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公开(公告)号：KR100525839B1
公开(公告)日：2005-11-03
申请号：KR1020030044110
申请日：2003-07-01
Applicant: 한국에너지기술연구원
IPC: H01M4/86
Abstract: 본 발명은, 고체산화물 연료전지용 고강도 음극 지지체 제조방법에 관한 것이다.
이는 특히, 고온 연료전지용 고강도 음극지지체의 제조방법에 있어서, 몰비로 10%의 이트리아로 안정화된 지르코니아가 45∼65vol% 첨가되며, 니켈옥사이드 분말 35∼55vol%가 첨가된 혼합분말에 30∼45vol%의 기공형성제로써 활성탄 혹은 카본블랙의 탄소분말이 첨가되는 단계와, 성형보조제로써 1∼15wt%의 결합제, 1∼5wt%의 분산제, 1∼10wt%의 가소제, 1∼3wt%의 이형제와 함께 가압성형, 압출성형, 혹은 태잎 성형하여 평판형 또는 원통형으로 성형하는 단계와, 성형보조제를 제거한 후 가열에 의해 소결하는 단계를 포함하는 구성으로 이루어 진다.
이에따라서, 기공율과 전기전도도가 고온 연료전지의 음극으로 사용되는데 있어서 우수하면서도 특히 강도가 높은 고강도 음극지지체를 제조하는 방법이 제공된다.-
公开(公告)号：KR100419778B1
公开(公告)日：2004-02-21
申请号：KR1020010007749
申请日：2001-02-16
Applicant: 한국에너지기술연구원
IPC: C04B35/573
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 - 碳化硼复合材料中由游离硅氧烷引起的强度/硬度降低。 构成：通过液相反应烧结的碳化硅 - 碳化硼复合材料的制造方法包括以下步骤：（i）将5-40重量％的碳化硼（B 4 C）加入到包含80-95重量％的碳化硅和 5-20重量％的碳粉，然后混合，其中碳化硅由粗颗粒和细颗粒以7:3的比例组成，碳粉是平均粒径小于1μm的炭黑; 米; （ii）将1-2重量％的有机粘合剂加入到第一步获得的混合物中，随后用50-100目尺寸的筛将上述混合物造粒; （iii）通过在300-500Kg / cm 2和2下单轴压制造粒的混合物; 和（iv）烧结过程。 该烧结过程的特征在于，在减压10〜10℃〜2乇的气氛中，将上述形成的混合物以1〜2℃/分钟的升温速度升温至600℃后， 温度1小时; 依次以5℃/分钟的升温速度将其加热至1550至1600℃的温度范围，然后保持该温度一段时间; 最后加热到1700℃。
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公开(公告)号：KR1020020089736A
公开(公告)日：2002-11-30
申请号：KR1020010028572
申请日：2001-05-24
Applicant: 한국에너지기술연구원
IPC: F28F1/40
Abstract: PURPOSE: A high efficiency heat exchanger using helical inner tube is provided to collect high temperature waste heat so as to reuse. CONSTITUTION: An inner tube is made of ceramic material, formed with an upper tube(21) and a lower tube(21') separating each other and inserted into a heat transfer pipe(11) and has a periphery spirally grooved. The heat transfer pipe is installed to air inlet side header blocks(41,41') and air outlet side header blocks(42,42') and installed to the air inlet side with a fixing flange and coupling bolts so that air flows therein through an inside and an outside of the inner tube simultaneously.
Abstract translation: 目的：提供使用螺旋内管的高效热交换器来收集高温余热以便重新使用。 构成：内管由陶瓷材料制成，形成有彼此分离并插入传热管（11）中的上管（21）和下管（21'），并具有螺旋状的外周。 传热管安装在空气入口侧集管块（41,41'）和空气出口侧集管块（42,42'）上，并通过固定法兰和联接螺栓安装到空气入口侧，使空气流过其中 同时内管内外。
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公开(公告)号：KR1020000074647A
公开(公告)日：2000-12-15
申请号：KR1019990018715
申请日：1999-05-24
Applicant: 한국에너지기술연구원 , 주식회사 신현기업
IPC: B05C9/02
Abstract: PURPOSE: A method coats a fluorinated resin of good corrosion resistance on heat transfer steel tube to inhibit corrosion of the tube from low temperature exhaust gas to enable the recovery of low temperature waste heat for energy saving and the durability of the tube. CONSTITUTION: The method comprises the steps of : pretreating the surface of the heat transfer tube to remove foreign matters including dusts, oils, rust from the tube; sanding the pretreated surface with Al2O3 polishing powder of 80 mesh at the rate of 3Kg/cm¬2; spraying or electrostatically coating a mixture of carbon 10%, TiO2 10%, liquid PFA(per fluoro alkoxy-Dupont product) 40%, toluene 5%, a dispersing agent(Priton X-100-Rohn & Hans product) 5%, polyimide, polyethylene sulfide(PE5) or polypropylene sulfide(PPS) adhesive 20%, distilled water 10% to bake at the temperature of 400°C for one hour, for primary coating; for secondary coating, spraying or making electrostatic coating of a mixture of carbon 10%, TiO 25%, liquid PFA 50%, toluene 5%, a dispersing agent (Priton X-100) 5%, distilled water 20%, pearl shell powder 5% to bake at the temperature of 340-350°C for 1 hour; for top coating, spraying, or making electrostatic coating of a mixture of powder PFA 22 gram and NO. 22 paint additive(Daw Coning product) 1 gram to bake at 340-350 degree C for 4-5 hours. The finished coating is checked with a pinhole tester to recoat the pinhole parts.
Abstract translation: 目的：一种涂覆传热钢管耐腐蚀性好的氟化树脂的方法，以防止低温废气对管道的腐蚀，从而能够回收低温废热以节约能源和保持管子的耐久性。 构成：该方法包括以下步骤：预处理传热管表面以除去管内的灰尘，油，锈等异物; 以3Kg / cm 2的速率用80目的Al2O3抛光粉砂打磨预处理的表面; 喷涂或静电涂覆碳10％，TiO2 10％，液体PFA（全氟烷氧基 - Dupont产品）40％，5％甲苯，5％分散剂（Priton X-100-Rohn＆Hans产品）5％，聚酰亚胺 ，聚乙烯硫化物（PE5）或聚丙烯硫化物（PPS）粘合剂20％，蒸馏水10％，在400℃的温度下烘烤1小时，进行一次涂布; 用于二次涂覆，喷涂或静电涂覆10％，TiO 25％，液体PFA 50％，甲苯5％，分散剂（Priton X-100）5％，蒸馏水20％，珍珠贝壳粉末 5％在340-350℃的温度下烘烤1小时; 用于顶部涂层，喷涂或静电涂覆粉末PFA 22克和NO的混合物。 22漆添加剂（Daw Coning产品）1克，在340-350℃烘烤4-5小时。 用针孔测试仪检查成品涂层以覆盖针孔部分。
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公开(公告)号：KR1020000033218A
公开(公告)日：2000-06-15
申请号：KR1019980049980
申请日：1998-11-20
Applicant: 한국에너지기술연구원
IPC: C04B35/584 , C04B35/565
CPC classification number: C04B35/591 , C04B35/64 , C04B2235/3826 , C04B2235/46
Abstract: PURPOSE: A method of preparing silicone nitride combined silicon carbide composite material is provided, by which the prepared composite material is able to be used as a wear-resistant fireproof material. CONSTITUTION: The method comprises steps of: (i) mixing silicone carbide, silicone and Si3N4 with organic binder; (ii) eliminating the organic binder by molding the mixture of step (i), drying it and then heat-treating it at 900°C in a nitrogen gas atmosphere; (iii) sintering the step (ii) at a temperature of 1,300-1,450°C for 2-20 hours to form Si3N4 by the reaction of the silicone and the nitrogen gas.
Abstract translation: 目的：提供一种制备氮化硅复合碳化硅复合材料的方法，通过该方法可将制备的复合材料用作耐磨耐火材料。 方法：该方法包括以下步骤：（i）将硅碳化硅，硅氧烷和Si 3 N 4与有机粘合剂混合; （ⅱ）通过模制步骤（ⅰ）的混合物，干燥所述有机粘合剂，然后在氮气气氛中在900℃下进行热处理; （iii）在1,300-1,450℃的温度下烧结步骤（ii）2-20小时，以通过硅氧烷和氮气的反应形成Si 3 N 4。
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Patent Agency Ranking
公开(公告)号：KR1019960007149A
公开(公告)日：1996-03-22
申请号：KR1019940019585
申请日：1994-08-09
Applicant: 한국에너지기술연구원
IPC: B29C47/30
Abstract: 하니컴구조체의 압출성형용 금형에 관한 것으로 더 상세하게는 관상공부위의 도입통로와 선단부위의 성형용통로가 직접 상호 관통되도록 되어 있어 배토의 압출저항을 감소시켰고, 도입통로와 성형용 통로 사이에 원추형태의 홈을 형성시켜 압력부배를 균등하게 하였으며, 또한 도입통로가 다수 설치된 관상공부위와 성형용통로가 다수 선단부위를 일체화시켜 가공 및 제작이 용이하도록 한 하니컴구조체의 압출성형용 금형에 관한 것으로 하니컴구조체의 압출성형용 금형에 있어서, 배토가 압입되는 원형의 도입통로가 다수 설치된 관상공부위와 하니컴형상을 갖도록 하는 격자상으로 된 성형용 통로가 다수 설차된 선단부위가 분리되어 있지 않고 일체화된 하나의 구조로 되어 있는 후면부금형과 하니컴구조체의 외피를 형성하고 후면부금형에 걸 리는 압력을 지지해 주는 전면부금형, 두 파트로 분리, 구성되어 있어 가공 및 제작이 용이하도록 한 것을 특징으로 한 "하이컴구조체의 압출성형용 금형".
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公开(公告)号：KR1019920019704A
公开(公告)日：1992-11-19
申请号：KR1019910006488
申请日：1991-04-23
Applicant: 한국에너지기술연구원
IPC: C04B35/10
Abstract: 내용 없음
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公开(公告)号：KR1020160080663A
公开(公告)日：2016-07-08
申请号：KR1020140193334
申请日：2014-12-30
Applicant: 한국에너지기술연구원
Abstract: 본발명은용융염의녹는온도를낮추기위하여, NaNO-KNO-Ca(NO)-NaCl-KCl-LiNO또는 NaNO-KNO-Ca(NO)-NaCl-CaCl-LiNO의 6성분계를포함하는열저장물질에관한것이다.
Abstract translation: 本发明涉及包含NaNO_3-KNO_3-Ca（NO_3）2-NaCl-KCl-LiNO_3或NaNO_3-KNO_3-Ca（NO_3）2-NaCl_CaCl_2-LiNO_3的六成分体系的储热材料，以降低熔点 熔盐
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公开(公告)号：KR1020140100041A
公开(公告)日：2014-08-14
申请号：KR1020130012752
申请日：2013-02-05
Applicant: 한국에너지기술연구원
Abstract: A flat-tubular solid oxide cell according to the present invention comprises multiple solid oxide unit cells having a first gas flow channel formed therein in a longitudinal direction, and having a gas inlet port for a first gas flowing in on one side of the first gas flow channel and a gas outlet port for the first gas flowing out on the other side of the first gas flow channel; a channel connector positioned between the gas inlet port and the gas outlet port of adjacent solid oxide unit cells, wherein the gas outlet port of one of the adjacent solid oxide unit cells is arranged to face the gas inlet port of the other, and connecting the first gas flow channels of the adjacent solid oxide unit cells; and a ring-shaped compressed sealing gasket interposed between the mutually facing gas inlet port and gas outlet port, and the channel connector to prevent leakage of the first gas.
Abstract translation: 根据本发明的扁平状固体氧化物电池包括多个固体氧化物单元电池，其具有沿纵向方向形成在其中的第一气体流动通道，并且具有用于在第一气体的一侧流动的第一气体的气体入口 流动通道和用于第一气体在第一气体流动通道的另一侧流出的气体出口; 位于相邻的固体氧化物单元电池的气体入口和气体出口之间的通道连接器，其中相邻的固体氧化物单元电池中的一个的气体出口被布置为面对另一个的气体入口，并将 相邻的固体氧化物单元的第一气体流动通道; 以及介于相互面对的气体入口和气体出口之间的环形压缩密封垫圈，以及用于防止第一气体泄漏的通道连接器。
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公开(公告)号：KR1020140042155A
公开(公告)日：2014-04-07
申请号：KR1020120108515
申请日：2012-09-28
Applicant: 한국에너지기술연구원
Abstract: The present invention relates to a grouting material composition including alumina and bentonite, wherein the alumina is included at a level of 10-500 wt% with respect to the weight of the bentonite. In addition, the present invention relates to a grouting method using the grouting material composition. [Reference numerals] (AA) Improve thermal conductivity; (BB) Bentonite
Abstract translation: 本发明涉及一种包括氧化铝和膨润土的灌浆材料组合物，其中氧化铝的含量相对于膨润土的重量为10-500重量％。 此外，本发明涉及使用该灌浆材料组合物的灌浆方法。 （附图标记）（AA）提高导热性; （BB）膨润土
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