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161.发明授权
公开(公告)号：KR100407793B1
公开(公告)日：2003-12-01
申请号：KR1020010054158
申请日：2001-09-04
Applicant: 한국과학기술연구원
IPC: H01M8/02
CPC classification number: H01M8/1051 , B01D69/141 , B01J47/12 , C08J5/2275 , C08J2323/06 , C08J2325/06 , H01M8/04197 , H01M8/1004 , H01M8/1011 , H01M8/1023 , H01M8/1039 , H01M8/1086 , Y02E60/523 , Y02P70/56
Abstract: 본 발명은 분리능이 있는 수소 이온 교환 복합막, 복합 용액, 그 제조방법 및 이를 포함하는 연료전지에 관한 것으로서, 본 발명에 따른 이온 교환 복합막은 배리어 물질인 클레이 또는 유기화된 유기 클레이가 이온 전도성 고분자 필름에 분산되어 있는 구조를 갖고 있다. 이러한 이온 교환 복합막은 메탄올을 선택적으로 차단하면서도 수소 이온의 확산에 큰 저하가 없으며, 또한 비용면에서도 유리한 장점을 가지고 있다. 따라서, 본 발명의 이온 교환 복합막은 메탄올을 연료로 하는 직접 메탄올 연료전지에 유용하게 사용될 수 있다.
Abstract translation: 离子交换组合物膜由离子导电聚合物膜中分散的天然粘土和/或有机粘土构成，作为甲醇阻挡材料。 该膜表现出低甲醇交叉，高质子传导性，因此适合用于具有低成本优势的直接甲醇燃料电池。 ＆lt;图像＆GT;
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公开(公告)号：KR100405671B1
公开(公告)日：2003-11-15
申请号：KR1020000040953
申请日：2000-07-18
IPC: H01M8/10
Abstract: 본 발명은 고분자 연료전지의 제조방법 및 이 방법으로 제조된 고분자 연료전지에 관한 것으로서, a) 에너지가 0.1 내지 2.0 keV인 이온빔을 고분자 전해질 막에 조사하여 막의 표면에 요철을 형성시키는 단계,b) 촉매 슬러리를 제조하는 단계, c) 상기 고분자 전해질 막의 양쪽 면에 상기 촉매를 코팅시켜 애노드와 캐소드 전극을 형성시키는 단계 및 d) 상기 형성된 전극의 외부에 탄소섬유로 만들어진 기체 확산층을 위치시키는 단계로 표면적이 큰 고분자 전해질 막의 양쪽 표면에 촉매층을 코팅하여 제조된 전극을 포함함으로써 소량의 촉매로 성능이 우수한 연료전지를 제조할 수 있다.
Abstract translation: 目的：提供一种通过离子辅助反应方法生产包含具有优异性能和大表面积的电解质膜的聚合物燃料电池的方法。 构成：该方法包括：（a）向聚合物电解质膜（11）照射具有1×10 13至1×10 19离子/ cm 2的能量为0.1至2.0keV的离子束以形成凹凸 在聚合物电解质膜的表面上; （b）在溶剂和增稠剂存在下制备催化淤浆; （c）将聚合物电解质膜两侧的催化剂涂覆到阳极电极（12）和阴极电极（13）上; （d）将由碳纤维构成的扩散层（14）配置在所制作的电极（12,13）的外侧。
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公开(公告)号：KR1020030070352A
公开(公告)日：2003-08-30
申请号：KR1020020009868
申请日：2002-02-25
Applicant: 한국과학기술연구원
IPC: H01M8/02
Abstract: PURPOSE: A separation plate for a fuel cell is provided, to allow the gas to flow uniformly and the components for a fuel cell to be fixed easily and to minimize the loss of the generated current. CONSTITUTION: The separation plate(11) has the gas path(12) which has the repeated zigzag-structured pattern and contains at least one linear bar. The linear bar is repeatedly arranged in the zigzag-structured gas path by a group comprising a plurality of the linear bars. Preferably a reference hole(13) is set for fixing the position of components when a fuel cell is engaged. Preferably an output line(14) for obtaining the current generated at the fuel cell is directly set to the separation plate for allowing the output path of the generated current to be the shortest path.
Abstract translation: 目的：提供一种用于燃料电池的分离板，以使气体均匀地流动，并使燃料电池的部件容易固定，并使发电电流的损失最小化。 构成：分离板（11）具有气体路径（12），其具有重复的锯齿形结构图案并且包含至少一个线性条。 线性条通过包括多个线性条的组重复地布置在之字形结构的气体路径中。 优选地，设置参考孔（13），用于在燃料电池接合时固定部件的位置。 优选地，用于获得在燃料电池处产生的电流的输出线（14）被直接设置到分离板，用于允许所产生的电流的输出路径是最短路径。
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公开(公告)号：KR1020030063676A
公开(公告)日：2003-07-31
申请号：KR1020020003925
申请日：2002-01-23
Applicant: 한국과학기술연구원
IPC: C23C10/34
CPC classification number: C23C10/50 , C22C33/0242 , C22C38/06 , C22C38/18 , C23C10/40
Abstract: PURPOSE: A method and a system for coating metal corrosion preventing film on separator for MCFC using pack cementation are provided to easily control thickness of the metal corrosion preventing film and recycle the metal powder by separately supplying metal powder and metal halide powder and supplying high purity hydrogen. CONSTITUTION: In a system for coating a metal corrosion preventing film on stainless steel separator(10) for MCFC (molten carbonate fuel cell) using pack cementation, the system comprises reactor(7) in which metal powder(9) contacted separator for MCFC is installed; electric furnace(8) for heating the reactor; hydrogen storage tank(1) for supplying low purity hydrogen to the film separation unit; film separation unit(2) in which Pd series film(3) is coated to supply high purity hydrogen into the reactor; gas supply tube(11) connected to the inside of the reactor to supply high purity hydrogen into the reactor; and sublimator(5) which is positioned at the middle of hydrogen supply line on the outer part of the reactor, and in which metal halide(6) is contained, the system further comprises ball flow meter(4) for supplying the high purity hydrogen in a fixed flow rate, wherein the metal is aluminum or chromium, wherein the reactor is sealed by lid(13) and graphite gasket(14) so that external gas is not penetrated into the reactor, and wherein a space(12) is formed between the hydrogen supply tube and reactor so that hydrogen supplied is exhausted through the space.
Abstract translation: 目的：提供一种用于在MCFC隔膜上涂覆金属防腐膜的方法和系统，用于包装胶结，以容易地控制金属防腐膜的厚度，并通过分别供应金属粉末和金属卤化物粉末并提供高纯度来再循环金属粉末 氢。 构成：在使用包装胶结剂的用于MCFC（熔融碳酸盐燃料电池）的不锈钢隔板（10）上涂覆金属防腐蚀膜的系统包括反应器（7），其中用于MCFC的金属粉末（9）接触分离器是 安装; 用于加热反应器的电炉（8） 用于向薄膜分离单元供给低纯度氢的储氢罐（1）; 膜分离单元（2），其中涂覆Pd系膜（3）以向反应器中提供高纯度氢; 气体供应管（11）连接到反应器内部以将高纯度氢气供应到反应器中; 和升华器（5），其位于反应器外部的氢供应管线的中间，并且其中包含金属卤化物（6），该系统还包括用于提供高纯度氢气的球流量计（4） 以固定的流速，其中所述金属是铝或铬，其中所述反应器由盖（13）和石墨垫片（14）密封，使得外部气体不被穿入反应器中，并且其中形成空间（12） 在氢气供应管和反应器之间，使得供应的氢气通过空间排出。
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公开(公告)号：KR1020030047204A
公开(公告)日：2003-06-18
申请号：KR1020010077626
申请日：2001-12-08
IPC: H01M8/04
CPC classification number: H01M8/04303 , H01M8/04119 , H01M8/04223 , H01M8/04231 , H01M8/04302
Abstract: PURPOSE: A method for operating a polymer electrolyte fuel cell below the freezing point of water and its apparatus are provided, to prevent the deterioration of properties of a membrane-electrode assembly by inhibiting the freezing of water of the membrane-electrode assembly, thereby improving the stability of the fuel cell even at a temperature below the freezing point of water. CONSTITUTION: The method comprises the steps of flowing a dry gas for several seconds and charging a solution having a low freezing point into the anode of the fuel cell before the temperature drops below the freezing point water when the polymer electrolyte fuel cell is stopped after operation. Preferably the solution having a low freezing point is methanol, ethylene glycol, ethanol or butanol. The polymer electrolyte fuel cell is operated with flowing only dry gas when it is re-operated at a temperature below the freezing point of water and its is operated with flowing the moist gas normally when the temperature increases over the freezing point of water.
Abstract translation: 目的：提供一种低于水凝固点的聚合物电解质燃料电池及其装置的方法，通过抑制膜 - 电极组件的水冻结来防止膜 - 电极组件的性能劣化，从而改善 燃料电池的稳定性即使在低于水凝固点的温度下也是如此。 方案：该方法包括以下步骤：在固体高分子型燃料电池在操作后停止时，在温度降至冰点水以下之前，将干燥气体流动几秒，并将具有低凝固点的溶液装入燃料电池的阳极 。 优选地，具有低凝固点的溶液是甲醇，乙二醇，乙醇或丁醇。 当聚合物电解质燃料电池在低于水凝固点的温度下重新操作时，仅使干燥气体流动，并且当温度升高超过水的冰点时，通常使潮湿气体流动来操作。
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Patent Agency Ranking166.发明授权용융 탄산염 연료 전지(ＭＣＦＣ)용 Ｌｉ/Ｎａ 전해질그린 시트의 제조 방법 및 Ｌｉ/Ｎａ 전해질을 포함하는ＭＣＦＣ의 전처리 및 운전 방법 失效/ /用于熔融碳酸盐燃料电池的Li / Na电解质绿板的制造方法和包含Li / Na电解质的MCFC的预处理和操作方法
公开(公告)号：KR100348718B1
公开(公告)日：2002-08-14
申请号：KR1019990048478
申请日：1999-11-04
Applicant: 한국과학기술연구원
IPC: H01M8/14
CPC classification number: Y02E60/526
Abstract: 본발명은 Li/Na 탄산염혼합분말, 에탄올용매, 결합제, 가소제, 분산제및 소포제를포함하는분말슬러리를테이프캐스팅법으로성형하고건조시켜서용융탄산염연료전지 (molten carbonate fuel cell, 이하 MCFC)용전해질그린시트를제조하는방법에관한것이다. 또한, Li/Na 전해질을포함하는용융탄산염연료전지의전처리를포함한운전방법에관한것이다. 본발명의 Li/Na 전해질그린시트의제조방법에따르면, 용매로서에탄올을사용함으로써인체에유해한용매를사용하지않고도캐소드의용해속도를감소시키고, 증발에의한손실이적으며, 열팽창계수가작은동시에이온전도도가큰 양질의 Li/Na 전해질그린시트를제조할수 있다. 또한, 본발명의 Li/Na 전해질이포함된용융탄산염연료전지의운전방법에따라용융탄산염연료전지를전처리하고운전함으로써금속재료로만들어진집전판및 분리판의부식및 이에의한전해질소모와전지성능저하를방지할수 있고, Li/Na 전해질이가진고유의장점을모두이용할수 있다.
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公开(公告)号：KR100346016B1
公开(公告)日：2002-08-01
申请号：KR1019990049046
申请日：1999-11-06
Applicant: 한국과학기술연구원
IPC: F28D20/00
CPC classification number: Y02E60/142
Abstract: 축열보일러및 축열온풍기와같은축열식난방용전기기기와빙축열시스템과같은축열식냉방용전기기기등을하나의기기에장착하여시스템화함으로써기존의기기에비하여다양한용도와작은크기와그리고적은비용이드는다목적의잠열축열재를이용한냉난방겸용시스템에관한것이다.
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公开(公告)号：KR100303609B1
公开(公告)日：2001-11-02
申请号：KR1019980049137
申请日：1998-11-16
Applicant: 한국과학기술연구원
IPC: H01M4/48
Abstract: PURPOSE: Provided is a process for producing a LiCoO2 coated air-electrode for a molten carbonate fuel cell(MCFC), which can prevent NiO, being a main material of the air-electrode, from dissolving in an electrolyte, therefore, can produce the air-electrode having long lifetime than the conventional air-electrode for the MCFC. CONSTITUTION: The process for producing the LiCoO2 coated air-electrode for the MCFC comprises the steps of: dissolving lithium salts and cobalt salts in water; adding a chelate agent such as polyethylene glycol to the produced water solution to produce sol; soaking a NiO electrode for the MCFC in the produced sol and forming gel on the surface of pores of the electrode; drying and calcining the electrode. And another process for producing the LiCoO2 coated air-electrode for the MCFC comprises the steps of: dissolving the lithium salts and cobalt salts in a solvent; impregnating the pores of the NiO electrode with the solution; drying and calcining the electrode.
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公开(公告)号：KR1020010091642A
公开(公告)日：2001-10-23
申请号：KR1020000013526
申请日：2000-03-17
Applicant: 한국과학기술연구원
IPC: H01M8/10
CPC classification number: Y02P70/56
Abstract: PURPOSE: A method for manufacturing a composite polymer electrolyte membrane for a polymer electrolyte membrane fuel cell is provided to manufacture a composite polymer membrane which is thin, and has high ionic conductivity and physical strength by impregnating a porous membrane with polymer electrolyte resin in a form of perfluorosulfonyl halogen compound using various methods. CONSTITUTION: The method comprises the steps of impregnating an inert porous polymer membrane with a perfluorosulfonyl halogen compound resin; and converting the impregnated perfluorosulfonyl halogen compound into sulfuric acid by sequentially treating high temperature alkaline solution, sulfuric acid solution and ultra pure water on the coated polymer membrane, wherein the porous polymer membrane has a porosity of 30 to 90%, a pore size of 0.05 to 5.0 microns and a thickness of 10 to 150 microns, and is selected from the group consisting of porous polytetrafluoro-ethylene membrane, polypropylene membrane, polyethylene membrane and polyvinylidene fluoride membrane, wherein the impregnating step is carried out in a method selected from the group consisting of a spraying, painting, tape casting, screen painting, dipping, calendering and doctor blade method at a temperature of 230 to 320 deg.C, wherein the method further comprises the steps of coating an electrolyte film on the surface of the manufactured composite electrolyte membrane and heating the electrolyte film coated composite electrolyte membrane in ultra pure water or vapor having a temperature of 80 to 150 deg.C for 1 or more hours, and wherein the electrolyte film is selected from the group consisting of perfluorosulfonyl fluoride and a polymer material in which an alkali metal ion such as sodium or potassium is substituted for perfluorosulfonic acid, perfluorocarboxylic acid, polystyrene sulfonic acid, polystyrene carboxylic acid or a mixture thereof, the coated film has a thickness of 1 to 50 microns, and the method for additionally coating the film is performed by a method selected from the group consisting of spraying, painting, tape casting, screen painting and dipping.
Abstract translation: 目的：提供一种高分子电解质膜燃料电池用复合高分子电解质膜的制造方法，通过以聚合物电解质树脂浸渍多孔膜的方式制造薄型的复合聚合物膜，其离子传导性和物理强度高 的全氟磺酰卤化合物。 构成：该方法包括用全氟磺酰卤化合物树脂浸渍惰性多孔聚合物膜的步骤; 并通过在涂覆的聚合物膜上依次处理高温碱性溶液，硫酸溶液和超纯水将浸渍的全氟磺酰卤化合物转化成硫酸，其中多孔聚合物膜的孔隙率为30-90％，孔径为0.05 至5.0微米，厚度为10至150微米，并且选自多孔聚四氟乙烯膜，聚丙烯膜，聚乙烯膜和聚偏二氟乙烯膜，其中浸渍步骤以选自以下的方法进行： 包括在230〜320℃的温度下进行喷涂，喷漆，胶带浇铸，丝网喷涂，浸渍，压延和刮刀法，其中所述方法还包括以下步骤：在制造的复合材料的表面上涂覆电解质膜 电解质膜并用超纯水或电解质膜加热电解质膜复合电解质膜 蒸汽，其温度为80〜150℃，持续1小时以上，其中，电解质膜选自全氟磺酰氟和其中碱金属离子如钠或钾代替全氟磺酸的聚合物材料 酸，全氟羧酸，聚苯乙烯磺酸，聚苯乙烯羧酸或其混合物，涂膜的厚度为1〜50微米，另外涂膜的方法是通过选自喷雾， 绘画，磁带铸造，丝网画和浸渍。
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