Batteries: thermoelectric and photoelectric – Thermoelectric – Peltier effect device
Patent
1995-03-29
1998-05-05
Jackson, Jerome
Batteries: thermoelectric and photoelectric
Thermoelectric
Peltier effect device
1362361, 136239, 136240, 257467, 257930, H01L 3518
Patent
active
057477280
ABSTRACT:
New skutterudite phases including Ru.sub.0.5 Pd.sub.0.5 Sb.sub.3, RuSb.sub.2 Te, and FeSb.sub.2 Te, have been prepared having desirable thermoelectric properties. In addition, a novel thermoelectric device has been prepared using skutterudite phase Fe.sub.0.5 Ni.sub.0.5 Sb.sub.3. The skutterudite-type crystal lattice structure of these semiconductor compounds and their enhanced thermoelectric properties results in semiconductor materials which may be used in the fabrication of thermoelectric elements to substantially improve the efficiency of the resulting thermoelectric device. Semiconductor materials having the desired skutterudite-type crystal lattice structure may be prepared in accordance with the present invention by using powder metallurgy techniques. Measurements of electrical and thermal transport properties of selected semiconductor materials prepared in accordance with the present invention, demonstrated high Hall mobilities and good Seebeck coefficients. These materials have low thermal conductivity and relatively low electrical resistivity, and are good candidates for low temperature thermoelectric applications.
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Borshchevsky Alexander
Caillat Thierry F.
Fleurial Jean-Pierre
California Institute of Technology
Guay John
Jackson Jerome
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