Porous electrolyte retainer for molten carbonate fuel cell

Details Porous electrolyte retainer for molten carbonate fuel cell Porous electrolyte retainer for molten carbonate fuel cell

1980-11-28

1983-06-21

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Having earth feature

429193, 264125, H01M 814

Patent

active

043894674

ABSTRACT:
A porous tile for retaining molten electrolyte within a fuel cell is prepared by sintering particles of lithium aluminate into a stable structure. The tile is assembled between two porous metal plates which serve as electrodes with fuels gases such as H.sub.2 and CO opposite to oxidant gases such as O.sub.2 and CO.sub.2. The tile is prepared with a porosity of 55-65% and a pore size distribution selected to permit release of sufficient molten electrolyte to wet but not to flood the adjacent electrodes.

REFERENCES:
patent: 2276188 (1942-03-01), Greger
patent: 2980749 (1961-04-01), Broers
patent: 3268365 (1966-08-01), McQuade et al.
patent: 3845185 (1974-10-01), Kamigaito et al.
patent: 4079171 (1978-03-01), Marianowski et al.
patent: 4115632 (1978-09-01), Kinoshita et al.
Broers et al., Recent Developments in High-Temperature Fuel-Cell Research in the Netherlands, Young, Fuel Cells, vol. II, pp. 6-23, 1963.
Sim et al., Testing of Sintered LiAlO.sub.2 Structures in Molten Carbonate Fuel Cells, J. Electrochem. Soc., Electrochemical Science, and Technology, pp. 1166-1168, 1980.

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