Thermoelectric material development. Final report

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Description

A search was made for improved TE materials that could have higher efficiency than state-of-the-art SiGe alloys used in Radioisotope Thermoelectric Generators. A new family of materials having the skutterudite structure was identified (cubic space group Im3, formula (Fe, Co, Ni)As{sub 3}). Properties of n-type IrSb{sub 3}, CoSb{sub 3}, and their solid solutions were investigated. Pt, Te, Tl, and In were used as dopants. The thermal conductivity was reduced by about 70% for the solid solutions vs the binary compounds. A maximum ZT of about 0.36 was measured on Co-rich solid solutions which is 160% improved over that of the ... continued below

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41 p.

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Vandersande, J.W.; Allevato, C. & Caillat, T. October 1, 1994.

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Description

A search was made for improved TE materials that could have higher efficiency than state-of-the-art SiGe alloys used in Radioisotope Thermoelectric Generators. A new family of materials having the skutterudite structure was identified (cubic space group Im3, formula (Fe, Co, Ni)As{sub 3}). Properties of n-type IrSb{sub 3}, CoSb{sub 3}, and their solid solutions were investigated. Pt, Te, Tl, and In were used as dopants. The thermal conductivity was reduced by about 70% for the solid solutions vs the binary compounds. A maximum ZT of about 0.36 was measured on Co-rich solid solutions which is 160% improved over that of the binary compounds.

Physical Description

41 p.

Notes

INIS; OSTI as DE95007890

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  • Other Information: PBD: Oct 1994

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  • Other: DE95007890
  • Report No.: DOE/SF/17905--T8
  • Grant Number: AI03-89SF17905
  • DOI: 10.2172/56567 | External Link
  • Office of Scientific & Technical Information Report Number: 56567
  • Archival Resource Key: ark:/67531/metadc692654

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  • October 1, 1994

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  • Aug. 14, 2015, 8:43 a.m.

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  • Dec. 4, 2015, 1:30 p.m.

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Vandersande, J.W.; Allevato, C. & Caillat, T. Thermoelectric material development. Final report, report, October 1, 1994; United States. (digital.library.unt.edu/ark:/67531/metadc692654/: accessed September 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.