Complex oxide having p-type thermoelectric characteristics

Details Complex oxide having p-type thermoelectric characteristics Complex oxide having p-type thermoelectric characteristics

2005-08-18

2009-06-30

Neckel, Alexa D (Department: 1795)

Batteries: thermoelectric and photoelectric

Thermoelectric

Having particular thermoelectric composition

C136S238000, C136S239000, C136S240000, C136S241000, C136S205000, C252S519150, C252S519300, C324S451000, C505S100000

Reexamination Certificate

active

07554029

ABSTRACT:
The present invention provides a novel complex oxide capable of achieving high performance as a p-type thermoelectric material. The complex oxide comprises a layer-structured oxide represented by the formula BiaPbbM1cCOdM2eOfwherein M1is one or more elements selected from the group consisting of Na, K, Li, Ti, V, Cr, Mn, Fe, Ni, Cu, Zn, Pb, Ca, Sr, Ba, Al, Y, and lanthanoids; M2is one or more elements selected from the group consisting of Ti, V, Cr, Mn, Fe, Ni, Cu, Mo, W, Nb, Ta, and Ag; 1.8≦a≦2.5; 0≦b≦0.5; 1.8≦c≦2.5; 1.6≦d≦2.5; 0≦e≦0.5; and 8≦f≦10; and at least one interlayer component selected from the group consisting of F, Cl, Br, I, HgF2, HgCl2, HgBr2, HgI2, TlF3, TlCl3, TlBr3, TlI3, BiF3, BiCl3, BiBr3, BiI3, PbF2, PbCl2, PbBr2, and PbI2. The interlayer component being present between layers of the layer-structured oxide.

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Funahashi et al.: “Thermoelectric properties of Bi2Sr2Co2Ox polycrystalline materials” Applied Physics Letters, AIP, American Institute of Physics, Melville, NY, US, vol. 76, No. 17, Apr. 24, 2000, pp. 2385-2387, XP012025125 ISSN: 0003-6951.

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