| 摘要 |
Compositions and methods useful for oxygen sorption and other uses are presented, the compositions A composite material comprising components (A) and (B), wherein component (A) is selected from crystalline ceramic materials capable of forming a stable, reversible perovskite crystal phase at elevated temperatures (T>500° C.), and combinations thereof, and component (B) comprises a metal selected from rhodium (Rh), platinum (Pt), palladium (Pd), nickel (Ni) and silver (Ag), and combinations and alloys of these metals.
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