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DE102008006900B3 - Thermoelectric alloy, useful in thermoelectric generators, comprises antimony and cobalt, and further comprises titanium, vanadium, cobalt, and antimony as well as unavoidable impurities - Google Patents

Thermoelectric alloy, useful in thermoelectric generators, comprises antimony and cobalt, and further comprises titanium, vanadium, cobalt, and antimony as well as unavoidable impurities Download PDF

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Publication number
DE102008006900B3
DE102008006900B3 DE102008006900A DE102008006900A DE102008006900B3 DE 102008006900 B3 DE102008006900 B3 DE 102008006900B3 DE 102008006900 A DE102008006900 A DE 102008006900A DE 102008006900 A DE102008006900 A DE 102008006900A DE 102008006900 B3 DE102008006900 B3 DE 102008006900B3
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Prior art keywords
thermoelectric
antimony
cobalt
vanadium
alloy
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Expired - Fee Related
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DE102008006900A
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German (de)
Inventor
Oleksandr Harkavenko
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C12/00—Alloys based on antimony or bismuth
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
    • H10N10/80—Constructional details
    • H10N10/85—Thermoelectric active materials
    • H10N10/851—Thermoelectric active materials comprising inorganic compositions
    • H10N10/853—Thermoelectric active materials comprising inorganic compositions comprising arsenic, antimony or bismuth

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Photovoltaic Devices (AREA)

Abstract

Die Erfindung gehört zu den thermoelektrischen Legierungen und kann Anwendung in thermoelektrischen Generatoren finden.
Die Aufgabe der vorliegenden Erfindung ist es, eine thermoelektrische Legierung mit einem hohen Anteil von Antimon zu schaffen, die aus relativ billigen Komponenten besteht und einen hohen thermoelektrischen Koeffizient hat. Diese Aufgabe wird mittels der von dem Erfinder geschaffenen thermoelektrischen Legierung gelöst, die folgende Komponente in folgendem Verhältnis (Massenprozente) enthält:
Titanium 18,85-20,30
Vanadium 0,65-2,20
Kobalt 25,60-26,00
Antimon Rest.
Der thermoelektrische Koeffizient dieser Legierungen beträgt bis -223,1µV/K bei 400K.The invention belongs to the thermoelectric alloys and can be used in thermoelectric generators.
The object of the present invention is to provide a thermoelectric alloy with a high proportion of antimony, which consists of relatively cheap components and has a high thermoelectric coefficient. This object is achieved by means of the thermoelectric alloy created by the inventor, which contains the following component in the following ratio (percentage by mass):
Titanium 18,85-20,30
Vanadium 0.65-2.20
Cobalt 25,60-26,00
Antimony rest.
The thermoelectric coefficient of these alloys is up to -223.1μV / K at 400K.

Description

Die Erfindung gehört zu den thermoelektrischen Legierungen und kann Anwendung in thermoelektrischen Generatoren finden.The Invention belongs to thermoelectric alloys and can be used in thermoelectric Find generators.

Es ist bereits eine thermoelektrische Legierung mit hohem Anteil von Antimon bekannt, welche Lutetium, Antimon und Nickel in folgendem Verhältnis (Massenprozente) enthält: Lutetium 48,71–49,71 Antimon 33,76–34,76 Nickel Rest. A high antimony thermoelectric alloy is already known which contains lutetium, antimony and nickel in the following ratio (% by mass): lutetium 48.71 to 49.71 antimony 33.76 to 34.76 nickel Rest.

Diese aus SU 1 689 416 A1 bekannte Legierung enthält das äußerst teuere Lutetium, wobei der thermoelektrische Koeffizient dieser Legierung nicht 134 μV/K bei 400 K überschreitet.This off SU 1 689 416 A1 known alloy contains the extremely expensive lutetium, wherein the thermoelectric coefficient of this alloy does not exceed 134 μV / K at 400 K.

Es ist bereits eine thermoelektrische Legierung mit hohem Anteil von Antimon bekannt, welche Antimon, Zirkonium, Kobalt und Zinn in folgendem Verhältnis (Massenprozente) enthält: Zirkonium 33,60–33,80 Kobalt 21,70–21,85 Zinn 3,90–029,05 Antimon Rest. A high antimony thermoelectric alloy is already known which contains antimony, zirconium, cobalt and tin in the following ratio (% by mass): zirconium 33.60 to 33.80 cobalt 21.70 to 21.85 tin 3,90-029,05 antimony Rest.

Diese aus UA 17 952 bekannte Legierung enthält in großen Mengen das teuere Zirkonium, wobei ihr thermoelektrischer Koeffizient 90 bis 124 μV/K bei 400 K beträgt.This off UA 17 952 known alloy contains the expensive zirconium in large quantities, their thermoelectric coefficient is 90 to 124 μV / K at 400 K.

Die Aufgabe der vorliegenden Erfindung ist es, eine thermoelektrische Legierung mit einem hohen Anteil von Antimon zu schaffen, die aus relativ billigen Komponenten besteht und einen hohen thermoelektrischen Koeffizient hat. Diese Aufgabe wird mittels der von dem Erfinder geschaffenen thermoelektrischen Legierung gelöst, die folgende Komponente in folgendem Verhältnis (Massenprozente) enthält: Titan 18,85–20,30 Vanadium 0,65–2,20 Kobalt 25,60–26,00 Antimon Rest. The object of the present invention is to provide a thermoelectric alloy with a high proportion of antimony, which consists of relatively cheap components and has a high thermoelectric coefficient. This object is achieved by means of the thermoelectric alloy created by the inventor, which contains the following component in the following ratio (percentage by mass): titanium 18.85 to 20.30 vanadium 0.65 to 2.20 cobalt 25.60 to 26.00 antimony Rest.

Der Erfinder hat einige Beispiele der vorgeschlagenen Legierung zubereitet und untersucht. Die Daten über die genauen Zusammensetzungen und den thermoelektrischen Koeffizienten dieser Legierungen sind in der folgenden Tabelle zusammengefasst. Nr. Legierungszusammensetzung in Massenprozente Thermoelektrischer Koeffizient μV/K (bei 400 K) Titanium Vanadium Kobalt Antimon Zirkonium Zinn 1. 20,85 0,10 25,80 53,25 –42,9 2. 20,75 0,20 25,80 53,25 –93,4 3. 20,50 0,45 25,80 53,25 –68,1 4. 20,30 0,65 25,80 53,25 –223,1 5. 20,10 0,90 25,75 53,20 –135,3 6. 19,50 1,60 25,70 53,20 –176,2 7. 18,85 2,20 25,75 53,20 –161,6 8. 16,73 4,44 25,71 53,12 –59,85 Prototype - 21,70–21,85 Rest 33,60–33,80 3,90–29,05 124 The inventor has prepared and studied some examples of the proposed alloy. The data on the exact compositions and the thermoelectric coefficients of these alloys are summarized in the following table. No. Alloy composition in mass percent Thermoelectric coefficient μV / K (at 400 K) Titanium vanadium cobalt antimony zirconium tin 1. 20.85 0.10 25,80 53.25 -42.9 Second 20.75 0.20 25,80 53.25 -93.4 Third 20.50 0.45 25,80 53.25 -68.1 4th 20.30 0.65 25,80 53.25 -223.1 5th 20.10 0.90 25.75 53,20 -135.3 6th 19.50 1.60 25,70 53,20 -176.2 7th 18.85 2.20 25.75 53,20 -161.6 8th. 16.73 4.44 25.71 53.12 -59.85 Prototype - 21.70 to 21.85 rest 33.60 to 33.80 3.90 to 29.05 124

Claims (1)

Thermoelektrische Legierung, die Antimon und Kobalt enthält, dadurch gekennzeichnet, dass sie zusätzlich Titan und Vanadium in folgendem Verhältnis (Massenprozente) enthält: Titan 18,85–20,30 Vanadium 0,65–2,20 Kobalt 25,60–26,00 Antimon Rest,
sowie unvermeidbare Verunreinigungen.Thermoelectric alloy containing antimony and cobalt, characterized in that it additionally contains titanium and vanadium in the following ratio (percentage by mass): titanium 18.85 to 20.30 vanadium 0.65 to 2.20 cobalt 25.60 to 26.00 antimony Rest,
as well as unavoidable impurities.
DE102008006900A 2008-01-31 2008-01-31 Thermoelectric alloy, useful in thermoelectric generators, comprises antimony and cobalt, and further comprises titanium, vanadium, cobalt, and antimony as well as unavoidable impurities Expired - Fee Related DE102008006900B3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE102008006900A DE102008006900B3 (en) 2008-01-31 2008-01-31 Thermoelectric alloy, useful in thermoelectric generators, comprises antimony and cobalt, and further comprises titanium, vanadium, cobalt, and antimony as well as unavoidable impurities

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008006900A DE102008006900B3 (en) 2008-01-31 2008-01-31 Thermoelectric alloy, useful in thermoelectric generators, comprises antimony and cobalt, and further comprises titanium, vanadium, cobalt, and antimony as well as unavoidable impurities

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DE102008006900B3 true DE102008006900B3 (en) 2009-12-24

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1689416A1 (en) * 1989-12-04 1991-11-07 Univ Lvovskij Thermoelectric alloy
US6444894B1 (en) * 1999-11-19 2002-09-03 Basf Aktiengesellschaft Thermoelectrically active materials and generators containing them
DE10223744A1 (en) * 2002-05-28 2003-12-11 Basf Ag Photovoltaic cell, used for producing electrical energy from sunlight, comprises a photovoltaically active p- or n-doped semiconductor material made from a ternary compound or mixed oxide
UA17952U (en) * 2006-04-27 2006-10-16 Univ Kharkiv State Medical Method for treating pulmonary bleeding

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1689416A1 (en) * 1989-12-04 1991-11-07 Univ Lvovskij Thermoelectric alloy
US6444894B1 (en) * 1999-11-19 2002-09-03 Basf Aktiengesellschaft Thermoelectrically active materials and generators containing them
DE10223744A1 (en) * 2002-05-28 2003-12-11 Basf Ag Photovoltaic cell, used for producing electrical energy from sunlight, comprises a photovoltaically active p- or n-doped semiconductor material made from a ternary compound or mixed oxide
UA17952U (en) * 2006-04-27 2006-10-16 Univ Kharkiv State Medical Method for treating pulmonary bleeding

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8322 Nonbinding interest in granting licences declared
8364 No opposition during term of opposition
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee

Effective date: 20110802