METHOD FOR MANUFACTURING THERMOELECTRIC MATERIAL AND MANUFACTURING THERMOELECTRIC MODULE

Title:

METHOD FOR MANUFACTURING THERMOELECTRIC MATERIAL AND MANUFACTURING THERMOELECTRIC MODULE

Document Type and Number:

Japanese Patent JP3543650

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To enable manufacturing of a thermoelectric material having a very high performance index [(Seebeck coefficient)2/(electric resistivity × thermal conductivity)].
SOLUTION: According to this manufacturing method, a thermoelectric material of a compsn. contg. at least one kind of element selected among Bi and Sb and first one kind of element selected among Te and Se is manufactured such that a material 1 having an absolute value &verbar α&verbar of thermoelectromotive force, 230≤&verbar α&verbar ≤320 μV/K and electric resistivity ρ, 1.2×10-5≤ρ≤3×10-5 Ωm is selected as a blank to be extruded and deformed by the extrusion, etc., to manufacture a thermoelectric material having a very high performance index.

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Inventors:

Katsuhiko Onoe
Hiroyuki Yamashita
Yuma Horio
Shunji Hoshi

Application Number:

JP34084998A

Publication Date:

July 14, 2004

Filing Date:

November 30, 1998

Export Citation:

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Assignee:

Yamaha Corporation

International Classes:

C22F1/00; C22C12/00; C22F1/16; H01L35/16; H01L35/34; (IPC1-7): H01L35/16; C22C12/00; C22F1/16; H01L35/34

Attorney, Agent or Firm:

Masanori Fujimaki

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