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Doped N-Type Polycrystalline Sn-Se-S and Methods of Manufacture

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
Disclosed is a thermoelectric material according to various SSnSe-based formulas, and the systems and methods of manufacturing the thermoelectric, high performance material by hot pressing materials according to various formulas in order to obtain a figure of merit (ZT) suitable for thermoelectric applications at high (above 600K) temperatures. A disclosed method comprises hot-pressing a powder that comprises Sn and Se in a predetermined direction to form a pressed component, wherein the pressed component comprises a ZT value of at least 0.8 above about 750 K.
Ren, Zhifeng (Pearland, TX), Zhang, Qian (Houston, TX), Chere, Eyob Kebede (Houston, TX)
University of Houston System (Houston TX)
15/ 559,929
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