Thermoelectric energy conversion

Details Thermoelectric energy conversion Thermoelectric energy conversion

1989-11-20

1994-02-22

Walsh, Donald P.

Batteries: thermoelectric and photoelectric

Thermoelectric

136203, 136204, 136205, 136211, 136212, 136224, 136225, 136226, H01L 3504

Patent

active

052883361

ABSTRACT:
A thermopile 30 comprises a stacked assembly of bimetallic layers in which there is full conductor interface contact over the distance separating hot and cold surfaces 31, 32. The assembly may include dielectric layers forming a capacitor stack. A.C. current through the stack is matched in strength to the Seebeck-generated thermoelectric current circulating in each bimetallic layer. The resulting current snakes through the stack to cause Peltier cooling at one heat surface and heating at the other. A.C. operation at a kilocycle frequency enhances the energy conversion efficiency as does heat flow parallel with the junction interface.

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