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公开(公告)号：KR1020020007582A
公开(公告)日：2002-01-29
申请号：KR1020000040954
申请日：2000-07-18
IPC: H01M4/02
Abstract: PURPOSE: Provided is a method for producing an electrode being excellent in a hydrogen ion transfer property and activity cell which includes applying a layer of carbon powder on a gas diffusion layer, applying a catalyst ink on the carbon layer to form a catalyst layer; and applying a solution of an ionomer on the catalyst layer. CONSTITUTION: The method comprises steps of (a) applying a layer of carbon powder(22) containing 10 to 50 wt% of polytetrafluoroethylene on a gas diffusion layer(21); (b) applying a catalyst ink on the carbon layer containing a polymer electrolyte ionomer, a catalyst and an organic solvent to form a catalyst layer(23); and (c) applying a solution of polymer electrolyte ionomer dispersed in a hydrophilic solvent on the catalyst layer to form an ionomer layer(24). By this method, an electrode being excellent in hydrogen ion transfer and its activity can be obtained with a small amount of catalyst.
Abstract translation: 目的：提供一种氢离子转移性和活性单元优异的电极的制造方法，其特征在于，在气体扩散层上涂布碳粉末，在碳层上涂布催化剂油墨，形成催化剂层; 并将离子交联聚合物溶液施加到催化剂层上。 方法：该方法包括以下步骤：（a）在气体扩散层（21）上涂覆含有10至50重量％的聚四氟乙烯的碳粉末层（22）; （b）在含有聚合物电解质离子交联聚合物，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）将分散在亲水溶剂中的聚合物电解质离子交联聚合物溶液施加到催化剂层上以形成离聚物层（24）。 通过这种方法，可以用少量的催化剂获得氢离子转移优异的电极及其活性。
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公开(公告)号：KR1020010060112A
公开(公告)日：2001-07-06
申请号：KR1019990068233
申请日：1999-12-31
IPC: H01M8/02
CPC classification number: Y02P70/56
Abstract: PURPOSE: A polymer electrolyte fuel cell is provided for manufacturing the high reliable unit cell or stack and accomplishing superior gas-sealing effect with no leak of gas by additionally attaching at least one specific gasket to the structure of the fuel cell. CONSTITUTION: The polymer electrolyte fuel cell comprises a plurality of unit cells laminated together and equipped with at least one gasket(2, 4) between a separator plate(1) and the electrolyte-electrolyte membrane assembly(3). The gasket has passages(6-21) for passing gas through at the center part, electrodes at its edge part and a rib having a width of 1-2mm and a thickness of 0.1-0.3mm around the peripheral side of the passage to seal gas stream. The rib(s) is(are) attached to one side or both sides of the gasket.
Abstract translation: 目的：提供一种高分子电解质燃料电池，用于制造高可靠性单元电池或叠层，并且通过向燃料电池的结构附加附加至少一个特定的垫圈来实现气体泄漏的优异的气体密封效果。 构成：聚合物电解质燃料电池包括层叠在一起并在隔板（1）和电解质电解质膜组件（3）之间配备有至少一个垫圈（2,4）的多个单元电池。 垫圈具有用于使气体在中心部分通过的通道（6-21），其边缘部分处的电极和在通道的周边周围具有1-2mm宽度和0.1-0.3mm的宽度的肋条以密封 气流。 （一个或多个）连接到垫片的一侧或两侧。
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公开(公告)号：KR100439814B1
公开(公告)日：2004-07-12
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: 본 발명은 물의 빙점 이하 온도에서 고분자 전해질 연료전지의 운전방법 및 장치에 관한 것으로서, 이 방법은 고분자 전해질 연료전지의 운전과 정지를 반복하는 기간 중 정지기간 동안 물의 빙점 이하 온도에서 보관하게 될 경우, 외부가습과 전기화학적 반응에 의해 생성된 연료전지 내의 물이 얼었다가 녹는 반복과정을 통해 연료전지의 구성요소인 막-전극 접합체(Membrance and Electrode Assembly)의 구조에 손상이 발생하여 성능이 저하되는데, 이때 고분자 전해질 연료전지의 온도가 물의 빙점 이하로 떨어지기 전에 어느점이 낮은 용액을 연료극(anode)에 충전시킴으로써, 막-전극 접합체 내의 물이 얼지 않게 하여 막-전극 접합체의 성능이 저하되는 것을 막고, 고분자 전해질 연료전지가 빙점 이하에서도 안정하게 보존되며, 재 운전시 성능저하를 막는 방� �을 제공하는 것이다.
Abstract translation: 提供一种在低于水的凝固点的温度下操作聚合物电解质膜燃料电池的方法及其设备，以防止膜电极组件的损坏和性能下降。 当聚合物电解质膜燃料电池的操作停止时，聚合物电解质膜燃料电池的温度低于水的冻结温度之前，未加湿的气体流动数秒。 同时，聚合物电解质膜燃料电池的阳极充满低凝固点的溶液，以防止聚合物电解质膜燃料电池的温度在冬季由于较低的环境温度而低于水的凝固点。 当聚合物电解质膜燃料电池重新启动时，电池性能不会降低，反映了本发明稳定地保存了燃料电池。
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公开(公告)号：KR100435323B1
公开(公告)日：2004-06-10
申请号：KR1020010078248
申请日：2001-12-11
IPC: H01M4/88
Abstract: 본 발명은 직접 도포식 자동 분사장치 및 이를 이용한 고효율 막-전극 접합체의 제조방법에 관한 것으로서, 더욱 상세하게는 자동 분사장치를 이용하여 빠른 시간내에 피도물인 연료전지용 전해질의 적정 조업 치수를 확보하고 도포된 층의 균열 방지와 점착성을 증진시키는 동시에 직접 분사방식에 적합한 분산액의 제조용 촉매와 고분자 이오노머 및 분산용매의 양에 대한 최적 비율을 제시하여 고효율을 나타내게 하는 직접 도포식 자동 분사장치 및 이를 이용하여 제조된 고효율 막-전극 접합체에 관한 것이다.
Abstract translation: 目的：提供一种直接涂布型自动喷雾装置，其使催化剂均匀分布并容易控制粒径和孔隙率，以及使用直接型自动喷雾装置（MEA）生产高效膜电极组件 。 本发明的直接式自动喷雾装置包括：自动喷枪（1），用于撒布分散液，可自动控制颗粒大小和喷雾量; 用于储存分散液的容器（2） 循环式泵（3）; 用于固定待涂覆催化剂层的材料的装置（4） 一个X-Y-Z轴自动齿条（5），用于自动控制X-Y-Z轴的移动位置和重复涂覆频率。 并且，MEA通过使用自动喷射装置将包含催化剂的分散液直接喷射到聚合物电解质，复合聚合物电解质或用于固体型燃料电池的电解质上而制得。
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公开(公告)号：KR1020030048490A
公开(公告)日：2003-06-25
申请号：KR1020010078248
申请日：2001-12-11
IPC: H01M4/88
Abstract: PURPOSE: Provided are a direct coating type automatic spray apparatus, which gives uniform distribution of a catalyst and controls particle size and porosity easily, and a process for producing a high efficient membrane-electrode assembly(MEA) by using the direct type automatic spray apparatus. CONSTITUTION: The direct type automatic spray apparatus comprises: an automatic gun sprayer(1) for spreading a dispersion solution, which can control particle size and the spray amount automatically; a container(2) for storing the dispersion solution; a circulation type pump(3); a device(4) for fixing a material to be coated with a catalyst layer; an automatic rack(5) of X-Y-Z axes, which controls the moving position and repeated coating frequency of the X-Y-Z axes automatically. And the MEA is produced by spraying the dispersion solution containing a catalyst directly on a polymer electrolyte, a composite polymer electrolyte, or an electrolyte for a solid type fuel cell by using the automatic spray apparatus.
Abstract translation: 目的：提供一种直接涂布型自动喷雾装置，其能够均匀分布催化剂并容易控制颗粒尺寸和孔隙，以及通过使用直接型自动喷雾装置制造高效膜电极组件（MEA）的方法 。 构成：直接式自动喷雾装置包括：自动喷枪（1），用于扩散分散液，可自动控制粒径和喷雾量; 用于储存分散液的容器（2）; 循环式泵（3）; 用于固定待涂覆材料的催化剂层的装置（4）; X-Y-Z轴的自动机架（5），可自动控制X-Y-Z轴的移动位置和反复涂覆频率。 并且通过使用自动喷雾装置将含有催化剂的分散溶液直接喷涂在聚合物电解质，复合聚合物电解质或固体型燃料电池用电解液上来制造MEA。
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Patent Agency Ranking
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：KR1020020055963A
公开(公告)日：2002-07-10
申请号：KR1020000085240
申请日：2000-12-29
IPC: H01M2/12
CPC classification number: H01M8/04007 , H01M8/04126
Abstract: PURPOSE: Provided is a humidifier which can reduce energy and volume necessary for humidification in gas supply for operating a polymer electrolyte fuel cell, and maintain humidity and temperature of reacting gas supplied to the fuel cell at optimum level. CONSTITUTION: The gas supply for operating a polymer electrolyte fuel cell consists of a gas inlet pipe; a flow controller; a gas feed pipe; a back pressure controller; a coolant controller; and a temperature controller of fuel cell. The humidifier comprises a humidifier container(20) connected to the gas feed pipe, water feed pipe(30), and fuel cell feed pipe(42); and an atomizer(26) for finely atomizing a gas(supplied by the gas feed pipe) and water(supplied by the water feed pipe(30)). The humidifier container(20) has double path(22), in which hot fuel cell coolant flows to heat water passing through the water feed pipe(30).
Abstract translation: 目的：提供一种加湿器，其可以降低用于操作聚合物电解质燃料电池的气体供给中的加湿所需的能量和体积，并且将供应到燃料电池的反应气体的湿度和温度保持在最佳水平。 构成：用于操作聚合物电解质燃料电池的气体供应包括进气管; 流量控制器 供气管; 背压控制器 冷却液控制器 和燃料电池的温度控制器。 加湿器包括连接到气体供给管，给水管（30）和燃料电池供给管（42）的加湿器容器（20）。 以及用于使气体（由气体供给管供给）和水（由供水管（30）供给）进行精细雾化的雾化器（26）。 加湿器容器（20）具有双路径（22），其中热燃料电池冷却剂流动以加热通过给水管（30）的水。
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公开(公告)号：KR1020020007581A
公开(公告)日：2002-01-29
申请号：KR1020000040953
申请日：2000-07-18
IPC: H01M8/10
Abstract: PURPOSE: Provided is a method for producing a polymer fuel cell containing an electrolyte membrane having superior properties and a large surface area by an ion aid reaction method. CONSTITUTION: The method includes (a) irradiating an ion beam having an energy of 0.1 to 2.0 keV at 1 x 10¬13 to 1 x 10¬19 ions/cm¬2 to a polymer electrolyte membrane(11) to form concavo-convex on the surface of the polymer electrolyte membrane; (b) preparing a catalytic slurry in the presence of a solvent and a thickener; (c) coating the catalyst on both sides of the polymer electrolyte membrane to an anode electrode(12) and a cathode electrode(13); and (d) disposing a diffusion layer(14) made of carbon fibers to the outside of the produced electrodes(12,13).
Abstract translation: 目的：提供一种含有电解质膜的高分子型燃料电池的制造方法，该电解质膜通过离子辅助反应法具有优异的性能和较大的表面积。 方案：该方法包括（a）将具有0.1至2.0keV的能量的离子束以1×10 13至1×10 19离子/ cm 2照射到聚合物电解质膜（11）上以形成凹凸 在聚合物电解质膜的表面上; （b）在溶剂和增稠剂的存在下制备催化浆料; （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; 和（d）将由碳纤维制成的扩散层（14）设置到所制作的电极（12,13）的外部。
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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：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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