Thermoelectric material

Details Thermoelectric material Thermoelectric material

1997-07-16

1999-03-23

Gorgos, Kathryn

Batteries: thermoelectric and photoelectric

Thermoelectric

Thermopile

136227, 136239, 136240, 252 623T, H01L 3528, H01L 3514, H01L 3520, C04B 3500

Patent

active

058862927

ABSTRACT:
A thermoelectric material having excellent thermoelectric performance is shown and described. A thermoelectric material is formed having a plurality of conductive layers and a plurality of barrier layers that are alternatingly formed one upon the other such that one conductive layer is sandwiched by two barrier layers. The conductive layers are composed of a first semiconductor only, and the two barrier layers located on the outermost sides of the material each have a main layer made of a second semiconductor only and a boundary layer made of the first and second semiconductors. A plurality of barrier layers positioned in between the conductive layers each have a main layer and two boundary layers provided on opposite sides of the main layer. The thickness t.sub.1 of the conductive layer and the thickness t.sub.2 of the barrier layer have a relationship of 2t.sub.1 .ltoreq.t.sub.2 .ltoreq.50t.sub.1.

REFERENCES:
patent: 5436467 (1995-07-01), Elsner et al.

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