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Title: Modified cermet fuel electrodes for solid oxide electrochemical cells

An exterior porous electrode (10), bonded to a solid oxygen ion conducting electrolyte (13) which is in contact with an interior electrode (14), contains coarse metal particles (12) of nickel and/or cobalt, having diameters from 3 micrometers to 35 micrometers, where the coarse particles are coated with a separate, porous, multiphase layer (17) containing fine metal particles of nickel and/or cobalt (18), having diameters from 0.05 micrometers to 1.75 micrometers and conductive oxide (19) selected from cerium oxide, doped cerium oxide, strontium titanate, doped strontium titanate and mixtures thereof.
 [1];  [2]
  1. (Churchill Boro, PA)
  2. (Murrysville, PA)
Issue Date:
OSTI Identifier:
Westinghouse Electric Corp. (Pittsburgh, PA) NETL
Patent Number(s):
US 5021304
Contract Number:
Research Org:
Country of Publication:
United States
modified; cermet; fuel; electrodes; solid; oxide; electrochemical; cells; exterior; porous; electrode; 10; bonded; oxygen; conducting; electrolyte; 13; contact; interior; 14; contains; coarse; metal; particles; 12; nickel; cobalt; diameters; micrometers; 35; coated; separate; multiphase; layer; 17; containing; fine; 18; 05; 75; conductive; 19; selected; cerium; doped; strontium; titanate; mixtures; metal particle; strontium titanate; coarse particle; coarse particles; conducting electrolyte; interior electrode; doped cerium; cerium oxide; conductive oxide; oxide electrochemical; metal particles; electrochemical cells; electrochemical cell; solid oxide; porous electrode; fuel electrode; solid oxygen; fuel electrodes; cermet fuel; containing fine; /429/427/