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Half-Heusler Compounds for Use in Thermoelectric Generators

United States Patent Application

20170141282
A1
View the Complete Application at the US Patent & Trademark Office
A thermoelectric generator includes a hot side heat exchanger, a cold side heat exchanger, a plurality of n-type semiconductor legs arranged between the hot side heat exchanger and the cold side heat exchanger, and a plurality of p-type semiconductor legs arranged between the hot side heat exchanger and the cold side heat exchanger and alternating electrically in series with the plurality of n-type semiconductor legs. At least one of the plurality of n-type semiconductor legs and the plurality of p-type semiconductor legs is formed of an alloy having a half-Heusler structure and comprising Si and Sn with molar fractions of x Sn and 1-x Si, and x is less than 1.
Samsonidze, Georgy (Dorchester, MA), Kozinsky, Boris (Waban, MA)
14/ 943,069
November 17, 2015
[0001] This invention was made with government support under DE-EE0004840 awarded by the Department of Energy-Office of Energy Efficiency and Renewable Energy. The government has certain rights in the invention.