Title:
THERMOELECTRIC MATERIAL
Document Type and Number:
WIPO Patent Application WO/2010/140669
Kind Code:
A1
Abstract:
Disclosed is a thermoelectric material which contains a complex oxide containing Zn, Al, Ga and B. One embodiment of the thermoelectric material is characterized in that the molar ratio of B to the total mole of Zn, Al, Ga and B is within the range of 0.0001-0.01 (inclusive). Another embodiment of the thermoelectric material is characterized in that the relative density of the complex oxide is not less than 95%. Another embodiment of the thermoelectric material is characterized in that at least a part of the surface of the complex oxide is covered with a coating film. Also disclosed is a thermoelectric conversion module which comprises a plurality of n-type thermoelectric materials, a plurality of p-type thermoelectric materials, and a plurality of electrodes for electrically connecting the n-type thermoelectric materials and the p-type thermoelectric materials alternately in series. The thermoelectric conversion module is characterized in that one or more of the n-type thermoelectric materials are composed of the above-described thermoelectric material.
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Inventors:
HIROYAMA YUICHI (JP)
KISHIDA HIROSHI (JP)
KISHIDA HIROSHI (JP)
Application Number:
PCT/JP2010/059482
Publication Date:
December 09, 2010
Filing Date:
May 28, 2010
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
HIROYAMA YUICHI (JP)
KISHIDA HIROSHI (JP)
HIROYAMA YUICHI (JP)
KISHIDA HIROSHI (JP)
International Classes:
H01L35/22; C01G15/00; C04B35/00; H01L35/32; H01L35/34
Foreign References:
| JP2004134454A | 2004-04-30 | |||
| JP2005200249A | 2005-07-28 | |||
| JP2009228034A | 2009-10-08 |
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (JP)
Toru Nakayama (JP)
Toru Nakayama (JP)
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