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公开(公告)号：KR1020170028053A
公开(公告)日：2017-03-13
申请号：KR1020150124843
申请日：2015-09-03
Applicant: 한국교통대학교산학협력단
Abstract: 본발명은 p형스커테루다이트열전물질에관한것으로, 상세하게, 본발명에따른 p형스커테루다이트열전물질은스커테루다이트상을가지며하기화학식 1을만족하고, 0.5 이상의 ZT를갖는다. (화학식 1) RFeMSbR은스커테루다이트상의충전원자로희토류원소이며, M은 VIII족전이금속이며,z는 0.5≤z
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公开(公告)号：KR101389755B1
公开(公告)日：2014-04-28
申请号：KR1020130025016
申请日：2013-03-08
Applicant: 한국교통대학교산학협력단
Abstract: The present invention relates to a method for manufacturing a lanthanum-filled Fe-Sb skutterudite thermoelectric material having excellent thermoelectric properties and, more specifically, to a method for manufacturing a lanthanum-filled Fe-Sb skutterudite thermoelectric material which comprises: a preparation step for preparing raw materials including La, Co, Fe, and Sb; a closed induction melting step for preparing a specimen by charging and dissolving the raw materials in an encapsulated ampoule; a heat treatment step for heat treating the specimen; a grinding step for grinding the heat-treated specimen into powder; and a sintering step for sintering the powder by hot extrusion.
Abstract translation: 本发明涉及一种具有优异的热电性能的镧填充的Fe-Sb方钴矿热电材料的制造方法，更具体地说，涉及一种用于制造填充了镧的Fe-Sb方钴矿热电材料的方法，该方法包括：制备步骤 制备包括La，Co，Fe和Sb的原料; 闭合感应熔融步骤，用于通过将原料装入并溶解在胶囊化的安瓿中来制备样品; 用于对样品进行热处理的热处理步骤; 用于将经热处理的样品研磨成粉末的研磨步骤; 以及通过热挤压烧结粉末的烧结步骤。
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公开(公告)号：KR1020130130461A
公开(公告)日：2013-12-02
申请号：KR1020120054298
申请日：2012-05-22
Applicant: 한국교통대학교산학협력단
Abstract: The present invention relates to a method for manufacturing thermoelectric material of Mg alloy solid solution and thermoelectric material manufactured thereby. According to the present invention, the method for manufacturing thermoelectric material of Mg alloy solid solution and thermoelectric material manufactured thereby includes a mixing step for mixing a raw powder; a synthesis step for synthesizing Mg2Si-Mg2Sn solid powder; and a sintering step.
Abstract translation: 本发明涉及一种用于制造镁合金固溶体的热电材料及其制造的热电材料的方法。 根据本发明，制造的Mg合金固溶体和热电材料的热电材料的制造方法包括混合原料粉末的混合步骤; 合成Mg2Si-Mg2Sn固体粉末的合成步骤; 和烧结步骤。
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公开(公告)号：KR100783734B1
公开(公告)日：2007-12-11
申请号：KR1020060058386
申请日：2006-06-28
Applicant: 한국교통대학교산학협력단
CPC classification number: C22C1/02 , C22C19/07 , C22C2202/00
Abstract: A method for manufacturing Skutterudite by encapsulated induction melting is provided to minimize deformation of composition caused by a volatilization of components by performing a synthetic process on an encapsulated induction melting furnace. A method for manufacturing Skutterudite by encapsulated induction melting includes the steps of preparing raw material such as short type Co and Sb for composing CoSb6, charging the raw material into an encapsulated induction melting furnace, manufacturing the CoSb6 by melting the raw material in a vacuum atmosphere, and performing a thermal treatment for the solved CoSb6 in the vacuum for inducing homogenization and phase change.
Abstract translation: 提供了通过包封感应熔化制造方钴矿的方法，以通过在包封的感应熔化炉上进行合成方法来最小化由组分挥发引起的组合物的变形。 通过包封感应熔化制造方钴矿的方法包括制备用于构成CoSb6的短型Co和Sb等原料的步骤，将原料装入包封的感应熔炼炉中，通过在真空气氛中熔化原料制造CoSb6 并且在真空中对溶解的CoSb6进行热处理以诱导均匀化和相变。
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公开(公告)号：KR100746647B1
公开(公告)日：2007-08-06
申请号：KR1020060103020
申请日：2006-10-23
Applicant: 한국교통대학교산학협력단
IPC: C04B35/653 , C04B14/34 , C04B14/36
Abstract: A method for producing thermoelectric skutterudites by doping a specific element to CoSb3 and closed induction melting is provided to improve thermoelectric properties. A method for producing thermoelectric skutterudites of CoSb3-yMy composition and includes loading Co, Sb and M as start materials in a quartz tube, followed by hermetical sealing in vacuum (M is Te or Sn); melting the mixture of the tube by high frequency induction power in a closed induction melting furnace; thermally treating the product in vacuum to induce homogenization and change of the phase. Upon loading of the star materials, Sb is loaded in the lower part and Co is loaded in the upper part to prevent segregation caused by specific gravity difference.
Abstract translation: 提供一种通过将特定元素掺杂到CoSb 3并闭合感应熔化来生产热电方钴矿以提高热电性能的方法。 一种制备CoSb3-yMy组合物的热电方钴矿的方法，包括将Co，Sb和M作为起始材料装入石英管中，随后在真空中真空密封（M为Te或Sn）; 在闭式感应熔化炉中通过高频感应功率将管的混合物熔化; 在真空中热处理产物以引起均质化和相变化。 在装载星形材料时，Sb装载在下部，并且Co装载在上部以防止由比重差引起的偏析。
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Patent Agency Ranking
公开(公告)号：KR100663236B1
公开(公告)日：2007-01-02
申请号：KR1019990034005
申请日：1999-08-17
Applicant: 한국교통대학교산학협력단
IPC: B22D18/04
Abstract: 기존의 재료보다 우수한 물성이나 기계적 성질을 가지는 용탕단조용 합금의 제조방법이 개시되어 있다. 본 발명에 따르면, Al-Fe계 합금 중 Fe조성을 1∼7wt％로 첨가한 합금으로 정하고, 상기 합금을 전기저항로에서 850∼900℃에서 용융처리 하였으며, 용탕중량의 0.2％범위에서 상업용 탈가스처리제로 탈가스처리를 행한 용탕으로 중력주조 및 용탕단조를 하고, 상기 용탕단조는 수직가압식 용탕단조 프레스를 이용하여 Φ5 × 10cm봉상형태의 시편을 제조하고, 이때 상기 용탕의 온도는 750℃로 주입온도를 유지하며, 금형은 200∼250℃로 예열하여 유성계 흑연 이형제로 금형내부와 펀치를 도포하고, 상기 용탕주입후 가압력은 50∼100MPa, 가압시간은 60sec, 가압속도는 20mm/sec로 설정한다.
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公开(公告)号：KR101791599B1
公开(公告)日：2017-10-30
申请号：KR1020100098341
申请日：2010-10-08
Applicant: 한국교통대학교산학협력단
CPC classification number: H01L35/26 , H01L35/16 , Y10T428/12181
Abstract: 본발명의일 측면에따라서, 복수의열전소재의그레인; 및상기열전소재의그레인경계의, 상기열전소재의용융점보다낮은유리전이온도및 결정화온도를갖는비정질금속으로부터결정화된나노금속층; 을포함하는벌크나노복합체형열전재료를개시한다. 열전소재그레인의경계에금속나노층을도입함으로써양자구속효과및 PGEC 개념을벌크소재에서구현하여높은열전성능을갖는열전재료분체및 벌크열전재료를형성할수 있다.
Abstract translation: 根据本发明的一个方面，多个热电材料颗粒; 并且纳米金属层由玻璃化转变温度和结晶温度低于热电材料晶界熔点的非晶态金属结晶; Lt纳米复合材料热电材料。 通过在热电材料颗粒的边界处引入金属纳米层，可以在体材料中实现量子限制效应和PGEC概念，从而可以形成热电材料粉末和具有高热电性能的体热电材料。
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公开(公告)号：KR101405364B1
公开(公告)日：2014-06-11
申请号：KR1020130025017
申请日：2013-03-08
Applicant: 한국교통대학교산학협력단
Abstract: The present invention relates to a method for manufacturing a manganese-silicon-based thermoelectric material having an outstanding performance with a low cost by hot forming aluminum-doped high-manganese-silicon-based powder, formed by a solid state reaction, in a vacuum state. The method of the present invention comprises the steps of: mixing Mn powder, Si powder, and Al powder; synthesizing aluminum-doped high-manganese-silicon-based powder via a solid state reaction of the mixed powder; and sintering the synthesized aluminum-doped high-manganese-silicon-based powder by hot forming.
Abstract translation: 本发明涉及一种通过在真空中通过固态反应形成的通过热成型铝掺杂的高锰硅粉末热成型而具有优异性能的低成本的锰 - 硅系热电材料的制造方法 州。 本发明的方法包括以下步骤：将Mn粉末，Si粉末和Al粉末混合; 通过混合粉末的固态反应合成掺铝高锰硅粉末; 并通过热成型烧结合成的掺铝高锰硅粉末。
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公开(公告)号：KR101343319B1
公开(公告)日：2013-12-20
申请号：KR1020120054298
申请日：2012-05-22
Applicant: 한국교통대학교산학협력단
Abstract: 본발명은마그네슘합금고용체열전재료를제조하는방법에관한것으로, MgSiSn(0
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公开(公告)号：KR100677894B1
公开(公告)日：2007-02-05
申请号：KR1020050078360
申请日：2005-08-25
Applicant: 한국교통대학교산학협력단
Abstract: A process of fabricating a cobalt triantimonide(CoSb3) based thermoelectric material with Nb doping is provided to produce the material with improved thermoelectric properties including electric conductivity, thermoelectric factor and seeback coefficient by doping niobium to CoSb3 thermoelectric material and heat treating the doped material through annealing process. The process includes the steps of: preparing Co, Sb and Nb as starting materials in state of elements; forming Co(1-x)NbxSb3 wherein x ranges from 0.01 to 0.02 by mixing all of the starting materials and induction melting the mixture under Ar atmosphere; and annealing the molten material at 400deg.C to accomplish phase homogeneity and phase alteration thereof. By the suitable heat treatment after doping Nb element on CoSb3 thermoelectric material, the CoSb3 based thermoelectric material is produced with remarkably improved seeback coefficient, electric conductivity and thermoelectric factor.
Abstract translation: 提供了一种制造具有Nb掺杂的三锑基钴（CoSb 3）基热电材料的工艺，以通过将铌掺杂到CoSb 3热电材料并通过退火对掺杂材料进行热处理来生产具有改进的热电性质的材料，包括导电性，热电因子和返回系数 处理。 该方法包括以下步骤：以元素状态制备Co，Sb和Nb作为原料; 通过混合所有起始材料并在Ar气氛下感应熔融混合物，形成Co（1-x）Nb x Sb 3，其中x为0.01-0.02; 并在400℃下对熔融材料进行退火以实现其相位均匀性和相变。 通过在CoSb3热电材料上掺杂Nb元素后进行适当的热处理，制备了CoSb3基热电材料，其回归系数，导电率和热电因子显着提高。
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