Title: High ZT bismuth-doped perovskite thermoelectrics

Abstract

A bismuth-doped perovskite thermoelectric, comprising (Bi.sub.x, La.sub.0.1-x)SrTiO.sub.3, wherein x is between 0.01 and 0.1, can have a high figure-of-merit, ZT.

Inventors:

Brown-Shaklee, Harlan James

Issue Date:

2016-02-23

Research Org.:

Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Sponsoring Org.:

USDOE

OSTI Identifier:

1239652

Patent Number(s):

9269880

Application Number:

14/179,731

Assignee:

Sandia Corporation (Albuquerque, NM)

Patent Classifications (CPCs):

C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01G - COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F

C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01P - INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS

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C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01G - COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F

C01G23/003 - {Titanates

C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01P - INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS

C01P2002/34 - perovskite-type
C01P2002/50 - Solid solutions
C01P2002/52 - containing elements as dopants
C01P2002/72 - by d-values or two theta-values, e.g. as X-ray diagram
C01P2002/77 - by unit-cell parameters, atom positions or structure diagrams
C01P2002/88 - by thermal analysis data, e.g. TGA, DTA, DSC
C01P2004/03 - obtained by SEM
C01P2006/40 - Electric properties

C - CHEMISTRY C04 - CEMENTS C04B - LIME, MAGNESIA

C04B2235/3227 - Lanthanum oxide or oxide-forming salts thereof
C04B2235/3239 - Vanadium oxides, vanadates or oxide forming salts thereof, e.g. magnesium vanadate
C04B2235/3241 - Chromium oxides, chromates, or oxide-forming salts thereof
C04B2235/3251 - Niobium oxides, niobates, tantalum oxides, tantalates, or oxide-forming salts thereof
C04B2235/3258 - Tungsten oxides, tungstates, or oxide-forming salts thereof
C04B2235/3262 - Manganese oxides, manganates, rhenium oxides or oxide-forming salts thereof, e.g. MnO
C04B2235/3298 - Bismuth oxides, bismuthates or oxide forming salts thereof, e.g. zinc bismuthate
C04B2235/652 - Reduction treatment
C04B2235/656 - characterised by specific heating conditions during heat treatment
C04B2235/658 - Atmosphere during thermal treatment
C04B2235/6582 - Hydrogen containing atmosphere
C04B2235/768 - Perovskite structure ABO3
C04B35/47 - based on strontium titanates
C04B35/62675 - {characterised by the treatment temperature}
C04B35/6268 - {characterised by the applied pressure or type of atmosphere, e.g. in vacuum, hydrogen or a specific oxygen pressure}

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DOE Contract Number:  

AC04-94AL85000

Resource Type:

Patent

Resource Relation:

Patent File Date: 2014 Feb 13

Country of Publication:

United States

Language:

English

Subject:

36 MATERIALS SCIENCE; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS