Process for preparing p-type thermoelectric material

Details Process for preparing p-type thermoelectric material Process for preparing p-type thermoelectric material

2005-01-11

2005-01-11

Morgan, Eileen P. (Department: 3723)

Abrading

Abrading process

Ring, tube, bushing, sleeve, or cylinder abrading

C451S053000, C451S054000

Reexamination Certificate

active

06840844

ABSTRACT:
A p-type thermoelectric material is prepared by mixing and melting at least two members selected from bismuth, tellurium, selenium, antimony, and sulfur to obtain an alloy ingot; grinding the alloy ingot to obtain powder of the allow mass; and hot pressing the powder. At least the hot pressing is carried out in the presence of any one of hexane and solvents represented by CnH2n+1OH or CnH2n+2CO (where n is 1, 2 or 3). A dopant may be used at the step of mixing.

REFERENCES:
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patent: 5246504 (1993-09-01), Ohta et al.
patent: 5318743 (1994-06-01), Tokiai et al.
patent: 6403875 (2002-06-01), Karino et al.
patent: 11-284237 (1999-10-01), None
patent: 2001-196648 (2001-07-01), None
patent: 2001-313426 (2001-11-01), None
patent: 2001-313427 (2001-11-01), None

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