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公开(公告)号:KR1020130024403A
公开(公告)日:2013-03-08
申请号:KR1020110087844
申请日:2011-08-31
Applicant: 서울대학교산학협력단 , 한국과학기술연구원
IPC: C22C11/08
CPC classification number: C22C1/1084
Abstract: PURPOSE: A chemical compound forming method is provided to form substances having a semi-stable form more easily and stably as a product is formed with a mechanical alloy method by grinding a reactant into pieces of 50nm or less. CONSTITUTION: A chemical compound forming method comprises; a step for preparing a reactant which includes at least three elements; and a step for forming a product with a mechanical alloy method by grinding a reactant into pieces of 50nm or less. The step for preparing a reactant comprises; a step for primarily grinding an initial reactant with a ball mill method; and a step for secondarily grinding the ground initial reactant with a planetary ball mill process. [Reference numerals] (AA) Intensity(cds); (BB) Scattering angle(°)
Abstract translation: 目的:提供化合物形成方法,通过将反应物研磨成50nm以下的片,通过机械合金法形成更容易且稳定地形成半稳定形态的物质。 构成:化合物形成方法包括: 制备包含至少三种元素的反应物的步骤; 以及通过将反应物研磨成50nm以下的片,通过机械合金法形成产品的步骤。 制备反应物的步骤包括: 用球磨法主要研磨初始反应物的步骤; 以及用行星式球磨机二次研磨地面初始反应物的步骤。 (AA)强度(cds); (BB)散射角(°)
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公开(公告)号:KR1020150007686A
公开(公告)日:2015-01-21
申请号:KR1020130081993
申请日:2013-07-12
Applicant: 서울대학교산학협력단
Abstract: 열전재료 또는 열전모듈의 양단에 300℃ 이상의 큰 온도차를 유지시키며 열전성능 및 출력전력을 측정할 수 있는 열전성능 측정 장치를 제공한다. 본 발명에 따른 열전성능 측정 장치는 측정이 이루어지는 진공 챔버, 열전재료 시료 상단을 직접 가열하기 위한 히터, 상기 시료 하단을 직접 냉각하기 위한 냉각 블록, 상기 시료 둘레를 포위하는 단열재, 상기 시료 상단과 하단의 온도를 측정하여 표기하여 주는 온도측정 장치, 및 상기 시료 상단과 하단에 흐르는 전류와 전압을 측정하는 전류전압측정 장치를 포함한다. 본 발명에 따른 열전성능 측정 장치는 종래의 열전성능 측정 장치에 비해 열전재료의 실제 사용환경과 유사한 환경에서 열전성능을 측정하기 때문에 열전재료의 실제 응용에 더욱 도움이 되는 데이터를 얻을 수 있다.
Abstract translation: 提供一种热电性能测量装置,其能够在热电材料或热电模块的两端之间保持300℃以上的较大温度差的同时测量热电材料或热电模块的热电性能和输出功率。 根据本发明,热电性能测量装置包括:进行测量的真空室; 加热器,用于直接加热热电材料的样品的顶部; 冷却块直接冷却样品的底部; 围绕标本的绝缘材料; 测量和指示样品顶部和底部温度的温度测量单元; 以及电流电压测量单元,测量施加到样品的顶部和底部的电流和电压。 与现有的热电性能测量装置相比,根据本发明的热电性能测量装置能够在与实际使用的环境类似的环境中测量热电材料的热电性能,从而获得对实际的实际情况有用的数据 应用热电材料。
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公开(公告)号:KR101198213B1
公开(公告)日:2012-11-07
申请号:KR1020100091868
申请日:2010-09-17
Applicant: 서울대학교산학협력단
IPC: H01L35/34
CPC classification number: C04B35/01 , B32B18/00 , C04B35/6268 , C04B35/645 , C04B2235/3201 , C04B2235/3208 , C04B2235/3213 , C04B2235/3272 , C04B2235/3275 , C04B2235/5292 , C04B2235/604 , C04B2235/612 , C04B2235/663 , C04B2235/666 , C04B2235/787
Abstract: 열전 소자용 다결정 세라믹의 제조 방법이 제공된다. 이 방법은 소성된(calcined) 세라믹 분말을 준비하는 것, 소성된 세라믹 분말을 일축(uni-axial) 압축하여 세라믹 시트(sheet)를 형성하는 것, 복수의 세라믹 시트들을 일축 방향으로 적층하는 것 및 적층된 복수의 세라믹 시트들을 동시 소성(cofiring)하는 것을 포함한다.
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公开(公告)号:KR1020130134799A
公开(公告)日:2013-12-10
申请号:KR1020120058579
申请日:2012-05-31
Applicant: 서울대학교산학협력단
Abstract: Provided is a manufacturing method of composite powder enabling to manufacture an electrode for a solid oxide fuel cell in a mesoporous structure with a low temperature sintering. The manufacturing method of composite powder according to the present invention comprises that a surfactant ethanol solution in which Pluronic^R F127 surfactant is added to ethanol is formed, and that a sol solution is formed by mixing a metallic salt of nickel, a metallic salt of gadolinium and a metallic salt of cerium in the surfactant ethanol solution. The sol solution is synthesized to a gel state by using the hydrothermal synthesis at 100°C or less, and dried powder is obtained by drying the synthesized gel state solution. Then, calcinated powder is obtained by calcinating the dried powder. [Reference numerals] (AA) Add F127 surfactant in aqueous hydrochloric acid and ethanol;(BB) Material mixing (Cerium nitrate hexahydrate + Gadolinium nitrate hexahydrate +Nickel nitrate hexahydrate);(CC) Stiring;(DD) Gelation (Stirring at 80°C for 1 hour);(EE) Hydrothermal synthesis (80°C for 7 days);(S1) Mixing;(S2) Synthesis;(S3) Dry - Heating at 70°C in air;(S4) Calcination - 450-650°C for 2 hours at the atmosphere of air in furnace
Abstract translation: 提供一种复合粉末的制造方法,其能够制造具有低温烧结的介孔结构中的固体氧化物型燃料电池用电极。 根据本发明的复合粉末的制造方法包括:将形成PluronicRF127表面活性剂的表面活性剂乙醇溶液加入到乙醇中,并且溶胶溶液通过将镍的金属盐, 钆和铈的金属盐在表面活性剂乙醇溶液中。 通过使用100℃以下的水热合成将溶胶溶液合成为凝胶状,通过干燥合成的凝胶状溶液得到干燥粉末。 然后,通过煅烧干燥的粉末获得煅烧粉末。 (AA)添加F127表面活性剂在盐酸水溶液和乙醇中;(BB)混合物(硝酸铈六水合物+硝酸钆六水合物+硝酸镍六水合物);(CC)烧结;(DD)凝胶(80℃搅拌 C)1小时);(EE)水热合成(80℃7天);(S1)混合;(S2)合成;(S3)在70℃干燥空气中加热;(S4)煅烧 - 650℃,炉中空气气氛2小时
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公开(公告)号:KR102025440B1
公开(公告)日:2019-09-25
申请号:KR1020120058579
申请日:2012-05-31
Applicant: 서울대학교산학협력단
IPC: H01M8/1226 , H01M8/1213 , H01M8/124
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公开(公告)号:KR1020130119400A
公开(公告)日:2013-10-31
申请号:KR1020130115595
申请日:2013-09-27
Applicant: 서울대학교산학협력단
IPC: H01M14/00
Abstract: PURPOSE: A beta battery has improved surface area where a first semiconductor film and a metal structure are three dimensionally in contact with each other, thereby increasing the current amount per unit area and having excellent electrical efficiency. CONSTITUTION: A beta battery includes a metal structure (100) including a plurality of pores (102); a radioisotope source (130) filling the plurality of pores; and a first semiconductor (120) arranged between the metal structure and a radiation source. A manufacturing method of the beta battery comprises a step of forming a plurality of pores in a metal structure including a first metal; a first semiconductor film on the inner side of the pores; and a step of providing a radiation source filling the pores with the first semiconductor film.
Abstract translation: 目的:β电池具有改善的表面积,其中第一半导体膜和金属结构相互三维地接触,从而增加每单位面积的电流量并且具有优异的电效率。 构成:β电池包括包括多个孔(102)的金属结构(100); 填充所述多个孔的放射性同位素源(130); 以及布置在金属结构和辐射源之间的第一半导体(120)。 β电池的制造方法包括在包括第一金属的金属结构体中形成多个孔的工序; 在孔的内侧的第一半导体膜; 以及提供用第一半导体膜填充孔的辐射源的步骤。
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公开(公告)号:KR1020120029806A
公开(公告)日:2012-03-27
申请号:KR1020100091868
申请日:2010-09-17
Applicant: 서울대학교산학협력단
IPC: H01L35/34
CPC classification number: C04B35/01 , B32B18/00 , C04B35/6268 , C04B35/645 , C04B2235/3201 , C04B2235/3208 , C04B2235/3213 , C04B2235/3272 , C04B2235/3275 , C04B2235/5292 , C04B2235/604 , C04B2235/612 , C04B2235/663 , C04B2235/666 , C04B2235/787
Abstract: PURPOSE: A method for manufacturing a polycrystalline ceramic for a thermoelectric device is provided to improve grain boundary directivity by laminating ceramic sheets formed with a uni-axial compression and simultaneously calcining the ceramic sheets. CONSTITUTION: Calcined ceramic powder is prepared. Ceramic sheets(110s1-110s5) are formed by uni-axially compressing the calcined ceramic powder. The ceramic sheets are laminated in a uni-axial direction. The plurality of laminated ceramic sheets are simultaneously calcined. The calcined ceramic powder has a thin disk shape.
Abstract translation: 目的:提供一种用于制造用于热电装置的多晶陶瓷的方法,通过层压形成有单轴压缩的陶瓷片并同时煅烧陶瓷片来提高晶界方向性。 构成:制备煅烧陶瓷粉末。 陶瓷片(110s1-110s5)通过单轴压缩煅烧陶瓷粉末而形成。 陶瓷片沿单轴方向层叠。 多个层叠陶瓷片同时煅烧。 煅烧陶瓷粉末具有薄盘形状。
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公开(公告)号:KR102067018B1
公开(公告)日:2020-01-15
申请号:KR1020190034074
申请日:2019-03-26
Applicant: 서울대학교산학협력단 , (주) 이노쎄라
IPC: C04B35/565 , C04B35/622 , C04B35/626 , C04B35/63 , C04B35/64 , C01B32/963
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