Functionally gradient material for membrane reactors to convert methane gas into value-added products
Patent
·
OSTI ID:403658
A functionally gradient material for a membrane reactor for converting methane gas into value-added-products includes an outer tube of perovskite, which contacts air; an inner tube which contacts methane gas, of zirconium oxide, and a bonding layer between the perovskite and zirconium oxide layers. The bonding layer has one or more layers of a mixture of perovskite and zirconium oxide, with the layers transitioning from an excess of perovskite to an excess of zirconium oxide. The transition layers match thermal expansion coefficients and other physical properties between the two different materials. 7 figs.
- Research Organization:
- University of Chicago
- DOE Contract Number:
- W-31109-ENG-38
- Assignee:
- Dept. of Energy, Washington, DC (United States)
- Patent Number(s):
- US 5,573,737/A/
- Application Number:
- PAN: 8-313,622
- OSTI ID:
- 403658
- Country of Publication:
- United States
- Language:
- English
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