Solid oxide fuel cells and process for the production of the sam

Details Solid oxide fuel cells and process for the production of the sam Solid oxide fuel cells and process for the production of the sam

1993-09-09

1996-01-02

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 30, 429 31, 429 32, 296235, 427115, H01M 802, H01M 810, H01M 812

Patent

active

054807395

ABSTRACT:
A solid oxide fuel cell including at least one kind of an electrically conductive film formed by spraying and having a permeability constant of nitrogen gas being not more than 9.times.10.sup.-8 cm.sup.4 /g.sec. A process for producing a solid oxide fuel cell, including the steps of: forming a sprayed film on a substrate by spraying a material for the formation of an electrically conductive film, while a thickness of a sprayed film per one pass of a spraying gun is being suppressed to not more than 10 .mu.m, and then forming the electrically conductive film by thermally treating the sprayed film.

REFERENCES:
patent: 3525646 (1970-08-01), Tannenberger et al.
patent: 4397893 (1983-08-01), Bottoms
patent: 4629537 (1986-12-01), Hsu
patent: 5051321 (1991-09-01), Kitagawa et al.
patent: 5085724 (1992-02-01), Dollard et al.
patent: 5234722 (1993-08-01), Ito et al.
patent: 5281490 (1994-01-01), Nishioka et al.
Extended Abstracts, vol. 93, No. 1, 16 May 1993, Princeton, New Jersey, U.S., p. 1609, S. Kawasaki et al. "microstructure and Properties of Lanthanum Chromite Film Prepared by Thermal Spray-Sintering Process".
Thermal Spray: International Advances In Coatings Technology--Proc. Int. Therm Spray Conf., 13th 28 May-5 Jun. 1992; Florida, USA; pp. 105-110, F. Uchiyama et al. "Ceramic Coating Technique Using Laser Spray Process for Solid Oxide Fuel Cells".

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