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US 6,673,996 B2Granted
Thermoelectric unicouple used for power generation
AssigneeCalifornia Institute of Technology
InventorsThierry Caillat, Andrew Zoltan, Leslie Zoltan, Jeffrey Snyder
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Abstract
A high-efficiency thermoelectric unicouple is used for power generation. The unicouple is formed with a plurality of legs, each leg formed of a plurality of segments. The legs are formed in a way that equalizes certain aspects of the different segments. Different materials are also described.
Claims10
A method, comprising:
- forming an n type thermoelectric material part which has a titanium connection part;
- forming a p-type thermoelectric material part which has a titanium connection part;
- and
- connecting between the titanium connection parts of the n type thermoelectric material part and the P type thermoelectric material part, to form a contact with a resistance which is less than 5 mc-ohm-cm2;
- wherein said forming said n type material and said forming said P type material each comprise obtaining a powder of raw material, forming a flat interface area on said powder, abutting a titanium powder to said flat interface area, and hot pressing said powder, flat interface area and said titanium powder.
2 more elements
Dependencies are inferred from the claim text.