Low power thermoelectric generator

Details Low power thermoelectric generator Low power thermoelectric generator

2005-10-25

2005-10-25

Diamond, Alan (Department: 1753)

Batteries: thermoelectric and photoelectric

Thermoelectric

Having particular thermoelectric composition

C136S205000, C136S211000, C136S212000, C136S224000, C136S225000, C136S240000, C257S467000, C257S470000

Reexamination Certificate

active

06958443

ABSTRACT:
Disclosed is a foil segment for a thermoelectric generator comprising a top plate disposed in spaced relation above a bottom plate. An array of the foil segments is perpendicularly disposed in side-by-side arrangement between and in thermal contact with the bottom and top plates. Each foil segment comprises a substrate having a thickness of about 7.5-50 microns, opposing front and back substrate surfaces and a series of spaced alternating n-type and p-type thermoelectric legs disposed in parallel arrangement on the front substrate surface. Each of the n-type and p-type legs is formed of a bismuth telluride-based thermoelectric material having a thickness of about 5-100 microns, a width of about 10-100 microns and a length of about 100-500 microns. The alternating n-type and p-type thermoelectric legs are electrically connected in series and thermally connected in parallel such that a temperature differential between the bottom and top plates results in the generation of power.

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