Batteries: thermoelectric and photoelectric – Thermoelectric – Peltier effect device
Patent
1983-07-21
1985-01-01
Sebastian, Leland A.
Batteries: thermoelectric and photoelectric
Thermoelectric
Peltier effect device
136205, 136239, 136240, 357 11, 420501, 420572, 420577, H01L 3528
Patent
active
044916795
ABSTRACT:
The disclosed invention includes improved devices and materials for thermoelectric conversion, particularly for operation at temperatures of 300.degree. C. and below. Disordered p-type semiconductor elements incorporate compound adjuvants of silver and lead to achieve enhanced "figure of merit" values and corresponding increased efficiencies of thermoelectric conversion. Similar results are obtained with disordered n-type elements by employing lowered selenium contents, preferably in combination with cuprous bromide.
Improved conversion devices include powder pressed elements from one or both of these materials.
REFERENCES:
patent: 3485757 (1969-12-01), Shapiro
patent: 3695867 (1972-10-01), Skrabek et al.
patent: 3902923 (1975-09-01), Evans et al.
patent: 3956017 (1976-05-01), Shigemasa
F. D. Rosi, et al., Materials for Thermoelectric Refrigeration, Jan. 1959, pp. 191-200, vol. 10.
T. Durst, et al., Production of Alloys of Bismuth Telluride for Solar Thermoelectric Generators, 1981, pp. 181-186.
G. N. Gordiakova, et al., Investigation of Thermoelectric Properties of Solid Solutions Bi.sub.2 Te.sub.3 -Bi.sub.2 Se.sub.3, Jan. 1959, pp. 1-14.
Energy Conversion Devices Inc.
Goldman Richard M.
Sebastian Leland A.
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