Title:
THERMOELECTRIC CONVERSION MATERIAL, THERMOELECTRIC CONVERSION ELEMENT AND THERMOELECTRIC CONVERSION MODULE
Document Type and Number:
WIPO Patent Application WO/2020/137205
Kind Code:
A1
Abstract:
A thermoelectric conversion material which is composed of a sintered body that is mainly composed of magnesium silicide, and which is characterized by having a magnesium silicide phase (12) and a magnesium oxide layer (13) that is formed in the surface of the magnesium silicide phase (12), while being also characterized in that: an aluminum enriched layer (14) that has a higher Al concentration than the inner part of the magnesium silicide phase (12) is formed between the magnesium oxide layer (13) and the magnesium silicide phase (12); and the aluminum enriched layer (14) has an aluminum metal phase (15) that is composed of aluminum or an aluminum alloy.
Inventors:
NAKADA YOSHINOBU (JP)
Application Number:
PCT/JP2019/044313
Publication Date:
July 02, 2020
Filing Date:
November 12, 2019
Export Citation:
Assignee:
MITSUBISHI MATERIALS CORP (JP)
International Classes:
H01L35/14; C01B33/06; C04B35/58
Domestic Patent References:
| WO2017146095A1 | 2017-08-31 |
Foreign References:
| JP2011249742A | 2011-12-08 | |||
| JP2018186136A | 2018-11-22 | |||
| JP2016207825A | 2016-12-08 | |||
| JP2002368291A | 2002-12-20 | |||
| JP2016178319A | 2016-10-06 | |||
| JP2011049538A | 2011-03-10 | |||
| JP2016219666A | 2016-12-22 | |||
| JP2009094497A | 2009-04-30 | |||
| JP2019012828A | 2019-01-24 | |||
| JP2019012717A | 2019-01-24 | |||
| JP2018242588A | 2018-12-26 | |||
| JP2013179322A | 2013-09-09 | |||
| JP2017050325A | 2017-03-09 |
Other References:
See also references of EP 3905350A4
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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