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US 11,706,986 B2Granted
Thermoelectric material
AssigneesMitsuba Corporation, National Institute for Materials Science
InventorsSatoki Tada, Yukihiro Isoda
Life of this patent
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Abstract
The present invention provides a thermoelectric material excellent in heat resistance with less degradation of thermoelectric characteristics even in a high temperature environment. The thermoelectric material comprises a compound represented by a chemical formula Mg2Si1-xSnx (0<x<1) wherein at least one of the Si site and the Sn site of the compound is replaced with at least one of Sb and Bi, and an added Fe.
Claims4
A thermoelectric material, which comprises:
- Fe in an amount of 20000 ppm by mole or more and 30000 ppm by mole or less, and
- a compound represented by a chemical formula Mg2Si1-xSnx (0.35<x<0.65) wherein at least one of the Si site and the Sn site of the compound is replaced with at least one of Sb and Bi.
Dependencies are inferred from the claim text.