RU2014120600A - COOLING DEVICE - Google Patents

COOLING DEVICE Download PDF

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Publication number
RU2014120600A
RU2014120600A RU2014120600/06A RU2014120600A RU2014120600A RU 2014120600 A RU2014120600 A RU 2014120600A RU 2014120600/06 A RU2014120600/06 A RU 2014120600/06A RU 2014120600 A RU2014120600 A RU 2014120600A RU 2014120600 A RU2014120600 A RU 2014120600A
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RU
Russia
Prior art keywords
branch
increase
alloy
antimony
mev
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RU2014120600/06A
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Russian (ru)
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RU2576414C2 (en
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Василий Иванович Бочегов
Александр Сергеевич Парахин
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Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Курганский государственный университет"
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Priority to RU2014120600/06A priority Critical patent/RU2576414C2/en
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  • Hard Magnetic Materials (AREA)

Abstract

Охлаждающее устройство, содержащее термоэлемент с n-ветвью из сплава Bi-Sb и пассивной p-ветвью из металла, размещенный в магнитном поле, отличающееся тем, что, с целью повышения термоэлектрической эффективности, n-ветвь выполнена с монотонно увеличивающейся по ее длине от горячего спая к холодному концентрацией сурьмы в сплаве, увеличение концентрации сурьмы может быть определимо по формуле:∇C=∇T·(E/T·δ),где ∇C - градиент концентрации сурьмы в сплаве, ат.%·см, E- среднее значение ширины зазора между валентной зоной и зоной проводимости n-ветви, мэВ, Т- температура горячего спая термоэлемента, К, ∇T - градиент температуры по n-ветви, К/см, δ - скорость нарастания ширины зазора между валентной зоной и зоной проводимости в сплаве с увеличением содержания сурьмы, мэВ/ат.%.A cooling device comprising a thermoelement with an n-branch made of a Bi-Sb alloy and a passive p-branch made of metal, placed in a magnetic field, characterized in that, in order to increase the thermoelectric efficiency, the n-branch is made with a monotonically increasing antimony concentration in the alloy along its length from the hot junction to the cold junction, the increase in the antimony concentration can be determined by the formula: ∇C = ∇T (E/T δ), where ∇C is the gradient of the antimony concentration in the alloy, at.% cm, E is the average value of the gap width between the valence band and the conduction band of the n-branch, meV, T is the temperature of the hot junction of the thermoelement, K, ∇T is the temperature gradient along the n-branch, K/cm, δ is the rate of increase in the gap width between the valence band and the conduction band in the alloy with an increase in the content antimony, meV/at%.

Claims (1)

Охлаждающее устройство, содержащее термоэлемент с n-ветвью из сплава Bi-Sb и пассивной p-ветвью из металла, размещенный в магнитном поле, отличающееся тем, что, с целью повышения термоэлектрической эффективности, n-ветвь выполнена с монотонно увеличивающейся по ее длине от горячего спая к холодному концентрацией сурьмы в сплаве, увеличение концентрации сурьмы может быть определимо по формуле:A cooling device containing a thermocouple with an n-branch of Bi-Sb alloy and a passive p-branch of metal, placed in a magnetic field, characterized in that, in order to increase thermoelectric figure of merit, the n-branch is made to increase monotonically along its length from hot subsiding to a cold concentration of antimony in the alloy, an increase in the concentration of antimony can be determined by the formula: ∇C=∇T·(Eg/Tг·δ),∇C = ∇T · (E g / T g · δ), где ∇C - градиент концентрации сурьмы в сплаве, ат.%·см-1, Eg - среднее значение ширины зазора между валентной зоной и зоной проводимости n-ветви, мэВ, Тг - температура горячего спая термоэлемента, К, ∇T - градиент температуры по n-ветви, К/см, δ - скорость нарастания ширины зазора между валентной зоной и зоной проводимости в сплаве с увеличением содержания сурьмы, мэВ/ат.%. where ∇C is the concentration gradient of antimony in the alloy, at.% · cm -1 , E g is the average value of the gap width between the valence band and the conduction band of the n-branch, meV, T g is the temperature of the hot junction of the thermocouple, K, ∇T - temperature gradient along the n-branch, K / cm, δ — rate of increase in the width of the gap between the valence band and the conduction band in the alloy with an increase in the antimony content, meV / at.%.
RU2014120600/06A 2014-05-21 2014-05-21 Cooling device RU2576414C2 (en)

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RU2014120600/06A RU2576414C2 (en) 2014-05-21 2014-05-21 Cooling device

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Application Number Priority Date Filing Date Title
RU2014120600/06A RU2576414C2 (en) 2014-05-21 2014-05-21 Cooling device

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RU2014120600A true RU2014120600A (en) 2015-11-27
RU2576414C2 RU2576414C2 (en) 2016-03-10

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT410492B (en) * 2000-05-02 2003-05-26 Span Gerhard Dipl Ing Dr THERMOELECTRIC ELEMENT WITH AT LEAST ONE N LAYER AND AT LEAST ONE P LAYER
US6539725B2 (en) * 2001-02-09 2003-04-01 Bsst Llc Efficiency thermoelectrics utilizing thermal isolation
KR102001062B1 (en) * 2012-01-16 2019-10-01 삼성전자주식회사 Thermoelectric nano-composite, and thermoelectric module and thermoelectric apparatus comprising same
RU131238U1 (en) * 2013-01-31 2013-08-10 Общество с ограниченной ответственностью "СмС тензотерм Рус" COOLING MULTI-LAYER STRUCTURE

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