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Synthesis of N-Type Thermoelectric Materials, Including Mg-Sn-Ge Materials, and Methods for Fabrication Thereof

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
Discussed herein are systems and methods for fabrication of MgSnGe-based thermoelectric materials for applications from room temperature and near room temperature to high temperature applications. The TE materials may be fabricated by hand or ball milling a powder to a predetermined particle size and hot-pressing the milled powder to form a thermoelectric component with desired properties including a figure of merit (ZT) over a temperature range. The TE materials fabricated may be disposed in thermoelectric devices for varying applications.
Ren, Zhifeng (Houston, TX), Liu, Weishu (Houston, TX)
University of Houston System (Houston TX)
15/ 547,374
December 10, 2015
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] This work is partially 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/DE-FG02-09ER46577 (materials synthesis and characterizations), and partially by "Concentrated Solar Thermoelectric Power (CSP)", a DOE SunShot CSP grant, under award number DE-EE0005806 (leg efficiency and output power density calculation). The work is also supported in part by U.S. Air Force Office of Scientific Research Grant No. FA9550-09-1-0656.