Structure of peltier element or seebeck element and its manufacturing method

Abstract

A Peltier or Seebeck element has first and second conductive members having different Seebeck coefficients. To decrease the heat conduction from one to the other end of each of the conductive members, the cross-section area at the intermediate part in the length direction is smaller than those at both end parts, and consequently, the heat conductivity of the intermediate part is lower than those at both ends parts. In place of the decrease of the cross-section, the shape of the cross-section of the intermediate part of each of the conductive members may be changed by dividing the intermediate part into pieces, or amorphous silicon or the like having a heat conductivity lower than those of the materials of both end parts may be used for the material of the intermediate part. In such a way, a high-performance Peltier / Seebeck element such that the difference between the temperature of the heated portion of the Peltier / Seebeck element and the opposite portion can be kept to a predetermined temperature difference for a long time and its manufacturing method are provided.

Description

technical field [0001] The present invention relates to an element structure and a manufacturing method for enhancing the performance of a Peltier element or a Seebeck element, which are used to control various electronic equipment, combustion devices and related equipment, sunlight, etc. A thermoelectric conversion system or a thermoelectric conversion device that converts thermal energy in any part, space, or area of ​​a building or object whose temperature rises due to the influence of external heat such as geothermal heat or the like. Background technique [0002] The energy in nature is used irreversibly, and finally turns into heat energy, which is released into nature. Usually, the heat energy released into nature cannot be used by human beings, and instead affects nature. Therefore, in order to discharge or remove this thermal energy, the forced air cooling and forced water cooling are performed using energy and electric energy using an additionally added heat engin...

AI Technical Summary

Problems solved by technology

The problem is that as the energy used to exhaust or remove heat energy increases, the utilization efficiency of heat energy decreases

[0013] In addition, in the case of a heat conversion element that utilizes a temperature difference to convert thermal energy into electrical energy through the Seebeck effect, there is also a problem that the temperature on the low temperature side rises due to heat conduction from the high temperature side to the low temperature side of the Seebeck element, Seebeck electromotive force is reduced, thereby reducing the conversion efficiency of heat energy to electricity

The disadvantage is that in order to prevent the above phenomenon, it is necessary to install a forced air cooling system or a forced water cooling system using energy or electric energy on the low temperature side to dissipate heat.

[0014] In this way, in the case of installing a thermoelectric conversion element or a heat transfer element of a Seebeck element or a Peltier element of an existing shape, due to the flow of heat energy flowing from the high temperature side to the low temperature side of each element by heat conduction, the entire device The conversion efficiency from heat energy to electric energy, that is, the use efficiency of heat energy is suppressed low, so improving the use efficiency of heat energy has become a major technical problem

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