Thermoelectric Properties of NixCo4-xSb12 Fabricated by Ultra High Pressure Method

Author

Xu, Gui-Ying ; Ma, Guochao ; Wu, Xiaofeng ; Niu, Si-Tong

Author_Institution

Lab. of Special Ceramics & Powder Metall., Univ. of Sci. & Technol. Beijing

fYear

2006

fDate

6-10 Aug. 2006

Firstpage

649

Lastpage

651

Abstract

Ni_xCo_4-xSb₁₂ (x = 0.02~0.1) was fabricated by ultra high-pressure method. Composition, thermoelectric properties and the microstructure were investigated. The results indicate that Ni_xCo_4-xSb₁₂ (x = 0.02~0.1) fabricated by ultra high pressure sintering has good thermoelectric properties. Low temperature heat treatment leads to a decrease of the electric conductivity and Seebeck coefficient. High temperature heat treatment leads to an increase of both the electric conductivity and Seebeck coefficient of the samples

Keywords

Seebeck effect; antimony compounds; cobalt compounds; crystal microstructure; electrical conductivity; high-pressure effects; nickel compounds; sintering; Ni_xCo_4-xSb₁₂; Seebeck coefficient; crystal microstructure; electric conductivity; low temperature heat treatment; thermoelectric property; ultra high pressure method; ultra high pressure sintering; Annealing; Conducting materials; Conductivity; Heat treatment; Microstructure; Reactive power; Resistance heating; Temperature; Thermoelectricity; X-ray scattering; NixCo4-xSb12; Thermoelectric Materials; Ultra High Pressure Sintering;

fLanguage

English

Publisher

ieee

Conference_Titel

Thermoelectrics, 2006. ICT '06. 25th International Conference on

Conference_Location

Vienna

ISSN

1094-2734

Print_ISBN

1-4244-0811-3

Electronic_ISBN

1094-2734

Type

conf

DOI

10.1109/ICT.2006.331225

Filename

4133377