Method for preparing anode for solid oxide fuel cells

Details Method for preparing anode for solid oxide fuel cells Method for preparing anode for solid oxide fuel cells

1993-10-12

1995-12-12

Utech, Benjamin L.

Coating processes

Electrical product produced

Fuel cell part

4271263, 427229, 4273761, 4273855, B05D 512

Patent

active

054748003

ABSTRACT:
A method of manufacturing an anode for solid oxide fuel cells is disclosed whereby the dispersion of nickel particles which form the anode for the solid oxide fuel cell is ensured, coherence of the Ni or NiO particles when being annealed or when generating electricity is prevented, the adhesion of the anode to the solid electrolyte layer is good, the contact resistance is reduced, and the electrode performance is improved.
To form an anode on one surface of the central solid electrolyte layer, first, Ni or NiO, and a solution of an organometallic complex salt in an organic solvent, from which is obtained thin- films or minute particles of a solid electrolyte by thermal decomposition, are blended, and the solvent is evaporated until a suitable viscosity is obtained. The slurry obtained in this manner is coated onto the central solid electrolyte layer and this coated film is then dried, annealed, and thermally decomposed to obtain an NiO-solid-electrolyte or an Ni-solid-electrolyte cermet.

REFERENCES:
patent: 4597170 (1986-07-01), Isenberg
patent: 4849254 (1989-07-01), Spengler et al.
patent: 5021304 (1991-06-01), Ruka et al.
patent: 5227258 (1993-07-01), Ito et al.
English Abstract of Japanese unexamined patent publication No. 64-3070 Database WPI, Section Ch, Week 8223, Derwent Publications Ltd., London GB; Class L03, AN 82-47136E & JP-A-57 071 115 (TDK Electronics KK) 1 May 1982.

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