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公开(公告)号：KR101458515B1
公开(公告)日：2014-11-07
申请号：KR1020080087859
申请日：2008-09-05
Applicant: 삼성전자주식회사 , 한국교통대학교산학협력단
CPC classification number: H01L35/16 , C01B19/007 , C01P2004/80 , C01P2006/40
Abstract: 전자의 이동을 방해하지 않지 않으면서, 포논을 산란시킬 수 있는 구조를 갖는 벌크상 열전재료를 개시한다. 본 발명의 일 실시예에 따르면, 상기 벌크형 열전재료는 벌크상의 결정성 열전재료 매트릭스; 및 상기 열전재료 매트릭스의 결정 계면 또는 결정구조 내부에 독립적으로 도입되어 있는 금속 산화물 입자를 포함한다.
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公开(公告)号：KR1020100028909A
公开(公告)日：2010-03-15
申请号：KR1020080087859
申请日：2008-09-05
Applicant: 삼성전자주식회사 , 한국교통대학교산학협력단
CPC classification number: H01L35/16 , C01B19/007 , C01P2004/80 , C01P2006/40
Abstract: PURPOSE: A bulk thermoelectric material and a thermoelectric device comprising the same are provided to improve performance of a thermal conduction material in a bulk by applying a metal oxide particle to a thermal conduction material matrix. CONSTITUTION: A thermal conduction material comprises a crystalline thermal conduction material matrix and a metal oxide particle. The crystalline thermal conduction material matrix is formed on a bulk. The metal oxide particle is independently introduced inside the crystal boundary or the crystalline structure of the thermal conduction material matrix. A covalent force between the oxygen atom and the metal atom is bigger than that of atoms within the crystalline structure of the thermal conduction material matrix.
Abstract translation: 目的：提供一种体热电材料和包含该热电材料的热电装置，以通过将金属氧化物颗粒施加到导热材料基体来改善本体中导热材料的性能。 构成：导热材料包括结晶导热材料基体和金属氧化物颗粒。 晶体导热材料基体是大量形成的。 金属氧化物颗粒独立地引入结晶边界或导热材料基体的晶体结构内。 氧原子和金属原子之间的共价力大于导热材料基体的晶体结构内的原子。
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公开(公告)号：KR101616841B1
公开(公告)日：2016-04-29
申请号：KR1020140059869
申请日：2014-05-19
Applicant: 한국교통대학교산학협력단
Abstract: 본발명은비스무트가도핑된고용체열전재료및 그제조방법에관한것으로서, 더욱상세하게는열전성능을향상시킬수 있는비스무트가도핑된고용체열전재료및 그제조방법에관한것이다. 본발명에따르면원료분말을혼합한뒤 고상반응을수행하는방법을적용함으로써자연적으로고용체형태의열전재료를제조할수 있어열전성능을획기적으로개선할수 있다. 또한최적의조건에서열간압축공정을적용함으로써원하는밀도의성형제를제조할수 있다. 아울러본 발명에따르면원료분말을혼합하여고체상태에서반응시키는공정만으로고용체상태의열전재료를제조할수 있기때문에낮은비용으로성능이향상된열전재료를제조할수 있다. 또한본 발명에따르면고용체열전재료에 Bi를도핑함으로써열전재료의전기전도도와제벡계수를최적화할수 있다.
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公开(公告)号：KR101574973B1
公开(公告)日：2015-12-08
申请号：KR1020140050762
申请日：2014-04-28
Applicant: 한국교통대학교산학협력단
Abstract: 본발명은안티몬이도핑된고용체열전재료및 그제조방법에관한것으로서, 더욱상세하게는열전성능을향상시킬수 있는안티몬이도핑된고용체열전재료및 그제조방법에관한것이다. 본발명에따르면원료분말을혼합한뒤 고상반응을수행하는방법을적용함으로써자연적으로고용체형태의열전재료를제조할수 있어열전성능을획기적으로개선할수 있다. 또한최적의조건에서열간압축공정을적용함으로써원하는밀도의성형제를제조할수 있다. 아울러본 발명에따르면원료분말을혼합하여고체상태에서반응시키는공정만으로고용체상태의열전재료를제조할수 있기때문에낮은비용으로성능이향상된열전재료를제조할수 있다. 또한본 발명에따르면고용체열전재료에 Sb를도핑함으로써열전재료의전기전도도와제벡계수를최적화할수 있다.
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公开(公告)号：KR101427194B1
公开(公告)日：2014-08-07
申请号：KR1020130097645
申请日：2013-08-19
Applicant: 한국교통대학교산학협력단
Abstract: The present invention relates to a Cr-doped Mn-Si thermoelectric material. The Mn-Si thermoelectric material with a composition of MnSi1.75-δ(0
Abstract translation: 本发明涉及掺杂Cr的Mn-Si热电材料。 具有MnSi1.75-δ（0 <=δ<= 0.03）组成的Mn-Si热电材料掺杂有Cr。 本发明还涉及一种用于制造掺杂Cr的Mn-Si热电材料的方法，该方法包括：用MnSi1.75-δ（0≤δ≤0.03）组成的Mn粉末和Si粉末混合的第一步骤 ）和作为掺杂剂的Cr粉末作为材料粉末; 关于混合原料粉末形成较高的硅化锰相的第二步骤; 以及用较高的硅化锰相烧结热电材料粉末的第三步骤。 本发明提供了通过使用Cr作为被Mn取代的掺杂剂而具有改进的热电性能的Mn-Si热电材料。 此外，所述制造掺杂了Cr的Mn-Si热电材料的方法通过控制MnSi相制造具有高热电性能的Cr添加的Mn-Si热电材料。
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Patent Agency Ranking
公开(公告)号：KR101375559B1
公开(公告)日：2014-03-21
申请号：KR1020120082260
申请日：2012-07-27
Applicant: 한국교통대학교산학협력단
Abstract: 본발명은유성형볼밀법으로형성된고망간실리사이드분말을진공상태에서열간압축성형하여, 저비용으로성능이뛰어난고망간실리사이드계열전재료를제조하는방법에관한것으로서, MnSi(0≤x≤0.03)의조성에맞추어망간분말과실리콘분말을혼합하는제1단계; 유성형볼밀법으로고망간실리사이드분말을제조하는제2단계; 및상기고망간실리사이드분말을진공상태에서열간압축성형하여소결하는제3단계를포함한다. 본발명은유성형볼밀법으로형성된고망간실리사이드분말을진공상태에서열간압축성형하여고망간실리사이드계열전재료를제조함으로써, 고망간실리사이드계열전재료를제조하는비용을줄일수 있는효과가있다. 본발명의제조방법은종래의기술에비하여저렴한반면에공정조건의최적화가필요하며, 본발명은이러한최적의공정조건을제공하는효과가있다.
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公开(公告)号：KR1020130031630A
公开(公告)日：2013-03-29
申请号：KR1020110095331
申请日：2011-09-21
Applicant: 한국교통대학교산학협력단
IPC: C22C1/04
CPC classification number: C22C1/0491 , C22C30/00 , C22C2202/00
Abstract: PURPOSE: A half-heusler TiCoSb alloy and a manufacturing method thereof are provided to have improved thermoelectric properties by reducing lattice thermal conductivity, and to manufacture a dense alloy almost without microcracks with a simple process. CONSTITUTION: A manufacturing method for a half-heusler TiCoSb alloy includes the following steps: Ti powder, Co powder, and Sb powder are mixed to manufacture mixed powder. The mixed powder is alloyed mechanically in an inactive atmosphere. The vacuum-hot press process is implemented. The mechanical alloying is at least one of a group consisting of a planetary ball milling, a shaker ball milling, an attrition milling, and a gyro ball milling.
Abstract translation: 目的：提供一种半真空TiCoSb合金及其制造方法，通过降低晶格导热性而具有改善的热电性能，并且通过简单的工艺制造几乎没有微裂纹的致密合金。 构成：半合金TiCoSb合金的制造方法包括以下步骤：将Ti粉末，Co粉末和Sb粉末混合以制造混合粉末。 混合粉末在惰性气氛中机械合金化。 实施真空热压工艺。 机械合金化是由行星式球磨，振动筛球磨，磨磨和陀螺球研磨组成的组中的至少一种。
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公开(公告)号：KR1020120036587A
公开(公告)日：2012-04-18
申请号：KR1020100098341
申请日：2010-10-08
Applicant: 한국교통대학교산학협력단
CPC classification number: H01L35/26 , H01L35/16 , Y10T428/12181 , H01L35/14 , B82B3/00 , H01L35/18 , H01L35/34
Abstract: PURPOSE: A bulk nano-composite type thermal conduction material and pulverized body, and a manufacturing method thereof are provided to embody quantum confinement effect and phonon glass electron crystal concepts in bulk materials. CONSTITUTION: A bulk nano-composite type thermal conduction material(10) is composed of a grain(13) of thermoelectric materials and a nano metal layer(25) of the grain boundary. The diameter of the grain is 1 to 100micrometes. The nano metal layer is crystallized from amorphous metal having glass transition temperature and crystallization temperature which is lower than a melting point of the thermoelectric materials. The thickness of the nano metal layer is 1 to 50nanometers.
Abstract translation: 目的：本体纳米复合型导热材料和粉碎体及其制造方法，以散装材料体现量子限制效应和声子玻璃电子晶体概念。 构成：散装纳米复合型导热材料（10）由热电材料的晶粒（13）和晶界的纳米金属层（25）组成。 颗粒的直径为1至100微米。 纳米金属层从具有低于热电材料的熔点的玻璃化转变温度和结晶温度的非晶态金属结晶。 纳米金属层的厚度为1至50纳米。
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公开(公告)号：KR1020120035793A
公开(公告)日：2012-04-16
申请号：KR1020100097526
申请日：2010-10-06
Applicant: 한국교통대학교산학협력단
IPC: H01L35/14
Abstract: PURPOSE: A manufacturing method of magnesium silicide type thermoelectric materials is provided to improve performance of the thermoelectric materials by doping impurities on Mg2Si. CONSTITUTION: Mg and Si powders of an element state are prepared. The powders are mixed. The mixed powder is reacted in a solid state reaction. A mechanical alloying process is performed by mixing the reacted powder and dopant powder. The mechanically alloyed powder is heat-compressed.
Abstract translation: 目的：提供硅化镁型热电材料的制造方法，以通过在Mg2Si上掺杂杂质来改善热电材料的性能。 构成：制备元素状态的Mg和Si粉末。 粉末混合。 混合粉末在固态反应中反应。 通过混合反应的粉末和掺杂剂粉末来进行机械合金化工艺。 机械合金粉末被热压。
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公开(公告)号：KR1020110092762A
公开(公告)日：2011-08-18
申请号：KR1020100012377
申请日：2010-02-10
Applicant: 한국교통대학교산학협력단
Abstract: PURPOSE: An Mg2Si thermoelectric material manufacturing method and a Mg2Si thermoelectric material manufactured by the same are provided to reduce the costs for manufacturing a Mg2Si thermoelectric material by employing a mechanical alloying process. CONSTITUTION: An Mg2Si thermoelectric material manufacturing method comprises steps of: preparing Mg and Si powder of element state, mixing the powder, mechanically alloying the mixed powder, and hot-forming the alloyed powder.
Abstract translation: 目的：提供一种Mg2Si热电材料制造方法和由其制造的Mg2Si热电材料，以通过采用机械合金化工艺来降低制造Mg 2 Si热电材料的成本。 构成：Mg2Si热电材料制造方法包括以下步骤：制备元素状态的Mg和Si粉末，混合粉末，将混合粉末机械合金化，并热合成合金粉末。
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