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Thermoelectric conversion device

A thermoelectric conversion device and thermoelectric conversion technology, applied in thermoelectric device components, thermoelectric device node lead-out materials, thermoelectric devices that only use the Peltier or Seebeck effect, etc., can solve the problems of limited thermoelectric conversion efficiency and improve power generation Efficiency and the effect of increasing power generation

Inactive Publication Date: 2010-09-22
IND TECH RES INST
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  • Summary
  • Abstract
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Problems solved by technology

[0004] However, the biggest problem in the application of thermoelectric conversion power generation is the limited efficiency of thermoelectric conversion.

Method used

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Examples

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Embodiment Construction

[0041] figure 1 is a structural diagram of a thermoelectric conversion element of an embodiment of the present invention, and figure 2 for figure 1 Side view of the thermoelectric conversion element. Please refer to figure 1 and figure 2 , the thermoelectric conversion device 10 of this embodiment, the thermoelectric conversion device 10 includes a hot end substrate 12 , a cold end substrate 14 and a stack structure 100 . The stack structure 100 is disposed between the hot end substrate 12 and the cold end substrate 14, and the stack structure 100 includes a plurality of thermoelectric conversion layers 100a, 100b. Wherein, the thermoelectric conversion layer 100a includes a thermoelectric pair layer 110a, a first conductive material layer 120a and a second conductive material layer 130a, a first thermally conductive and non-conductive structure 140a, and a second thermally conductive and non-conductive structure 150a. The thermoelectric conversion layer 100b includes a...

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Abstract

The invention discloses a thermoelectric conversion device comprising a cold junction substrate, a hot junction substrate and a stacking structure, wherein the stacking structure is arranged between the cold junction substrate and the hot junction substrate and comprises a plurality of thermoelectric conversion layers, and each thermoelectric conversion layer comprises a thermoelectric relative layer, a first conducting material layer, a second conducting material layer, a first heat conduction non-conducting structure and a second heat conduction non-conducting structure; each thermoelectricconversion layer is respectively arranged in the stacking structure; the first conducting material layer comprises a plurality of first conducting materials, and the first conducting material is arranged above P-type and N-type thermoelectric conversion elements; the second conducting material layer comprises a plurality of second conducting materials, and the second conducting material is arranged below the P-type and N-type thermoelectric conversion elements; the first heat conduction non-conducting structure is respectively connected between two adjacent first conducting material layers, and the second heat conduction non-conducting structure is respectively connected between two adjacent second conducting material layers.

Description

technical field [0001] The present invention relates to a thermoelectric conversion device, and in particular to a thermoelectric conversion device with a stacked structure. Background technique [0002] Due to the problem of energy shortage, the development of renewable energy technology has become an important issue. Taking automobiles as an example, engine waste heat accounts for about one-third of vehicle power. If exhaust waste heat can be used to provide thermoelectric temperature difference power generation, fuel consumption can be reduced. In addition, factories and households emit a large amount of waste heat. How to recover and reuse the waste heat is also a very important issue. However, most of the waste heat currently has no proper recovery technology, resulting in energy waste. [0003] Thermoelectric conversion technology is one of the key technologies of industrial research and development in recent years. The working principle of thermoelectric conversion t...

Claims

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Application Information

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IPC IPC(8): H01L35/28H01L35/12H01L35/02
Inventor 冯树匀刘君恺谢明哲余致广
Owner IND TECH RES INST
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