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US 2021/0265548 A1Published application
Pseudo-ternary thermoelectric material, method of manufacturing the same, thermoelectric element, and thermoelectric module
AssigneeTESBI, Inc.
InventorsSung Hoon Park, Seo Young Kim
Life of this patent
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Abstract
Disclosed are a pseudo-ternary thermoelectric material, a method of manufacturing the pseudo-ternary thermoelectric material, a thermoelectric element, and a thermoelectric module. The pseudo-ternary thermoelectric material includes bismuth (Bi), antimony (Sb), tellurium (Te), and selenium (Se), and a composition ratio thereof is BixSb2-xTe3 in which 0.3≤x≤0.6 or (Bi2Te3)1-x-y(Sb2Te3)x(Sb2Se3)y in which 0<x<1 and 0.001≤y≤0.05.
Claims16
A pseudo-ternary thermoelectric material comprising:
- bismuth (Bi);
- antimony (Sb);
- tellurium (Te);
- and
- selenium (Se),
- wherein a composition ratio of the pseudo-ternary thermoelectric material is BixSb2-xTe3 in which 0.3≤x≤0.6, or (Bi2Te3)1-x-y(Sb2Te3)x(Sb2Se3)y in which 0<x<1 and 0.001≤y≤0.05.
3 more elements
A method of manufacturing a pseudo-ternary thermoelectric material, comprising:
- melting bismuth (Bi), antimony (Sb), tellurium (Te), and selenium (Se);
- preparing an ingot by quenching a molten raw material obtained by the melting;
- preparing raw powder by pulverizing the ingot;
- and
- preparing a thermoelectric material specimen by performing spark plasma sintering (SPS) on the raw powder.
2 more elements
Dependencies are inferred from the claim text.