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Contacts for Bi-Te-Based Materials and Methods of Manufacture

United States Patent Application

20180076372
A1
View the Complete Application at the US Patent & Trademark Office
Systems and methods of manufacturing thermoelectric devices comprising at least one electrical contact fabricated using hot-pressing to increase the bonding strength at the contact interface(s) and reducing the contact resistance. The hot pressed component may include a first and a second metallic layer each in contact with a thermoelectric layer, and where a contact resistance between the first metallic layer and the thermoelectric layer or between the second metallic layer and the thermoelectric layer is less than about 10 .mu..OMEGA. cm.sup.2. When interlayers are employed in a thermoelectric device, first hot pressed contact interface is formed between the thermoelectric layer and the first interlayer and a second hot pressed contact interface is formed between the thermoelectric layer and the second interlayer, and at least one of the first and the second hot pressed contact interfaces comprises a bonding strength of at least 16 MPa.
Ren, Zhifeng (Pearland, TX), Liu, Weishu (Houston, TX)
University of Houston System (Houston TX)
15/ 565,700
December 10, 2015
STATEMENT REGARDING FEDERALLY-SPONSORED RESEARCH OR DEVELOPMENT [0002] This work is supported by "Solid State Solar Thermal Energy Conversion Center (S.sup.3TEC)", an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Science under award number DE-SC0001299