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US 8,986,566 B2Granted
Thermoelectric material, thermoelectric device using the same, and method of manufacturing thereof
AssigneeSamsung Electronics Co., Ltd.
InventorsKyu-hyoung Lee, Sung-woo Hwang, Sang-il Kim, Sang-mock Lee, Kyung-han Ahn
Life of this patent
Estimating the term…
Abstract
A thermoelectric material including a composition according to Chemical Formula 1: (Bia-xSb1-a-yMb)2-i(TecSe1-c)3-j Chemical Formula 1 wherein M is an element of Group 13, 0≦a≦1, 0<b≦0.004, 0≦x≦b, 0≦y≦b, x+y=b, 0≦c≦1, −0.2≦i≦0.2, and −0.2≦j≦0.2.
Claims18
A thermoelectric material comprising a composition according to Chemical Formula 1:
- (Bia-xSb1-a-yInb)2-i(TecSe1-c)3-j Chemical Formula 1
- wherein 0≦a≦1, 0<b≦0.004, 0≦x≦b, 0≦y≦b, x+y=b, 0≦c≦1, −0.2≦i≦0.2, and −0.2≦j≦0.2.
A thermoelectric material comprising a composition according to Chemical Formula 2:
- (Bi0.2-xSb0.8-yInb)2-iTe3-j Chemical Formula 2
- wherein 0<b≦0.004, 0≦x≦b, 0≦y≦b, x+y=b, −0.2≦i≦0.2, and −0.2≦j≦0.2.
A method of manufacturing a thermoelectric material comprising a composition according to Chemical Formula 1:
- (Bia-xSb1-a-yInb)2-i(TecSe1-c)3-j Chemical Formula 1
- wherein 0≦a≦1, 0<b≦0.004, 0≦x≦b, 0≦y≦b, x+y=b, 0≦c≦1, −0.2≦i≦0.2, and −0.2≦j≦0.2, the method comprising:
- forming a mixture by contacting Bi, Sb, In, Te, and Se wherein a mole fraction of each of the Bi, Sb, In, Te, and Se are according to Chemical Formula 1;
- melting the mixture to from a molten mixture;
- cooling the molten mixture to form an alloy comprising a composition according to Chemical Formula 1;
- and
- grinding the alloy to manufacture the thermoelectric material.
4 more elements
Dependencies are inferred from the claim text.