Modified cermet fuel electrodes for solid oxide electrochemical

Details Modified cermet fuel electrodes for solid oxide electrochemical Modified cermet fuel electrodes for solid oxide electrochemical

1989-03-22

1991-06-04

Kalafut, Stephen J.

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 44, 427115, H01M 810, H01M 486

Patent

active

050213040

ABSTRACT:
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.

REFERENCES:
patent: 4582766 (1986-04-01), Isenberg et al.
patent: 4702971 (1987-10-01), Isenberg
patent: 4767518 (1988-08-01), Maskalick
patent: 4847172 (1989-07-01), Maskalick et al.
patent: 4849254 (1989-07-01), Spengler et al.

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