The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 30, 2009
Filed:
Aug. 18, 2005
Ryoji Funahashi, Ikeda, JP;
Emmanuel Guilmeau, Ikeda, JP;
Ryoji Funahashi, Ikeda, JP;
Emmanuel Guilmeau, Ikeda, JP;
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 BiPbMCOMOwherein Mis 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; Mis 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, HgF, HgCl, HgBr, HgI, TlF, TlCl, TlBr, TlI, BiF, BiCl, BiBr, BiI, PbF, PbCl, PbBr, and PbI. The interlayer component being present between layers of the layer-structured oxide.