Applying a tapered electrode on a porous ceramic support tube by masking a band inside the tube and drawing in electrode material from the outside of the tube by suction
Patent
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OSTI ID:7276712
An electrode is deposited on a support by providing a porous ceramic support tube having an open end and closed end; masking at least one circumferential interior band inside the tube; evacuating air from the tube by an evacuation system, to provide a permeability gradient between the masked part and unmasked part of the tube; applying a liquid dispersion of solid electrode particles to the outside surface of the support tube, where liquid flows through the wall, forming a uniform coating over the unmasked support part and a tapered coating over the masked part. 2 figures.
- DOE Contract Number:
- AC21-80ET17089
- Assignee:
- Westinghouse Electric Corp., Pittsburgh, PA (United States)
- Patent Number(s):
- US 5073405; A
- Application Number:
- PPN: US 7-641390
- OSTI ID:
- 7276712
- Resource Relation:
- Patent File Date: 15 Jan 1991
- Country of Publication:
- United States
- Language:
- English
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