H - Electricity – 01 – M
Patent
H - Electricity
01
M
319/29
H01M 6/36 (2006.01) H01G 9/00 (2006.01) H01M 10/39 (2006.01)
Patent
CA 1057353
IMPROVED THERMOELECTRIC GENERATOR ABSTRACT OF THE DISCLOSURE An improved thermoelectric generator of the type having (1) enclosure means for a first reaction zone; (2) enclosure means for a second reaction zone; (3) a reaction zone separator which (a) separates and essentially completes enclosure of the two reaction zones and (b) comprises a cationically-conductive, solid electrolyte that is essentially impermeable to elemental alkali metal and compounds thereof and ionically conductive with respect to cations of the alkali metal; (4) alkali metal within the first reaction zone and in fluid communication with the solid electrolyte; (5) an electrode within the second re- action zone in electrical contact with the solid electrolyte and sufficiently porous to permit alkali metal vapor to pass there- through; (6) conduction means for electron flow between the alkali metal within the first reaction zone and the electrode; (7) inlet means for introducing the alkali metal into the first reaction zone; and (8) temperature control means adapted to maintain a temperature in the first reaction zone at least 100° C in excess of the lowest temperature in the second re- action zone. The improvement of the invention comprises em- ploying as the electrode a porous film of a metal which has a melting point above about 1000° C and which is chemically inert to sodium, the film having been deposited on said reaction zone separator by chemical vapor deposition.
254392
Saillant Roger B.
Weber Neill
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