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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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公开(公告)号：KR1020010038319A
公开(公告)日：2001-05-15
申请号：KR1019990046260
申请日：1999-10-25
Applicant: 한국과학기술연구원
IPC: H01M4/46
Abstract: PURPOSE: An alloy anode for a molten carbonate fuel cell and a method for manufacturing the same are provided which not only restrains sintering and creeping occurred when running the molten carbonate fuel cell but also does not change the pore distribution inside the electrode by firing through a partial oxidation-reduction process or a partial oxidation process. CONSTITUTION: The method for manufacturing molten carbonate fuel cell comprises the steps of manufacturing a slurry by mixing Ni-Al alloy powder with a dispersant and second ball milling the mixture after mixing a binder, a plasticizer, an antifoaming agent and a solvent and first ball milling the mixture; degassing the slurry; manufacturing a green sheet by molding the degassed slurry in the tape casting process; and firing the manufactured green sheet under the partial oxidation environment, wherein the method further comprises the step of firing the green sheet under the reduction environment after the firing step under the partial oxidation environment.
Abstract translation: 目的：提供了一种用于熔融碳酸盐燃料电池的合金阳极及其制造方法，其不仅限制了在运行熔融碳酸盐燃料电池时发生烧结和蠕变，而且也不会通过烧制而改变电极内的孔分布 部分氧化还原法或部分氧化法。 构成：制造熔融碳酸盐燃料电池的方法包括以下步骤：通过将Ni-Al合金粉末与分散剂混合制造浆料，并在混合粘合剂，增塑剂，消泡剂和溶剂之后进行第二次球磨，并将第一球 研磨混合物; 使浆料脱气; 通过在带铸工艺中模制脱气浆料来制造生片; 以及在部分氧化环境下焙烧所生产的生片，其中所述方法还包括在部分氧化环境下在烧制步骤之后在还原环境下焙烧生片的步骤。
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Patent Agency Ranking
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公开(公告)号：KR1020150080687A
公开(公告)日：2015-07-10
申请号：KR1020140000082
申请日：2014-01-02
Applicant: 한국과학기술연구원
CPC classification number: C22B26/20 , C01D7/07 , C01D7/12 , C01F11/181 , C01P2002/72 , C01P2004/03 , C01P2004/10 , C01P2004/38 , C01P2004/39 , C01P2004/62 , C01P2006/80 , C22B7/007 , C25B1/20 , C25B1/22 , C25B9/08 , C25B15/08 , C01D7/26 , B01J19/24 , C25B1/16 , C25B1/26
Abstract: 본발명은알칼리이온함유무기물로부터무기탄산염을제조하는방법에관한것으로서, 더욱상세하게는알칼리이온을함유하고있는무기물로부터알칼리이온을용출하고, 용출된알칼리이온을탄산염으로전환시켜수득하는공정으로이루어지되, 상기한알칼리이온의용출및 탄산염으로전환하는과정에이용되는용출제와급속침전제를동시에생성시키는전기분해시스템이도입된무기탄산염의개선된제조방법에관한것이다.
Abstract translation: 本发明涉及一种由含有碱离子的无机物构成的无机碳酸盐的制造方法，更具体而言，涉及一种利用电解系统诱导的无机碳酸盐的改进制造方法，该方法包括： 包含碱离子的无机物质，将得到的喷出的碱离子转化为碳酸盐，同时生成洗脱剂和快速沉淀剂，其用于碱析离子的转化和转化为碳酸盐。
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公开(公告)号：KR101335463B1
公开(公告)日：2013-11-29
申请号：KR1020110127262
申请日：2011-11-30
Applicant: 한국과학기술연구원
Abstract: 전극 처리 방법 및 이에 따라 제조된 전극, 이를 포함하는 막전극접합체 및 전기화학장치가 제공된다. 상기 전극 처리 방법은, 촉매층 및 촉매층을 바인딩하는 고분자 물질을 포함하여 형성된 전극을 처리하는 방법으로서, 건조된 상태의 전극의 고분자 물질을 플라즈마 이온 식각법을 이용하여 일부를 제거하는 것이다. 이에 따라 촉매층의 기공 크기와 기공율을 용이하게 증가시킬 수 있고, 이에 따라 반응물과 생성물의 물질전달 저항을 감소시켜 연료전지와 같은 전기화학장치의 성능을 향상시킬 수 있다.
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69.发明公开
公开(公告)号：KR1020110048313A
公开(公告)日：2011-05-11
申请号：KR1020090105064
申请日：2009-11-02
Applicant: 한국과학기술연구원
Abstract: PURPOSE: Components of a fuel cell for in-situ NMR analysis are provided to facilitate the supply of reactants and the removal of products, to prevent water leakage and liquid leakage, and to achieve high performance through uniform pressure distribution of a membrane electrode assembly. CONSTITUTION: Components of a fuel cell for in-situ NMR analysis are a flow path member for a fuel cell installed in a toroid cavity detector for in-situ NMR analysis. The flow path member includes an inside member(70) having an openable channel and an outside housing(80) for sealing the openable channel. At least one of inlet hole and outlet hole for the air or oxygen is respectively formed in the outside housing. The flow path member comprises a fastening unit.
Abstract translation: 目的：提供用于原位NMR分析的燃料电池的组件，以便于反应物的供应和产物的去除，以防止漏水和液体泄漏，并通过膜电极组件的均匀压力分布实现高性能。 构成：用于原位NMR分析的燃料电池的组件是安装在用于原位NMR分析的环形腔检测器中的燃料电池的流路构件。 流路构件包括具有可开启通道的内部构件（70）和用于密封可开启通道的外部壳体（80）。 在外壳中分别形成有用于空气或氧气的入口孔和出口孔中的至少一个。 流路构件包括紧固单元。
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公开(公告)号：KR100987096B1
公开(公告)日：2010-10-11
申请号：KR1020080023482
申请日：2008-03-13
Applicant: 한국과학기술연구원
IPC: H01M8/02
CPC classification number: Y02P70/56
Abstract: 본 발명에서는 산과 골로 구성되는 유로를 가지는 연료전지의 분리판으로서, 상기 유로의 산에 도랑 형상의 홈이 하나 이상 형성된 연료전지용 분리판 및 이를 이용한 연료전지를 제공한다. 위와 같이 분리판 유로의 산 부분에 도랑 형상의 홈을 형성하는 것에 의하면 전체적인 연료 및 생성물의 흐름 특성(유동 특성)을 유지하면서도 연료와 전극 간의 접촉면적을 증가시켜 물질전달 증가와 이로 인한 연료 전지 성능 향상을 이룰 수 있다.
연료전지, 분리판, 산, 골, 도랑, 접촉면적, 물질전달
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