat layer for characterization under OSC isothermal oscillating condition. The disclosed OSM may have an optimal OSC property that increases with the temperature, showing acceptable level of O2 storage even at low temperatures. |
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