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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：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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公开(公告)号：KR1020010045679A
公开(公告)日：2001-06-05
申请号：KR1019990049046
申请日：1999-11-06
Applicant: 한국과학기술연구원
IPC: F28D20/00
CPC classification number: Y02E60/142
Abstract: PURPOSE: A thermal storage type cooling/heating system is provided, in which a thermal heating electric device and a thermal cooling electric device are incorporated into a single unit, to thereby reduce size, weight and installation cost of the system. CONSTITUTION: A system comprises a thermal storage(2) having thermal storage containers for cooling and heating operations, respectively, and a brine outlet port(13), a brine return port(12) and a refrigerant coil(11); a cooling unit(1) connected to the refrigerant coil and which cools the refrigerant circulating through the refrigerant coil; a brine circulation pump(3); a brine heater(4) for heating the brine flowing along the second circulation pipe; first and second brine circulation pipes(14,15); a bypass pipe(16) having both ends connected to the second circulation pipe so as to bypass the brine flowing along the second circulation pipe; a heat exchanger(5) installed at the bypass pipe; control valves(6,7,8); and a control unit(9). The first circulation pipe connects the brine output port of the thermal storage and the inlet port of the brine circulation pump, and the second circulation pipe connects the brine return port of the thermal storage and the outlet port of the brine circulation pump. The control unit controls the cooling unit, brine heater, brine circulation pipe, heat exchanger and the control valve in such a manner that the circulation pump, heater and cooling unit are selectively operated during the time where electric power consumption is low so as to store heat or cold heat into the thermal storage. Thus-stored heat or cold heat is used during the time where electric power consumption is high.
Abstract translation: 目的：提供一种热存储式冷却/加热系统，其中将热加热电气装置和热冷却电气装置并入单个单元中，从而减小系统的尺寸，重量和安装成本。 构成：系统包括分别具有用于冷却和加热操作的热存储容器的热存储器（2）和盐水出口（13），盐水返回端口（12）和制冷剂盘管（11）; 冷却单元（1），其连接到所述制冷剂线圈并且冷却通过所述制冷剂线圈循环的制冷剂; 盐水循环泵（3）; 用于加热沿着第二循环管流动的盐水的盐水加热器（4） 第一和第二盐水循环管（14,15）; 旁通管（16），其两端连接到第二循环管，以绕过沿着第二循环管流动的盐水; 安装在旁通管上的热交换器（5）; 控制阀（6,7,8）; 和控制单元（9）。 第一循环管连接储热器的盐水输出口和盐水循环泵的入口，第二循环管连接储热器的盐水返回口和盐水循环泵的出口。 控制单元以这样的方式控制冷却单元，盐水加热器，盐水循环管，热交换器和控制阀，使得循环泵，加热器和冷却单元在电力消耗低的时候选择性地运行，以便存储 热或冷热进入热存储。 在电力消耗高的时间内使用如此储存的热或冷热。
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Patent Agency Ranking
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公开(公告)号：KR1019930009901B1
公开(公告)日：1993-10-13
申请号：KR1019900005915
申请日：1990-04-26
Applicant: 한국과학기술연구원
IPC: C09K5/00
Abstract: The latent heat storage material has characteristically high water- absorptive polymer added to water. The water-absorptive polymer is one crosslinked compound selected from starch- polyacrylic acid salt system, carboxymethyl cellulose system, polyacrylic acid salt system, isobutylene-maleic acid copolymer, or polyethylene oxide system. The latent heat storage material of this invention can improve the heat efficiency by suppressing supercooling of water which occurs in the pure water and gives no phase separation. And the buffing effect of polymer of the heat storage material can prevent the volume increase when water changes into ice.
Abstract translation: 潜热储存材料具有特征性的高吸水性聚合物添加到水中。 吸水性聚合物是选自淀粉 - 聚丙烯酸盐体系，羧甲基纤维素体系，聚丙烯酸盐体系，异丁烯 - 马来酸共聚物或聚环氧乙烷体系的一种交联化合物。 本发明的潜热蓄热材料可以通过抑制在纯水中发生的水的过冷而不产生相分离来提高热效率。 蓄热材料的聚合物的抛光效果可以防止水变为冰时的体积增加。
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公开(公告)号：KR100380049B1
公开(公告)日：2003-04-14
申请号：KR1020000040954
申请日：2000-07-18
IPC: H01M4/02
Abstract: 본 발명은 전극의 제조방법 및 이 방법으로 제조된 전극에 관한 것으로서, 기체 확산층 상부에 탄소 분말층을 도포시키는 단계, 촉매 잉크를 상기 탄소층 상부에 도포시켜 촉매층을 형성시키는 단계 및 상기 촉매층 상부에 이오노머 용액을 도포시키는 단계를 포함하는 방법으로 소량의 촉매로 수소 이온 전달 및 활성이 우수한 전극을 제조할 수 있다.
Abstract translation: 目的：提供一种制备氢离子转移性能优异的电极和活性电池的方法，该方法包括在气体扩散层上施加一层碳粉，在该碳层上施加催化剂油墨以形成催化剂层; 并在催化剂层上施加离聚物溶液。 构成：该方法包括以下步骤：（a）在气体扩散层（21）上涂覆含有10-50wt％聚四氟乙烯的碳粉层（22）; （b）在含有聚合物电解质离聚物，催化剂和有机溶剂的碳层上施加催化剂油墨以形成催化剂层（23）; 和（c）将分散在亲水性溶剂中的聚合物电解质离聚物溶液施加到催化剂层上以形成离聚物层（24）。 通过该方法，可以用少量的催化剂获得氢离子转移及其活性优异的电极。
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公开(公告)号：KR100352562B1
公开(公告)日：2002-09-12
申请号：KR1020000015414
申请日：2000-03-27
Applicant: 한국과학기술연구원
IPC: H01M8/24
Abstract: 본 발명은 플라즈마 스퍼터링법을 이용하는 직접 메탄올 연료전지 또는 고분자 연료전지용 전해질막-전극 어셈블리의 제조 방법에 있어서, 탄소 분말과 고분자 이오노머 용액을 혼합하여 제조한 잉크를 전해질막의 양쪽 표면에 코팅하여 탄소-이오노머층을 형성한 다음, 상기의 탄소-이오노머층이 코팅된 전해질막을 플라즈마 스퍼터링 반응기에 장착하여 애노드 및 캐소드의 촉매로 사용되는 단성분계 또는 다성분계의 금속 촉매 물질을 증착시켜 상기 전해질막의 탄소-이오노머층 위에 촉매층을 형성하고, 상기의 탄소-이오노머층 형성 및 금속 촉매 물질의 스퍼터링 증착과정을 반복하여 전해질막의 양쪽 면에 다층의 탄소-이오노머층과 촉매층을 형성하는 것을 포함하는, 직접 메탄올 연료전지 또는 고분자 연료전지용 전해질막-전극 어셈블리의 � �조 방법에 관한 것이다. 본 발명의 방법에 의해 전극에서 반응물과 생성물의 물질 전달 저항을 감소시킴으로써 성능 향상이 가능해지고, 또한 단위 면적당 촉매 담지량을 증가시켜 연료전지 성능을 높일 수 있다.
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