Ceria and strontium titanate based electrodes

Details Ceria and strontium titanate based electrodes Ceria and strontium titanate based electrodes

H - Electricity

01

M

H01M 4/86 (2006.01) H01M 4/88 (2006.01) H01M 8/12 (2006.01)

Patent

CA 2639193

A ceramic anode structure obtainable by a process comprising the steps of: (a) providing a slurry by dispersing a powder of an electronically conductive phase and by adding a binder to the dispersion, in which said powder is niobium-doped strontium titanate, vanadium--doped strontium titanate, tantalum-doped strontium titanate, or a mixture thereof, (b) sintering the slurry of step (a), (c) providing a precursor solution of ceria, said solution containing a solvent and a surfactant, (d) impregnating the resulting sintered structure of step (b) with the precursor solution of step (c), (e) subjecting the resulting structure of step (d) to calcination, and (f) conducting steps (d)-(e) at least once.

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