Low circumferential voltage gradient self supporting electrode for solid oxide fuel cells
Patent
·
OSTI ID:6912579
This patent describes a porous, self-supporting, axially elongated electrode structure for a solid oxide electrolyte cell, where the electrode comprises a metal oxide material having at least two chambers through its axial length, and the chambers separated by electrode material defining a structural member. The electrode structure has a contacting layer of solid electrolyte on its outer surface, and an outer layer of porous electrode on top of the electrolyte, where the outer electrode and the electrolyte have a discontinuity containing a narrow electronically conductive interconnect which extends an axial length along the self-supporting inner electrode. The electrons at points in the inner electrode farthest from the interconnect can travel to the interconnect through the structural member.
- Assignee:
- Westinghouse Electric Corp., Pittsburgh, PA
- Patent Number(s):
- US 4888254; A
- Application Number:
- PPN: US 7-226570A
- OSTI ID:
- 6912579
- Country of Publication:
- United States
- Language:
- English
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