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公开(公告)号:KR1020130092072A
公开(公告)日:2013-08-20
申请号:KR1020120013559
申请日:2012-02-10
Applicant: 한국전기연구원
Abstract: PURPOSE: An MnTe thermoelectric material doped with Sb and a manufacturing method thereof are provided to improve a figure of merit (ZT) by doping MnTe with a fixed quantity of Sb. CONSTITUTION: Sb, Mn, and Te are weighed respectively according to a composition ratio. The weighed Sb, Mn, and Te are melted in an ampoule under a vacuum condition. The molten materials are quickly cooled to manufacture an ingot. The ingot is pulverized to manufacture powder. An MnTe based thermoelectric material doped with Sb is manufactured.
Abstract translation: 目的:提供掺杂Sb的MnTe热电材料及其制造方法,通过用固定量的Sb掺杂MnTe来提高品质因数(ZT)。 构成:根据组成比,分别称量Sb,Mn,Te。 称重的Sb,Mn和Te在真空条件下在安瓿中熔化。 熔融材料被快速冷却以制造锭。 将锭粉碎以制造粉末。 制造掺杂有Sb的基于MnTe的热电材料。
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公开(公告)号:KR101264311B1
公开(公告)日:2013-05-22
申请号:KR1020090135094
申请日:2009-12-31
Applicant: 한국전기연구원
Abstract: 본발명은 Te계열전재료의제조방법에관한것으로서, Ag, Sb, Te를조성비에맞게각각칭량하여진공상태의앰플에장입하여용융시키는제1단계와; 상기용융된원료를냉각하여잉곳을형성하는제2단계와; 상기잉곳을열처리한후 파쇄하여 AgSbTe나노분말을제조하는제3단계와; Te계열전재료와상기 AgSbTe나노분말을각각칭량하여진공상태의앰플에장입하고열처리를수행하는제4단계와; 상기용융된원료를급냉하여얻은잉곳을와이어컷팅하거나, 상기잉곳을파쇄하여열간프레스공정후 와이어컷팅하는제5단계;를포함하여이루어지는것을특징으로하는외생삽입을통한 AgSbTe나노돗이형성된 Te계열전재료의제조방법을기술적요지로한다. 이에의해 Te계열전재료매트릭스에 AgSbTe나노돗의균일한형성으로, 나노돗의제어가용이하며, 낮은열확산도, 큰제벡계수, 낮은비저항, 높은출력인자, 낮은열전도도를가지게되어무차원성능지수를향상시켜우수한열전재료가될 수있으며, 이는열전발전및 열전냉각분야에서열전재료로써널리사용될 수있는이점이있다.
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公开(公告)号:KR101072299B1
公开(公告)日:2011-10-11
申请号:KR1020100015589
申请日:2010-02-22
Applicant: 한국전기연구원
Abstract: 본발명은열전성능의향상을위한 AgSbTe열전재료에관한것으로, La와 Sb를조성비에맞게각각칭량하여진공상태의앰플에장입하여용융시키는제1단계와; 상기용융된원료를급냉시켜잉곳을제조하는제2단계와; 상기잉곳을파쇄하여 LaSb분말을제조하는제3단계와; 상기 LaSb분말과 AgSbTe를조성비에맞게각각칭량하여진공상태의앰플에장입하고용융시키는제4단계와; 상기용융된원료를급냉하여얻은잉곳을와이어컷팅하거나, 상기잉곳을파쇄하여열간프레스또는방전플라즈마소결공정후 와이어컷팅하여 AgSbTe에 La가도핑된 Ag(SbLa)Te(0.0015≤x≤0.0025)를제조하는제5단계;를포함하여이루어지는것을특징으로하는 La가도핑된 AgSbTe열전재료의제조방법및 이에의해제조된 AgSbTe열전재료를기술적요지로한다. 이에의해 AgSbTe에 La가안정적으로미량도핑되도록하여낮은열전도도, 큰제벡계수, 낮은비저항을가지게되어성능지수를향상시켜우수한열전재료가될 수있으며, 이에의해 TAGS계열전재료제조시그 열전특성을향상시킬수 있어열전발전및 열전냉각분야에서열전재료로써널리사용될수 있는이점이있다.
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公开(公告)号:KR101063920B1
公开(公告)日:2011-09-14
申请号:KR1020090051917
申请日:2009-06-11
Applicant: 한국전기연구원
Abstract: 본 발명은 열전모듈에 관한 것으로서, 구리판의 일면에 열분사법 또는 저온분사법으로 알루미나 분말을 접착시켜 알루미나층을 형성시키는 제1단계와; 상기 알루미나층이 형성된 구리판을 인접하는 p형 소자 및 n형 소자를 전기적으로 연결시킬 수 있도록 소정 형상으로 절단시키는 제2단계와; 상기 절단된 알루미나층이 형성된 구리판의 타면에 p형 소자 및 n형 소자를 일정 간격을 두고 접합시켜 p형 소자 및 n형 소자를 직렬로 연결시키는 제3단계;를 포함하여 이루어지는 것을 특징으로 하는 베어타입 열전모듈의 제조방법 및 이에 의해 제조된 열전모듈을 기술적 요지로 한다. 이에 의해 종래의 열전모듈과 달리 알루미나 기판을 사용하지 않으므로 알루미나 기판과 구리 전극 사이의 접합 문제가 없어 열전모듈의 제조공정이 간단해지며, 또한, 알루미나 기판과 구리 전극 사이의 접합층이 존재하지 않게 되므로, 열전발전시 열원으로부터 흡수할 수 있는 열원 이용율의 개선이 가능하여 열전 발전 효율을 향상을 기대할 수 있으며, 고가의 알루미나 기판을 사용하지 않아도 되므로 열전모듈의 제조 단가 및 열전모듈의 가격을 인하시키는 효과가 있다.
열전모듈 열전소자 알루미나 기판 베어타입-
公开(公告)号:KR1020110078316A
公开(公告)日:2011-07-07
申请号:KR1020090135094
申请日:2009-12-31
Applicant: 한국전기연구원
Abstract: PURPOSE: A method of manufacturing a Te-based thermoelectric material with AgSbTe2 nano-dot formed through external generation and insertion is provided to facilitate the control of nano-dot since external generation and insertion of an AgSbTe material with nano-dot is performed on the Te-based thermoelectric material. CONSTITUTION: A method of manufacturing a Te-based thermoelectric material with AgSbTe2 nano-dot formed through external generation and insertion comprises next steps. Ag, Sb and Te are respectively measured according to composition ratio and are charged and melted in a vacuum state of ample. The melted material is cooled and ingot is formed. The ingot is heat-treated and crushed and AgSbTe2 nano powder is manufactured. Te-based thermoelectric material and the AgSbTe2 nano powder are measured and are charged and heat-treated in the vacuum state of ample.
Abstract translation: 目的:提供通过外部生成和插入形成的具有AgSbTe2纳米点的Te基热电材料的制造方法,以便于纳米点的控制,因为外部生成并且在具有纳米点的AgSbTe材料的插入 Te型热电材料。 构成:通过外部生成和插入形成的具有AgSbTe2纳米点的Te基热电材料的制造方法包括以下步骤。 Ag,Sb和Te分别根据组成比测量,并在充分的真空状态下加入和熔融。 熔化的材料被冷却并形成锭。 将锭进行热处理并粉碎,制造AgSbTe2纳米粉末。 测量Te基热电材料和AgSbTe2纳米粉末,并在充电状态下进行充电和热处理。
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公开(公告)号:KR1020110077492A
公开(公告)日:2011-07-07
申请号:KR1020090134091
申请日:2009-12-30
Applicant: 한국전기연구원
IPC: H01L35/02
Abstract: PURPOSE: A thermoelectric module for power generation and a manufacturing method thereof are provided to improve generation efficiency by reducing an internal resistance. CONSTITUTION: A plurality of n type and p type thermoelectric devices(210) are alternatively arranged and form a matrix shape. An electrode(220) is formed on the upper side or lower side of the n type and p type thermoelectric devices and electrically connects the thermoelectric devices in series. A flame resistance insulation film is filled between the thermoelectric devices and is coated on the outer side of the thermoelectric device with the electrode. A stainless package(240) is formed on the coated flame resistance insulation film(230). A pair of lead-out wires are connected to both ends of the electrode and are leaded out from the stainless package.
Abstract translation: 目的:提供用于发电的热电模块及其制造方法,以通过降低内阻来提高发电效率。 构成:交替布置多个n型和p型热电装置(210)并形成矩阵形状。 电极(220)形成在n型和p型热电元件的上侧或下侧,并串联电连接热电器件。 在热电元件之间填充有阻燃绝缘膜,并用电极涂覆在热电元件的外侧。 在涂覆的阻燃绝缘膜(230)上形成不锈钢包装(240)。 一对引出线连接到电极的两端,并从不锈钢封装中引出。
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公开(公告)号:KR1020100024028A
公开(公告)日:2010-03-05
申请号:KR1020080082685
申请日:2008-08-25
Applicant: 한국전기연구원
IPC: H01L35/08
Abstract: PURPOSE: A thermoelectric module is provided to simplify a process and reduce manufacturing cost by implementing the role of an electrode and the role of an adhesive which mechanically connects an insulating substrate and a thermoelectric element. CONSTITUTION: A top and a bottom insulating substrates(110,120) are prepared. An asymmetrically projected protrusion unit(131) is formed in a p-type device and a n-type device. A thermoelectric element(130) is arranged in order to be faced with the protrusion unit of the n-type device and the p-type device. A complex junction layer(140) welds the top and bottom insulating substrate and the thermoelectric element. The complex junction layer provides the moving path(A) of a hole or an electronics.
Abstract translation: 目的:提供一种热电模块,通过实现电极的作用和机械连接绝缘衬底和热电元件的粘合剂的作用来简化工艺并降低制造成本。 构成:准备顶部和底部绝缘基板(110,120)。 在p型器件和n型器件中形成非对称投影的突出单元(131)。 布置热电元件(130)以面对n型装置和p型装置的突出单元。 复合结层(140)焊接顶部和底部绝缘基板和热电元件。 复合结层提供孔或电子器件的移动路径(A)。
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公开(公告)号:KR1020080108781A
公开(公告)日:2008-12-16
申请号:KR1020070056769
申请日:2007-06-11
Applicant: 한국전기연구원
IPC: H01L41/187 , H01L41/16
CPC classification number: H01L41/1873 , H01L41/09 , H01L41/113 , H01L41/43
Abstract: A composition and a manufacturing method of lead-free piezoelectric ceramics are provided to improve the piezoelectricity characteristic by adding Li2CO3 and Na2CO3 to the ceramic composition. The manufacturing method of the lead-free piezoelectric ceramic composition comprises the following steps: the step that mixes and pulverizes the sample of the Na2CO3, K2CO3, Li2CO3, Nb2O5, and Ta2O5 and dries and burns; the step that re-burns the burned sample; the step for remixing, re-pulverizing the sample; the step for sintering and molding the dried sample. Li2CO3 and Na2CO3 are added to the ceramic composition of (NaxK0.95-xLi0.05)(Nb0.95Ta0.05)O3.
Abstract translation: 提供无铅压电陶瓷的组成和制造方法,以通过向陶瓷组合物中加入Li 2 CO 3和Na 2 CO 3来改善压电特性。 无铅压电陶瓷组合物的制造方法包括以下步骤:将Na 2 CO 3,K 2 CO 3,Li 2 CO 3,Nb 2 O 5和Ta 2 O 5的样品混合并粉碎并干燥和烧伤; 重燃燃烧样品的步骤; 再混合,重新粉碎样品的步骤; 用于烧结和成型干燥样品的步骤。 向(NaxK0.95-xLi0.05)(Nb0.95Ta0.05)O3的陶瓷组合物中加入Li 2 CO 3和Na 2 CO 3。
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公开(公告)号:KR1020070072211A
公开(公告)日:2007-07-04
申请号:KR1020050136216
申请日:2005-12-31
Applicant: 한국전기연구원
IPC: H02N2/02
CPC classification number: H02N2/04 , H01L41/053 , H01L41/083 , H01L41/187 , H02N2/0055
Abstract: An apparatus for magnifying a minute displacement of a piezoelectric actuator is provided to improve displacement measuring property by magnifying the minute displacement in four directions using four L-type lever members. A piezoelectric actuator(420) includes plural ceramic piezoelectric elements, which generate minute displacements according to an applied electric field. Piezoelectric displacement delivery units(470,480) are fixed at both ends of the piezoelectric actuator, receive the minute displacement from the piezoelectric actuator, and deliver the minute displacement in a length direction of the piezoelectric actuator. A support member(410) supports and fixes the piezoelectric actuator and the piezoelectric displacement delivery unit. Plural lever members(430-460) are rotatably image at both ends of the support member and magnify the horizontal displacement from the piezoelectric displacement delivery unit in vertical and horizontal directions.
Abstract translation: 提供一种用于放大压电致动器的微小位移的装置,以通过使用四个L型杠杆构件放大四个方向的微小位移来改善位移测量性能。 压电致动器(420)包括根据施加的电场产生微小位移的多个陶瓷压电元件。 压电位移输送单元(470,480)固定在压电致动器的两端,接受来自压电致动器的微小位移,并且在压电致动器的长度方向上输送微小位移。 支撑构件(410)支撑并固定压电致动器和压电位移输送单元。 多个杆构件(430-460)在支撑构件的两端是可旋转的图像,并且在垂直和水平方向放大来自压电位移输送单元的水平位移。
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70.
公开(公告)号:KR100660924B1
公开(公告)日:2006-12-26
申请号:KR1020050121583
申请日:2005-12-12
Applicant: 한국전기연구원
Abstract: Provided are an oxide which is improved in tunability, is excellent in surface characteristics and can be used as a material for a high frequency device, its preparation method, and its preparation apparatus. The oxide comprises a ferroelectric material whose physical properties are changed by the asymmetrical heating by collecting the light spreading at the halogen lamp of an asymmetric heating part to concentrate it on the surface of an oxide thick film. Preferably the ferroelectric material is a compound comprising at least one selected from the group consisting of BaTiO3, SrTiO3, and (Sr_x Ba_(1-x))TiO3. The apparatus comprises a ferroelectric material; and an asymmetric heating part(100).
Abstract translation: 本发明提供调谐性提高,表面特性优异,可用作高频器件的材料及其制备方法和制备装置的氧化物。 该氧化物包括铁电材料,其物理性质通过收集非对称加热部件在卤素灯上散布的光而集中在氧化物厚膜表面上的非对称加热而改变。 优选地,铁电材料是包含选自BaTiO 3,SrTiO 3和(Sr_xBax(1-x))TiO 3中的至少一种的化合物。 该设备包括铁电材料; 和不对称加热部分(100)。
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