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Oxide modified air electrode surface for high temperature electrochemical cells

Patent ·
OSTI ID:868253
 [1];  [2]
  1. Export, PA
  2. Churchill Boro, Allegheny County, PA
+ Show Author Affiliations
An electrochemical cell is made having a porous cermet electrode (16) and a porous lanthanum manganite electrode (14), with solid oxide electrolyte (15) between them, where the lanthanum manganite surface next to the electrolyte contains a thin discontinuous layer of high surface area cerium oxide and/or praseodymium oxide, preferably as discrete particles (30) in contact with the air electrode and electrolyte.
Research Organization:
National Energy Technology Laboratory, Pittsburgh, PA, and Morgantown, WV
DOE Contract Number:
AC21-80ET17089
Assignee:
Westinghouse Electric Corp. (Pittsburgh, PA)
Patent Number(s):
US 5106706
OSTI ID:
868253
Country of Publication:
United States
Language:
English

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Related Subjects

/429/
14
15
16
30
air
air electrode
cell
cells
cerium
cerium oxide
cermet
cermet electrode
contact
contains
continuous layer
discontinuous
discrete
electrochemical
electrochemical cell
electrochemical cells
electrode
electrode surface
electrolyte
lanthanum
lanthanum manganite
layer
manganite
modified
oxide
oxide electrolyte
particles
porous
porous cermet
praseodymium
praseodymium oxide
preferably
solid
solid oxide
surface
temperature
temperature electrochemical