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Thermoelectromagnetic refrigeration device and preparation method thereof

An electromagnetic and device technology, which is applied in the field of thermoelectric refrigeration devices and their preparation, can solve the problems that traditional thermoelectric device processing methods and integration technologies are no longer applicable, so as to ensure the molding effect and thermomagnetic performance, optimize the sintering process, and ensure the heat dissipation speed Effect

Pending Publication Date: 2022-03-25
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the grains used in conventional thermoelectric devices are cuboids, which are quite different from the grain size and shape of the new thermo-electromagnetic all-solid-state refrigeration devices, so the processing methods and integration technologies of traditional thermoelectric devices are no longer applicable.

Method used

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  • Thermoelectromagnetic refrigeration device and preparation method thereof
  • Thermoelectromagnetic refrigeration device and preparation method thereof
  • Thermoelectromagnetic refrigeration device and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] A thermo-electromagnetic energy conversion all-solid-state refrigeration device, the preparation method of which comprises the following steps:

[0052] 1) Preparation of thermomagnetic materials:

[0053] Using Bi powder, Te powder and Sb powder as raw materials respectively, p-type bismuth telluride (Bi 0.5 Te 3 Sb 1.5 ) and n-type bismuth telluride (Bi 2 Te 0.3 Se 2.7 ) raw materials;

[0054] Mix the weighed raw material powder evenly, vacuum seal the tube and place it in a swing furnace for heat preservation at 650°C for 2 hours to obtain n-type bismuth telluride solid solution alloy and p-type bismuth telluride solid solution alloy;

[0055] The obtained type bismuth telluride solid solution alloy and p-type bismuth telluride solid solution alloy were respectively placed in a pulling furnace for purification, wherein the set temperature was 630°C, and the pulling speed was 15mm / h, to obtain n-type and p-type tellurium respectively Bismuth based crystal rod;...

Embodiment 2

[0068] A thermo-electromagnetic energy conversion all-solid-state refrigeration device, the preparation method of which comprises the following steps:

[0069] 1) Preparation of thermomagnetic materials:

[0070] Using Bi powder, Te powder and Sb powder as raw materials respectively, p-type bismuth telluride (Bi 0.5 Te 3 Sb 1.5 ) and n-type bismuth telluride (Bi 2 Te 0.3 Se 2.7 ) raw materials;

[0071] Mix the weighed raw material powder evenly, vacuum seal the tube and place it in a swing furnace for heat preservation at 650°C for 2 hours to obtain n-type bismuth telluride solid solution alloy and p-type bismuth telluride solid solution alloy;

[0072] The obtained n-type bismuth telluride solid solution alloy and p-type bismuth telluride solid solution alloy were respectively placed in a pulling furnace for purification, wherein the set temperature was 630°C, and the pulling speed was 15mm / h, respectively to obtain n-type and p-type Bismuth telluride-based crystal ro...

Embodiment 3

[0084] A thermo-electromagnetic energy conversion all-solid-state refrigeration device, the preparation method of which comprises the following steps:

[0085] 1) Preparation of thermomagnetic materials:

[0086] Using Bi powder, Te powder and Sb powder as raw materials respectively, p-type bismuth telluride (Bi 0.5 Te 3 Sb 1.5 ) and n-type bismuth telluride (Bi 2 Te 0.3 Se 2.7 ) raw materials;

[0087] Mix the weighed raw material powder evenly, vacuum seal the tube and place it in a swing furnace for heat preservation at 650°C for 2 hours to obtain n-type bismuth telluride solid solution alloy and p-type bismuth telluride solid solution alloy;

[0088] The obtained n-type bismuth telluride solid solution alloy and p-type bismuth telluride solid solution alloy were respectively placed in a pulling furnace for purification, wherein the set temperature was 630°C, and the pulling speed was 15mm / h, respectively to obtain n-type and p-type Bismuth telluride-based crystal ro...

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Abstract

The invention discloses a thermal electromagnetic refrigeration component and a preparation method thereof, the preparation method comprises the steps of preparation of a thermal electromagnetic block material, seed processing and cutting, seed surface treatment and device assembly integration, and the thermal electromagnetic refrigeration component comprises an electrode block, and an n-type thermal electromagnetic refrigeration arm and a p-type thermal electromagnetic refrigeration arm which are symmetrically connected to one side of the electrode block. According to the shape characteristics of the thermal electromagnetic all-solid-state refrigeration component, the n-shaped thermal electromagnetic component and the integrated manufacturing method thereof are developed, the method can efficiently achieve processing and manufacturing of the thermal electromagnetic all-solid-state refrigeration component, and the method has the advantages of being high in yield, easy to operate, capable of achieving batch manufacturing and the like; by designing and optimizing the composition and the structure of the thermal electromagnetic block material, the magnetothermal effect heat dissipation speed of the heat dissipation end of the obtained device can be effectively ensured, and the thermal resistance of the magnetothermal effect is effectively reduced; and technical support can be provided for high-performance thermal electromagnetic refrigeration components and preparation thereof.

Description

technical field [0001] The invention belongs to the technical field of functional devices and their manufacture, and in particular relates to a thermoelectric refrigeration device and a preparation method thereof. Background technique [0002] Thermo-electromagnetic all-solid-state refrigeration device is an electronic device capable of thermo-electromagnetic energy conversion. It has the advantages of no moving parts, easy maintenance, and small size. It is widely used in the fields of thermo-electromagnetic energy conversion refrigeration, heating, and two-way temperature control. [0003] The thermo-electromagnetic all-solid-state refrigeration device is a new structural energy conversion device that can realize thermoelectric refrigeration and magnetic refrigeration, and has higher refrigeration efficiency. The structure of the thermo-electromagnetic all-solid-state refrigeration device is complicated, and it is composed of multiple thermo-electromagnetic refrigeration e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L35/34H01L35/16H01L35/10H10N10/01H10N10/82H10N10/852
CPCH10N10/82H10N10/852H10N10/01
Inventor 赵文俞朱武李龙舟张健强魏平贺丹琪朱婉婷聂晓蕾桑夏晗张清杰
Owner WUHAN UNIV OF TECH
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