公开(公告)号：KR1020120097196A

公开(公告)日：2012-09-03

申请号：KR1020110016615

申请日：2011-02-24

Applicant: 한국에너지기술연구원

Inventor： 김선동 ,  한인섭 ,  서두원 ,  유지행 ,  홍기석 ,  김세영 ,  우상국

IPC: H01M8/12 ,  H01M8/24 ,  H01M8/04 ,  C09K3/10

CPC classification number: C25B9/18 ,  H01M8/004 ,  H01M8/0282 ,  H01M8/10 ,  H01M8/1213 ,  H01M8/243 ,  H01M8/2485 ,  H01M2008/1293 ,  Y02E60/366

Abstract: PURPOSE: A manifold of a flat tubular solid oxide cell stack is provided to simplify a structure by supplying reaction gas to a cell stack by a pair of manifold, and to minimize a sealing part between a manifold and a cell stack. CONSTITUTION: A manifold of a flat tubular solid oxide cell stack comprises a cell stack comprising many flat-tubular unit cells, and comprises a supply part supplying a reaction gas to the cell stack, and a manifold(b) comprising an insert part in which an end part of the cell stack is inserted. The ceramic consists of zirconia or alumina. The cell stack and the manifold is sealed by a sealant. The sealant is cement or glass frit.

Abstract translation: 目的：提供扁平管状固体氧化物电池堆的多个歧管，以通过一对歧管将反应气体供应到电池堆来简化结构，并使歧管和电池堆之间的密封部分最小化。 构成：扁平管状固体氧化物电池堆的多个组合包括包含许多扁平管状单电池的电池堆，并且包括向电池堆提供反应气体的供应部分和包括插入部分的歧管（b），其中 插入电池堆的端部。 陶瓷由氧化锆或氧化铝组成。 电池堆和歧管被密封剂密封。 密封剂是水泥或玻璃料。

公开(公告)号：KR1020120016367A

公开(公告)日：2012-02-24

申请号：KR1020100078662

申请日：2010-08-16

Applicant: 한국에너지기술연구원

Inventor： 서두원 ,  유지행 ,  한인섭 ,  김선동 ,  홍기석 ,  김세영 ,  우상국

IPC: H01M8/12 ,  H01M8/02 ,  H01M8/04 ,  B30B11/22

CPC classification number: Y02P70/56 ,  H01M8/12 ,  B30B11/22 ,  H01M8/02 ,  H01M8/04

Abstract: PURPOSE: A manufacturing apparatus for a flat-tubular electrode supporter is provided to minimize the sealing portion of a manifold, and not to have the joint portion of the flat-tubular electrode supporter, thereby preventing the reduction of durability and leakage accident. CONSTITUTION: A manufacturing apparatus for a flat-tubular electrode supporter comprises a tube processing flame member(10), which is separated to two bodies, having a tube placement space part, in which a flat tube is arranged between two bodies, and a frame pressing device(20) blocking the end of the flat tube by pressurizing the tube processing frame member.

Abstract translation: 目的：提供一种用于扁平管状电极支撑件的制造装置，以使歧管的密封部分最小化，并且不具有扁平管状电极支撑件的接合部分，从而防止耐久性和泄漏事故的降低。 构成：一种扁平管状电极支架的制造装置，其特征在于，包括管状加工用火焰部件（10），该管状加工用火焰部件（10）被分离成两个主体，具有管状放置空间部，扁平管配置在两个主体之间， 挤压装置（20）通过对管加工框架构件加压来阻塞扁平管的端部。

公开(公告)号：KR101104762B1

公开(公告)日：2012-01-12

申请号：KR1020090035366

申请日：2009-04-23

Applicant: 한국에너지기술연구원

Inventor： 김세영 ,  한인섭 ,  서두원 ,  우상국 ,  홍기석 ,  유지행

IPC: C04B35/584

Abstract: 본 발명은 세라믹 복합재료의 섬유와 모재 간의 계면을 형성하는 방법에 관한 것으로서, 보다 상세하게는 화학증기증착법 (CVD)으로 실리콘 나이트라이드 (Si
3 N
4 ; silicon nitride)를 사용하여 섬유와 모재 간 계면을 형성하는 세라믹 섬유강화 세라믹 복합재료 (ceramic fiber reinforced ceramic composites)의 제조방법에 관한 것이다. 본 발명의 제조방법은 간단한 공정으로 실리콘 나이트라이드 (Si
3 N
4 )의 코팅막을 형성하여 소재의 고온안정성, 인성 및 강도를 효과적으로 향상시킬 수 있어, 항공 우주 및 극한 환경 등에 사용되는 다양한 세라믹 복합재료의 제조 시 널리 적용될 수 있다.
세라믹 복합재료, 화학증기증착법, 실리콘 나이트라이드, Si3N4, 코팅막, 게면, 고온안정성

公开(公告)号：KR1020100103194A

公开(公告)日：2010-09-27

申请号：KR1020090021677

申请日：2009-03-13

Applicant: 한국에너지기술연구원

Inventor： 우상국 ,  한인섭 ,  서두원 ,  김세영 ,  홍기석 ,  유지행 ,  김영욱 ,  엄정혜

IPC: C04B35/565 ,  C04B35/10

CPC classification number: C04B35/66 ,  C04B35/565 ,  C04B2235/3463 ,  C04B2235/5427 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/96

Abstract: PURPOSE: A ceramic composition used for manufacturing silicon carbide combined with mullite, ceramics, and a method for manufacturing the same are provided to improve an oxidation property and to obtain economical effects by manufacturing the ceramic composition at air without using atmosphere gas. CONSTITUTION: A ceramic composition used for manufacturing silicon carbide combined with mullite comprises: 10-80 weight% of assembled silicon carbide powder having an average particle diameter of 30-150 μm; 10-50 weight% of granule silicon carbide powder having an average particle diameter of 0.1-10 μm; and 10-40 weight% of an aluminum supply raw material containing a compound which is selected from aluminum(Al), alumina oxide(Al_2O_3), and aluminum hydroxide(Al(OH)_3).

Abstract translation: 目的：提供一种用于制造碳化硅与莫来石，陶瓷及其制造方法相结合的陶瓷组合物，以提高氧化性能，并且通过在不使用气氛气体的情况下在空气中制造陶瓷组合物而获得经济效果。 构成：用于制造与富铝红柱石组合的碳化硅的陶瓷组合物包括：10-80重量％的平均粒径为30-150μm的组装碳化硅粉末; 10-50重量％的平均粒径为0.1-10μm的颗粒状碳化硅粉末; 和10-40重量％的含有选自铝（Al），氧化铝（Al_2O_3）和氢氧化铝（Al（OH）3）的化合物的铝供应原料。

公开(公告)号：KR1020100024545A

公开(公告)日：2010-03-08

申请号：KR1020080083154

申请日：2008-08-26

Applicant: 한국에너지기술연구원

Inventor： 백동현 ,  정두환 ,  최영훈 ,  유지행 ,  우상국 ,  임경태 ,  이희락 ,  이상희

IPC: H01M8/12 ,  H01M4/86

CPC classification number: H01M8/1253 ,  H01M4/8657 ,  H01M4/9033 ,  H01M2008/1293 ,  H01M2300/0077 ,  Y02E60/525

Abstract: PURPOSE: A cubic ytterbia-stabilized zirconia electrolyte is provided to maintain high power density at a temperature of 800 °C or less while securing long term stability and durability and to ensure high ion conductivity. CONSTITUTION: A cubic ytterbia-stabilized zirconia electrolyte comprises a composition of (Yb_2O_3)_x(Sc_2O_3)_y(ZrO_2)_(1-x-y), the capacity of a whole stabilizer(Yb2O3+Sc2O3) is .07

Abstract translation: 目的：提供立方钇稳定的氧化锆电解液，以确保高功率密度在800℃或更低的温度，同时确保长期稳定性和耐久性，并确保高离子传导性。 构成：立方钇稳定氧化锆电解质包含（Yb_2O_3）_x（Sc_2O_3）_y（ZrO_2）_（1-xy）的组成，整个稳定剂（Yb2O3 + Sc2O3）的容量为.07 <= x + y <= 0.12，作为主要稳定剂的镱（Yb2O3）的容量高于Scandia（Sc2O3）的能力，Scandia（Sc2O3）的容量为5摩尔％以下（y <0.05）。

公开(公告)号：KR1020090010434A

公开(公告)日：2009-01-30

申请号：KR1020070073529

申请日：2007-07-23

Applicant: 한국에너지기술연구원

Inventor： 우상국 ,  한인섭 ,  서두원 ,  홍기석 ,  이시우 ,  유지행 ,  김세영 ,  배강 ,  임광현

IPC: F28F21/04 ,  F28F3/00

Abstract: Ceramic heating plate for the heat exchanger and compact ceramic heat exchanger including the same are provided that the extrusion molding technology and reaction sintering technology are applied and the heat exchange efficiency is enhanced. A ceramics heating plate for the heat exchanger comprises an exhaust gas flowing layer(110) raising the flow channel in which the exhaust gas of the high temperature is flown, and a cold air flowing layer(120) raising the flow channel in which the cold air is flown. The cold air flowing layer is laminated on the top of the exhaust gas flowing layer. The flow of exhaust gas layer and cold air flowing layer are successively by turns laminated to the multi-layer vertically.

Abstract translation: 提供了用于热交换器的陶瓷加热板和包括其的紧凑型陶瓷热交换器，其中应用了挤出成型技术和反应烧结技术，并提高了热交换效率。 用于热交换器的陶瓷加热板包括：排出气体流动层（110），其提升高温废气流动的流动通道;以及冷空气流动层（120），其使冷气流通 空中飞行 冷气流层层叠在废气流动层的顶部。 排气层和冷空气流动层的流动依次层叠到多层垂直上。

公开(公告)号：KR100707117B1

公开(公告)日：2007-04-16

申请号：KR1020050130981

申请日：2005-12-27

Applicant: 한국에너지기술연구원

Inventor： 이시우 ,  유지행 ,  서두원 ,  홍기석 ,  한인섭 ,  우상국 ,  신태호

IPC: H01M8/10 ,  H01M8/02

公开(公告)号：KR1020050004996A

公开(公告)日：2005-01-13

申请号：KR1020030044110

申请日：2003-07-01

Applicant: 한국에너지기술연구원

Inventor： 이기성 ,  우상국 ,  서두원 ,  한인섭 ,  홍기석 ,  배강

IPC: H01M4/86

Abstract: PURPOSE: Provided is a method for manufacturing a cathode support for a solid oxide fuel cell that has excellent mechanical strength while maintaining porosity and shows high electroconductivity. CONSTITUTION: The method for manufacturing a high-strength cathode support for a solid oxide fuel cell comprises the steps of: mixing 35-55 vol% of nickel oxide powder, 45-65 vol% of yttria-stabilized zirconia and 30-45 vol% of a pore generator, mixing the resultant mixture with molding aids including 1-15 wt% of a binder, 1-10 wt% of a plasticizer, 1-5 wt% of a dispersant and 1-3 wt% of a release agent, wet mixing the resultant mixture with an alcohol, and then aging the mixture; molding the aged materials into a cathode support; and baking the molded cathode support at a temperature of 1300-1500 deg.C.

Abstract translation: 目的：提供一种固体氧化物型燃料电池用阴极支撑体的制造方法，其具有优异的机械强度，同时保持孔隙率并且显示出高的导电性。 构成：制造用于固体氧化物燃料电池的高强度阴极支撑体的方法包括以下步骤：将35-55体积％的氧化镍粉末，45-65体积％的氧化钇稳定的氧化锆和30-45体积％ 的孔发生器，将所得混合物与模塑助剂混合，所述模塑助剂包括1-15重量％的粘合剂，1-10重量％的增塑剂，1-5重量％的分散剂和1-3重量％的脱模剂， 将所得混合物用醇湿混合，然后使混合物老化; 将老化的材料成型为阴极支撑体; 并在1300-1500℃的温度下烘烤成型的阴极支撑体。

公开(公告)号：KR1020020068935A

公开(公告)日：2002-08-28

申请号：KR1020010009363

申请日：2001-02-23

Applicant: 한국에너지기술연구원

Inventor： 우상국 ,  박영옥 ,  한인섭 ,  서두원 ,  이기성 ,  홍기석 ,  배강 ,  이상훈

IPC: B01D39/20

CPC classification number: B01D39/2075 ,  B01D2239/0471 ,  B01D2239/10 ,  C04B35/565 ,  C04B35/64

Abstract: PURPOSE: A fabrication method of silicon carbide ceramics filters on the outer surface of which a coating layer is formed is provided to improve dust collection efficiency. CONSTITUTION: The fabrication method of silicon carbide ceramics filter includes the steps of mixing silicon carbide ceramics powder 100 vol.%, 0.1 to 30.0 vol.% of carbon powder (based on the 100 volume percent of silicon carbide ceramics powder), 1.0 to 15.0 wt.% of inorganic binder (based on the 100 weight percent of silicon carbide ceramics powder), 3.0 to 20.0 wt.% of organic binder, 0.1 to 5.0 wt.% of calcium carbonate, 0.1 to 15.0 wt.% of dispersant, 0.1 to 3.0 wt.% of releasing agent and 10.0 to 35.0 wt.% of water; aging the mixture; pressure extruding the mixture in the form of filter; coating the surface of the filter by spray coating a coating solution; and sintering the coated filter. The coating solution comprises, based on the 100 parts by weight of silicon carbide ceramics powder, 0.5 to 15.0 wt.% of clay, 0.1 to 5.0 wt.% of calcium carbonate, 0.1 to 5.0 wt.% of carboxymethylcellulose, 0.1 to 5.0 wt.% of dispersant, 0.1 to 3.0 wt.% of defoaming agent and 150 to 250 wt.% of water. The sintering process includes the steps of heating the coated ceramic filter up to 800°C at temperature elevation rate of 1 to 2 °C/min; holding it at 800°C for 1-6 hours; heating the coated ceramic filter in the temperature range of 1000 to 1800°C at temperature elevation rate of 4°C/min; holding it at 1000-1800°C for 1-10 hours; and cooling to ambient temperature at a cooling rate of 5°C/min.

Abstract translation: 目的：提供在其外表面上形成涂层的碳化硅陶瓷过滤器的制造方法，以提高灰尘收集效率。 构成：碳化硅陶瓷过滤器的制造方法包括将碳化硅陶瓷粉末100体积％，碳粉0.1〜30.0体积％（碳化硅陶瓷粉末的100体积％）混合，1.0〜15.0 无机粘合剂的重量百分比（基于100重量％的碳化硅陶瓷粉末），3.0-20.0重量％的有机粘合剂，0.1-5.0重量％的碳酸钙，0.1-15.0重量％的分散剂，0.1 至3.0重量％的脱模剂和10.0至35.0重量％的水; 老化混合物; 以过滤器的形式挤压混合物; 通过喷涂涂层溶液涂覆过滤器的表面; 并烧结涂层过滤器。 涂布溶液基于100重量份的碳化硅陶瓷粉末，含有0.5〜15.0重量％的粘土，0.1〜5.0重量％的碳酸钙，0.1〜5.0重量％的羧甲基纤维素，0.1〜5.0重量％ 的分散剂，0.1〜3.0重量％的消泡剂和150〜250重量％的水。 烧结过程包括以1至2℃/ min的升温速率将涂覆的陶瓷过滤器加热至800℃的步骤; 在800℃保持1-6小时; 在1000〜1800℃的温度范围内以4℃/ min的升温速度加热涂覆的陶瓷过滤器; 在1000-1800℃保持1-10小时; 并以5℃/ min的冷却速度冷却至环境温度。

公开(公告)号：KR1020020067257A

公开(公告)日：2002-08-22

申请号：KR1020010007749

申请日：2001-02-16

Applicant: 한국에너지기술연구원

Inventor： 우상국 ,  한인섭 ,  이기성 ,  서두원 ,  홍기석 ,  배강 ,  임광현 ,  임병훈

IPC: C04B35/573

CPC classification number: C04B35/573 ,  C04B35/563 ,  C04B35/62695 ,  C04B35/64 ,  C04B2235/3821 ,  C04B2235/3826

Abstract: PURPOSE: A method for manufacturing silicon carbide-boron carbide composites by liquid phase reaction sintering is provided which can compensate strength/hardness reduction due to free silicone in silicon carbide-boron carbide composite produced by liquid phase reaction sintering. CONSTITUTION: The manufacturing method of silicon carbide-boron carbide composites by liquid phase reaction sintering includes the steps of (i) adding 5-40 wt.% of boron carbide(B4C) to an admixture comprising 80-95 wt.% silicon carbide and 5-20 wt.% carbon powder followed by mixing, wherein the silicon carbide is composed of coarse particle and fine particle in a ratio of 7:3, and the carbon powder is carbon black having mean particle size of less than 1μm; (ii) adding 1-2 wt.% of organic binder to the mixture obtained in the first step followed by granulating above mixture with a sieve having 50-100 mesh size; (iii) pressing the granulated mixture by uniaxial pressing at 300-500Kg/cm¬2; and (iv) sintering process. The sintering process is characterized in that above formed mixture is heated up to 600 deg.C at a temperature rising rate of 1 to 2 deg.C/min under decompressed atmosphere of 10¬-1 to 10¬-2 torr and then holding the temperature for 1 hour; sequentially it is heated to temperature ranges of 1,550 to 1,600°C at a temperature rising rate of 5 deg.C/min and then holding the temperature for a certain period of time; and finally it is heated up to 1,700°C.

Abstract translation: 目的：提供一种通过液相反应烧结制造碳化硅 - 碳化硼复合材料的方法，其可以补偿由液相反应烧结制备的碳化硅 - 碳化硼复合材料中的游离硅氧烷的强度/硬度降低。 构成：通过液相反应烧结制造碳化硅 - 碳化硼复合材料的方法包括以下步骤：（i）将5-40重量％的碳化硼（B4C）加入到包含80-95重量％的碳化硅和 5-20重量％的碳粉末，然后混合，其中碳化硅由比例为7:3的粗颗粒和细颗粒组成，碳粉是平均粒度小于1μm的炭黑; （ii）在第一步骤中获得的混合物中加入1-2重量％的有机粘合剂，然后用具有50-100目尺寸的筛子将上述混合物造粒; （iii）以300-500Kg / cm 2的单轴压制压制造粒混合物; 和（iv）烧结工艺。 烧结过程的特征在于，将上述形成的混合物在10-1-10 -2托的减压气氛下以1至2℃/ min的升温速率加热至600℃，然后将 温度1小时; 依次加热至1550〜1600℃的温度范围，升温速度为5℃/分钟，然后保温一定时间; 最后加热到1700℃。