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公开(公告)号：KR1020090078660A
公开(公告)日：2009-07-20
申请号：KR1020080004597
申请日：2008-01-15
Applicant: 한국과학기술연구원
CPC classification number: H01M8/1286 , C25D11/045 , C25D11/24 , C25D11/26 , C25D11/30 , C25D11/32 , C25D11/34 , H01M4/8878 , Y02P70/56
Abstract: A micro fuel cell, its manufacturing method, and a micro fuel cell stack using it are provided to inhibit the coherence of an electrode material due to the heat energy at a high temperature, thereby maintaining the structural stability even at a high temperature. A micro fuel cell comprises a solid electrolyte(50), and first and second electrodes(40,60) which are separately formed on the electrolyte, wherein at least one of the first and second electrodes is supported by a template(35) where a plurality of nanopores(47) are formed by anodizing and etching after the evaporation deposition of thin film, and is a porous electrode having the nanopore formed at the position corresponding to the entire or some part of the plurality of nanopores formed at the template.
Abstract translation: 提供一种微型燃料电池及其制造方法以及使用该微型燃料电池的微型燃料电池堆来抑制由于高温下的热能导致的电极材料的一致性，从而即使在高温下也能够保持结构稳定性。 微型燃料电池包括固体电解质（50）以及在电解质上分开形成的第一和第二电极（40,60），其中第一和第二电极中的至少一个由模板（35）支撑，其中 在薄膜的蒸发沉积之后通过阳极氧化和蚀刻形成多个纳米孔（47），并且是在对应于在模板形成的多个纳米孔的全部或部分的位置处形成的纳米孔的多孔电极。
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公开(公告)号：KR1020090007168A
公开(公告)日：2009-01-16
申请号：KR1020070070867
申请日：2007-07-13
Applicant: 한국과학기술연구원
Abstract: A manufacturing method of a porous thin film is provided to enable the porous thin film to be applied to an SOFC(Solid Oxide Fuel Cell) operated at high temperatures, and to obtain excellent adhesion with a substrate by manufacturing a porous thin film having a porous structure even at high temperatures, and the porous thin film manufactured by the same is provided. A manufacturing method of a porous thin film comprises: depositing reactive gas together with a thin film material using a thin film deposition process to form a thin film; removing the reactive gas from the thin film through heat treatment; and crystallizing the thin film to obtain a porous thin film. The thin film deposition process is one selected from sputtering, vapor deposition, ion plating, and PLD(Pulsed Laser Deposition) methods.
Abstract translation: 提供一种多孔薄膜的制造方法，以使多孔薄膜能够应用于在高温下操作的SOFC（固体氧化物燃料电池），并且通过制造具有多孔薄膜的多孔薄膜来获得与基材的优异粘附性 结构即使在高温下也是这样，并且提供了由其制造的多孔薄膜。 多孔薄膜的制造方法包括：使用薄膜沉积工艺将薄膜材料与薄膜材料一起沉积以形成薄膜; 通过热处理从薄膜中除去反应气体; 并使该薄膜结晶，得到多孔薄膜。 薄膜沉积工艺是从溅射，气相沉积，离子镀和PLD（脉冲激光沉积）方法中选择的。
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公开(公告)号：KR1020090002895A
公开(公告)日：2009-01-09
申请号：KR1020070067286
申请日：2007-07-04
Applicant: 한국과학기술연구원
CPC classification number: H01M4/8621 , B82Y30/00 , C01G45/1264 , C01P2002/72 , C01P2006/12 , C01P2006/40 , C04B35/01 , C04B35/486 , C04B35/62805 , C04B35/62815 , C04B35/62823 , C04B35/62886 , C04B35/62892 , C04B35/632 , C04B35/63488 , C04B2235/3213 , C04B2235/3224 , C04B2235/3227 , C04B2235/3229 , C04B2235/3246 , C04B2235/3267 , C04B2235/5409 , C04B2235/5436 , C04B2235/5445 , C04B2235/5454 , C04B2235/77 , H01M4/8885 , H01M4/9025 , H01M4/9033 , H01M2008/1293 , Y10T29/1194
Abstract: An electrolyte-electrode composite powder for a fuel cell and a fabrication method thereof are provided to obtain electrolyte-electrode composite powder by using a simplified process without an expensive starting material and additional high temperature process. A fabrication method of an electrolyte-electrode composite powder for a fuel cell comprises a step for manufacturing the electrode solution dissolved with an starting material of the electrode material used for an electrode of a fuel battery or a functional layer; a step for manufacturing the electrode - electrolyte solution by adding an amino acid to the electrode solution and uniformly dispersing the electrolyte powder which is not dissolved in the electrode solution; and a step for manufacturing the electrolyte-electrode composite powder by performing spontaneous combustion.
Abstract translation: 提供一种用于燃料电池的电解质 - 电极复合粉末及其制造方法，其通过使用简单的工艺而不需要昂贵的起始材料和额外的高温工艺来获得电解质 - 电极复合材料粉末。 一种用于燃料电池的电解质 - 电极复合粉末的制造方法，其特征在于，包括：利用用于燃料电池或功能层的电极的电极材料的起始材料溶解的电极溶液的制造工序; 通过向电极溶液中添加氨基酸并均匀分散未溶解在电极溶液中的电解质粉末来制造电极 - 电解质溶液的步骤; 以及通过进行自发燃烧来制造电解质 - 电极复合粉末的步骤。
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公开(公告)号：KR100797048B1
公开(公告)日：2008-01-23
申请号：KR1020070017988
申请日：2007-02-22
Applicant: 한국과학기술연구원
IPC: H01M8/02
CPC classification number: H01M8/0245 , H01M8/0236 , H01M8/0243 , H01M8/2425 , Y02E60/525
Abstract: A method for preparing a porous metal oxide foam for an air electrode current collector interposed between an air electrode and a connector of a solid oxide fuel cell stack is provided to improve conductivity, chemical stability, gas penetration, mechanical strength and buffering property. A method for preparing a porous metal oxide foam for an air electrode current collector comprises the steps of coating a conductive metal oxide slurry on a porous polymer having a 3D network structure to prepare a polymer/metal oxide composite; heating the polymer/metal oxide composite to burn the polymer, thereby forming a porous metal oxide foam; and sintering the metal oxide foam. Preferably the porous polymer is any one selected from polyurethane, polystyrene and cellulose.
Abstract translation: 提供一种用于制备介于空气电极和固体氧化物燃料电池组的连接器之间的空气电极集电体的多孔金属氧化物泡沫体的方法，以提高导电性，化学稳定性，气体渗透性，机械强度和缓冲性能。 制备空气电极集电器的多孔金属氧化物泡沫的方法包括以下步骤：在具有3D网络结构的多孔聚合物上涂覆导电金属氧化物浆料以制备聚合物/金属氧化物复合材料; 加热聚合物/金属氧化物复合物以烧结聚合物，从而形成多孔金属氧化物泡沫; 并烧结金属氧化物泡沫。 优选地，多孔聚合物是选自聚氨酯，聚苯乙烯和纤维素中的任何一种。
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45.发明授权
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Patent Agency Ranking
公开(公告)号：KR1020030086143A
公开(公告)日：2003-11-07
申请号：KR1020020024523
申请日：2002-05-03
Applicant: 한국과학기술연구원
IPC: H01L21/304
Abstract: PURPOSE: A system for in-situ electrochemical monitoring of chemical mechanical planarization is provided to be capable of observing polishing speed and the electrical chemical change of slurry and a semiconductor wafer in real time. CONSTITUTION: A system for in-situ electrochemical monitoring of chemical mechanical planarization is provided with an operation electrode(1) attached to a wafer chuck(2), a reference electrode(3) contacting the polishing slurry supplied to the center portion of a polishing pad(8), and a reverse electrode(4) contacting the slurry at the peripheral portion of the polishing pad. Preferably, the operation electrode is attached to the lateral portion of the wafer chuck. Preferably, the operation electrode has a curved contact part corresponding to the contact portion of the wafer chuck.
Abstract translation: 目的：提供化学机械平面化的原位电化学监测系统，能够实时观察抛光速度和浆料和半导体晶片的电化学变化。 构成：用于化学机械平面化的原位电化学监测的系统设置有附接到晶片卡盘（2）的操作电极（1），与提供给抛光中心部分的研磨浆料接触的参比电极（3） 衬垫（8）和与抛光垫周边部分处的浆料接触的反向电极（4）。 优选地，操作电极附接到晶片卡盘的侧部。 优选地，操作电极具有对应于晶片卡盘的接触部分的弯曲接触部分。
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公开(公告)号：KR1020030085371A
公开(公告)日：2003-11-05
申请号：KR1020020023774
申请日：2002-04-30
Applicant: 한국과학기술연구원
IPC: C04B35/573
CPC classification number: C04B35/63 , B82Y30/00 , C04B35/573 , C04B35/634 , C04B2235/3826 , C04B2235/422 , C04B2235/428 , C04B2235/48 , C04B2235/5436 , C04B2235/5454 , C04B2235/604 , C04B2235/608 , C04B2235/77
Abstract: PURPOSE: Provided is a method for producing a reaction bonding silicon carbide, which supplies melted silicon effectively regardless of the form, size and thickness of the reaction bonding silicon carbide, prevents the cohesion of the melted silicon, and supplies the melted silicon uniformly. CONSTITUTION: The method comprises the steps of: preparing a silicon supplying specimen composed of a silicon powder and a thermosetting resin selected from the group consisting of a phenol resin, a furfuryl alcohol resin and an epoxy resin as a binding agent; preparing a silicon carbide/carbon filling body; contacting the silicon supplying specimen to one side of the filling body in a reaction bonding furnace; and heat treating at the temperature higher than the melting point of the silicon under vacuum or an inert atmosphere to infiltrate the melted silicon in the silicon supplying specimen into the inside of the filling body.
Abstract translation: 目的：提供一种生产反应接合碳化硅的方法，无论反应结合碳化硅的形式，尺寸和厚度如何，均有效地提供熔融硅，防止熔融硅的内聚力，并均匀地供应熔融的硅。 方法：该方法包括以下步骤：制备由硅粉末和选自酚醛树脂，糠醇树脂和环氧树脂作为粘合剂的热固性树脂组成的供硅试样; 制备碳化硅/碳填充体; 在反应接合炉中使供硅试样与填充体的一侧接触; 在高于真空或惰性气氛的硅的熔点的温度下进行热处理，将硅供应试样中的熔融硅浸入填充体的内部。
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公开(公告)号：KR1020030073445A
公开(公告)日：2003-09-19
申请号：KR1020020013003
申请日：2002-03-11
Applicant: 한국과학기술연구원
IPC: B01J2/06
Abstract: PURPOSE: A method for preparing powder granules by liquid condensation process is provided to economically prepare uniform granules without defects, and a method for compacting powder granules by liquid condensation process is provided to freely change compaction density of granules and improve compactibility of powder granules. CONSTITUTION: The method comprises the processes of preparing slurry by mixing powder and binder with solvent(13) soluble for the binder; dropping the slurry into solvent insoluble for the binder, thereby fixing the binder so that the binder is prevented from coming out of the surface of droplets, and causing replacement between the soluble solvent and insoluble solvent inside the droplets on the surface of dropped slurry droplets, thereby condensing the droplets; and completely removing residual solvent by drying the separated droplets after separating condensed droplets from the insoluble solvent. The method for compacting powder granules by liquid condensation process comprises the processes of preparing slurry by mixing powder to be compacted and binder with solvent soluble for the binder; dropping the slurry into solvent insoluble for the binder, thereby fixing the binder so that the binder is prevented from coming out of the surface of droplets, and causing replacement between the soluble solvent and insoluble solvent inside the droplets on the surface of dropped slurry droplets, thereby condensing the droplets; completely removing residual solvent by drying the separated droplets after separating condensed droplets from the insoluble solvent; preparing green compact by pressing the dried granules in mold; and degreasing the binder by heating the green compact.
Abstract translation: 目的：提供一种通过液体缩合方法制备粉末颗粒的方法，以经济地制备无缺陷的均匀颗粒，并提供通过液体冷凝方法压实粉末颗粒的方法，以自由改变颗粒的压实密度并提高粉末颗粒的紧密度。 构成：该方法包括通过将粉末和粘合剂与可溶于粘合剂的溶剂（13）混合来制备浆料的方法; 将浆料滴入不溶于粘合剂的溶剂中，由此固定粘合剂，从而防止粘合剂从液滴的表面流出，并引起可滴落的液滴表面上的液滴内的可溶性溶剂和不溶性溶剂之间的置换， 从而冷凝液滴; 并在从不溶性溶剂中分离出浓缩的液滴后，通过干燥分离的液滴来完全除去残余溶剂。 通过液体冷凝法压粉粉末颗粒的方法包括通过将要压实的粉末和粘合剂与可溶于粘合剂的溶剂混合来制备浆料的方法; 将浆料滴入不溶于粘合剂的溶剂中，由此固定粘合剂，从而防止粘合剂从液滴的表面流出，并引起可滴落的液滴表面上的液滴内的可溶性溶剂和不溶性溶剂之间的置换， 从而冷凝液滴; 在从不溶性溶剂中分离浓缩的液滴后，通过干燥分离出的液滴来完全除去残留溶剂; 通过在模具中挤压干燥的颗粒制备生坯; 并通过加热生坯来去除粘合剂。
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公开(公告)号：KR1020030063763A
公开(公告)日：2003-07-31
申请号：KR1020020004042
申请日：2002-01-24
Applicant: 한국과학기술연구원
CPC classification number: C09G1/02 , C01P2004/64 , C09K3/1409 , C09K3/1463 , H01L21/3212 , Y10S977/888
Abstract: PURPOSE: A slurry for a tungsten CMP (chemical mechanical polishing) is provided, which shows an excellent dispersion stability of nano-sized ceramic particles in an aqueous solution and a high polishing efficiency. CONSTITUTION: The slurry comprises 5-25 wt% of a polishing agent; 1-5 wt% of an oxidizing agent; 0.4-4 wt% of an oxidation accelerator; and 1-10 wt% of an oxidation acceleration stabilizer, and is stable at pH 3-5. Preferably the polishing agent is 5-10 wt% of nano-sized alumina or 5-25 wt% of nano-sized silica, and has an average particle size of 200 nm or less; the oxidizing agent is hydrogen peroxide; the oxidation accelerator is 0.05-0.5 M Fe(NO3)3; and the oxidation acceleration stabilizer is 1-10 wt% of citric acid, 0.5-5 wt% of malonic acid or 0.6-6 wt% of oxalic acid.
Abstract translation: 目的：提供用于钨CMP（化学机械抛光）的浆料，其显示了纳米级陶瓷颗粒在水溶液中的优异分散稳定性和高抛光效率。 构成：浆料包含5-25重量％的抛光剂; 1-5重量％的氧化剂; 0.4-4重量％的氧化促进剂; 和1-10重量％的氧化加速稳定剂，在pH 3-5时稳定。 抛光剂优选为5-10重量％的纳米尺寸氧化铝或5-25重量％的纳米尺寸二氧化硅，平均粒度为200nm以下; 氧化剂是过氧化氢; 氧化促进剂为0.05〜0.5M Fe（NO 3）3; 氧化加速稳定剂为柠檬酸1-10重量％，丙二酸0.5-5重量％，草酸0.6-6重量％。
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公开(公告)号：KR100355350B1
公开(公告)日：2002-10-11
申请号：KR1020000006460
申请日：2000-02-11
Applicant: 한국과학기술연구원
IPC: C04B35/565
Abstract: 본 발명은 실형상 반응결합 탄화규소 제조방법에 관한 것으로, 탄화규소 분말, 열경화성 수지, 열가소성 수지, 경화제 및 표면활성제를 균일하게 혼합하여 슬러리를 만들고, 상기 슬러리를 원하는 형상의 몰드에 주입하고 가열 경화시켜 성형체를 형성하고, 상기 성형체를 가열하여 열가소성 수지를 탈지시키고, 상기 성형체를 가열하여 열경화성 수지를 탄화시키고, 고온하에서 상기 성형체에 용융 금속규소를 침투시키는 것으로 이루어지는 실형상 반응결합 탄화규소 제조방법을 제공한다. 본 발명에 의하면 복잡한 형상을 가지는 고강도의 반응결합 탄화규소 제품을 고가의 장비없이 경제적으로 제조할 수 있다.
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