Preparation of a solid oxide fuel cell having thin electrolyte a

Details Preparation of a solid oxide fuel cell having thin electrolyte a Preparation of a solid oxide fuel cell having thin electrolyte a

1994-09-07

1996-12-31

Fiorilla, Christopher A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 89, 156182, C04B 3700

Patent

active

055890172

ABSTRACT:
A fuel cell is made by preparing a first unfired anode ceramic tape and a second unfired electrolyte ceramic tape, with the second ceramic tape being much thinner than the first ceramic tape. The first ceramic tape and the second ceramic tape are laminated together to form an unfired anode/electrolyte laminate, which is rolled to reduce the layer thicknesses. The anode layer is embossed with a gas flow path pattern. A third unfired cathode ceramic tape and a fourth unfired interconnect ceramic tape are prepared, with the fourth ceramic tape being much thinner than the third ceramic tape. The third ceramic tape and the fourth ceramic tape are laminated together to form an unfired cathode/interconnect laminate, which is rolled to reduce the layer thicknesses. The cathode layer is embossed with a gas flow pattern. The two laminates are sintered, stacked, and bonded in the appropriate pattern to form a fuel cell element.

REFERENCES:
patent: 2371353 (1945-03-01), Parsons
patent: 2966719 (1961-01-01), Park, Jr.
patent: 3991149 (1961-01-01), Hurwitt
patent: 4752857 (1988-06-01), Khoury et al.
patent: 4816036 (1989-03-01), Kotchick
patent: 4913982 (1990-04-01), Kotchick et al.
patent: 5053294 (1991-10-01), Sernka et al.

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