Alkali metal thermoelectric power generator

Details Alkali metal thermoelectric power generator Alkali metal thermoelectric power generator

1991-01-29

1992-02-04

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current production dependent upon temperature differential...

429104, H01M 1039

Patent

active

050859480

ABSTRACT:
Disclosed is an alkali metal thermoelectric power generator comprising a plurality of thermoelectric converters, which are connected in electrical series to one another by an external electronic conductor device, each of the converters converting thermal energy into electrical energy by utilizing the phenomenon that an alkali metal, arranged on each side of a solid electrolyte, diffuses across the electrolyte if the density thereof on one side of the electrolyte differs from that on the other side of the same. The generator further comprises a piping consisting of a plurality of connection pipes for returning the alkali metal condensed in a second spatial region of each thermoelectric converter to a first spatial region thereof through a common pump. Further, the respective open ends of the connection pipes, which connect the respective first regions of the converters to one another, are positioned in those portions of the respective first regions where only the vapor phase alkali metal exists.

REFERENCES:
patent: 3535163 (1970-10-01), Dzieciuch et al.
patent: 4857421 (1989-08-01), Ernst
patent: 4868072 (1989-09-01), Abbin et al.
Hunt et al., Research and Development Program on a Sodium Heat Engine, Oct. 1982, U.S. Dept. of Energy Contract No. DE-AC02-79ER10347.
Novak et al., Development of a IKWE Sodium Heat Engine, pp. 220, 223 and 224.
Seivers et al., Radioisotope Powered Alkali Metal Thermoelectric Converter Design for Space Systems, 1988 IECEC Proceedings, vol. 3, pp. 159-167.

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