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Title: Sulfur tolerant composite cermet electrodes for solid oxide electrochemical cells

An electrochemical apparatus is made containing an exterior electrode bonded to the exterior of a tubular, solid, oxygen ion conducting electrolyte where the electrolyte is also in contact with an interior electrode, said exterior electrode comprising particles of an electronic conductor contacting the electrolyte, where a ceramic metal oxide coating partially surrounds the particles and is bonded to the electrolyte, and where a coating of an ionic-electronic conductive material is attached to the ceramic metal oxide coating and to the exposed portions of the particles.
Inventors:
 [1]
  1. (Pittsburgh, PA)
Issue Date:
OSTI Identifier:
866401
Assignee:
Westinghouse Electric Corp. (Pittsburgh, PA) OSTI
Patent Number(s):
US 4702971
Contract Number:
AC02-80ET17089
Research Org:
WESTINGHOUSE ELECTRIC CORP
Country of Publication:
United States
Language:
English
Subject:
sulfur; tolerant; composite; cermet; electrodes; solid; oxide; electrochemical; cells; apparatus; containing; exterior; electrode; bonded; tubular; oxygen; conducting; electrolyte; contact; interior; comprising; particles; electronic; conductor; contacting; ceramic; metal; coating; partially; surrounds; ionic-electronic; conductive; material; attached; exposed; portions; cermet electrodes; cermet electrode; conducting electrolyte; interior electrode; oxide coating; ceramic metal; oxide electrochemical; electrochemical cells; conductive material; metal oxide; electrochemical cell; solid oxide; electronic conductor; electrode comprising; sulfur tolerant; exterior electrode; electrochemical apparatus; comprising particles; composite cermet; exposed portions; tolerant composite; /429/