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公开(公告)号：KR100482585B1
公开(公告)日：2005-04-14
申请号：KR1020020074856
申请日：2002-11-28
Applicant: 현대자동차주식회사
IPC: H01M8/02
CPC classification number: Y02P70/56
Abstract: 본 발명은 전도성 고분자 또는 탄소에 고분자 물질을 첨가한 형태인 탄소 복합체를 주 재질로 하여 분리판을 제조함으로써, 경량화 및 박막화가 가능하고, 부식을 방지할 수 있으며, 나아가 간단한 제조공정으로 제조단가를 저감시킬 수 있는, 전도성 고분자 또는 탄소 복합체 재질의 고분자 전해질 연료 전지용 분리판 제조방법에 관한 것으로,
본 발명에 의한 고분자 전해질 연료 전지용 분리판은, 전도성 고분자 또는 탄소 복합체를 주 재질로 하여 제조되는 고분자 전해질 연료 전지용 분리판으로, 상기 전도성 고분자는 폴리아닐린, 폴리페닐렌, 폴리치에닐렌 비닐렌, 폴리피롤, 폴리페닐렌 비닐렌, 및 폴리아세틸렌로 구성되는 군으로부터 하나 이상 선택된 것이고, 상기 탄소 복합체는 탄소에 페놀수지, 비닐 에스터수지, 에폭시수지, 강화 폴리에스터수지, 및 폴리이미드 수지로 구성되는 고분자 물질군으로부터 하나 이상을 선택하여 첨가시킨 것임을 특징으로 한다.-
公开(公告)号：KR100448168B1
公开(公告)日：2004-09-10
申请号：KR1020010085826
申请日：2001-12-27
Applicant: 현대자동차주식회사
IPC: H01M8/02
CPC classification number: H01M4/8828 , H01M4/881 , H01M8/0234 , H01M8/0245 , H01M8/0273 , H01M8/0284 , H01M8/0286 , H01M8/1011 , H01M8/1023 , H01M8/1039 , H01M8/1081 , Y02E60/523 , Y02P70/56
Abstract: 본 발명은 고분자 전해질 연료전지에 사용되는 막-전극-가스켓 접합체(Membrane-Electrode-Gasket Assembly, MEGA)의 제조방법에 관한 것으로서, 더욱 상세하게는 가스켓과 일체화된 막-전극 접합체(Membrane-Electrode Assembly, MEA)로써 취급이 용이하며, 전극 위에 직접 전해질막을 형성시킴으로써 기존의 상용 전해질막보다 막의 두께를 얇게 하는 것이 가능하게 되어 연료전지의 성능을 향상시킬 수 있고, 또한 일련의 공정으로 제작할 수 있어서 대량생산에 유리한 연료전지용 고성능 막-전극-가스켓 접합체(Membrane-Electrode-Gasket Assembly, MEGA)의 제조 방법에 관한 것이다.
Abstract translation: 描述了用于聚合物电解质燃料电池（PEFC）的膜电极 - 垫片组件（MEGA）的制造方法，其中聚合物电解质膜直接形成在电极上。 一个典型的PEFC是通过组装膜电极组件（MEA），垫片和分离器构建的。 根据本发明的方法，PEFC通过组装分离器和MEGA制造，MEA和垫圈集成在其中。 与常规的MEA-垫片组件相比，MEGA易于处理，并且可以通过一系列的制造工艺批量生产。 此外，由于MEGA的膜厚比常规MEA-垫片组件的膜厚度更低，因此采用MEGA改善PEFC性能。
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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：KR1020040086711A
公开(公告)日：2004-10-12
申请号：KR1020030021068
申请日：2003-04-03
Applicant: 현대자동차주식회사
IPC: H01M8/24
Abstract: PURPOSE: A joining method of a fuel cell stack is provided, which can perform the joining in the center as well as the outside, therefore disperses excessive force to the outside equally, prevents a channel plate and a header from being bended, and reduces a contact resistance between an electrolyte-electrode assembly and the channel plate. CONSTITUTION: The joining method of the fuel cell stack is performed by forming sections(18), on which gas channels(12) are not formed, in the center or the outside of the channel plate; forming a central joining hole(15) and a plurality of outside joining holes(14) in the sections(18) to insert joining sticks(17) therein; inserting the joining sticks(17); and then fastening by headers on the both sides of the stack. Manifolds(13) for gas or liquid are formed between the outside joining holes(14).
Abstract translation: 目的：提供燃料电池堆的接合方法，其可以在中心和外部进行接合，从而将过大的力分散到外部，防止通道板和集管弯曲，并减少 电解质电极组件和通道板之间的接触电阻。 构成：燃料电池堆的接合方法是通过在通道板的中心或外侧形成在其上未形成气体通道（12）的部分（18）; 在所述部分（18）中形成中心连接孔（15）和多个外部接合孔（14），以将接合棒（17）插入其中; 插入接合棒（17）; 然后通过在堆叠的两侧的头部紧固。 在外部连接孔（14）之间形成用于气体或液体的歧管（13）。
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Patent Agency Ranking
公开(公告)号：KR1020030055606A
公开(公告)日：2003-07-04
申请号：KR1020010085624
申请日：2001-12-27
Applicant: 현대자동차주식회사
IPC: H01M8/04
Abstract: PURPOSE: A humidification apparatus for polymer electrolyte fuel cell stack is provided, to enable the humidification amount to be controlled for saving the wave required for humidification by employing a multiple spraying method and to save the additional energy required for maintaining the temperature of a humidifier by employing a dual path where the cooling water of a high temperature passes. CONSTITUTION: The humidification apparatus is such that the reaction gas is supplied through a gas introduction pipe(11), its flux is controlled by a flux control system(12), the moisture is supplied to the reaction gas by a humidifier(13), and the humidified reaction gas is supplied into a fuel cell(15) through a gas supply pipe(14); and the exhaust gas exhausted from the inside of the fuel cell after the reaction is exhausted through a back pressure control system(17) controlling the operation pressure inside of the fuel cell(15) through a gas exhaust pipe(16). The humidification apparatus comprises a humidifier container where a front reaction gas supply pipe(18) where a gas is supplied from a gas supply device and a water supply pipe are connected with a rear reaction gas supply pipe(14) supplying the reaction gas into a fuel cell(15); and a spray device for finely spraying the gas supplied through the reaction gas supply pipe(18) and the water supplied through the water pipe.
Abstract translation: 目的：提供一种用于聚合物电解质燃料电池堆的加湿装置，以便通过采用多次喷射方法来控制加湿量以节省加湿所需的波浪，并且通过以下方式节省了用于维持加湿器温度所需的附加能量 采用高温冷却水通过的双路径。 构成：加湿装置使得反应气体通过气体导入管（11）供给，其通量由助熔剂控制系统（12）控制，通过加湿器（13）将水分供给到反应气体中， 所述加湿反应气体通过供气管路（14）供给到燃料电池（15）中。 从反应后的燃料电池内部排出的排气通过排气管（16）通过背压控制系统（17）排出，背压控制系统（17）通过排气管（16）控制燃料电池（15）内的运转压力。 加湿装置包括：加湿器容器，其中从气体供应装置和供水管供给气体的前反应气体供给管（18）与将反应气体供给到反应气体的后反应气体供给管（14）连接， 燃料电池（15）; 以及用于对通过反应气体供给管（18）供给的气体和通过水管供给的水进行细微喷雾的喷雾装置。
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公开(公告)号：KR1020030055752A
公开(公告)日：2003-07-04
申请号：KR1020010085826
申请日：2001-12-27
Applicant: 현대자동차주식회사
IPC: H01M8/02
CPC classification number: H01M4/8828 , H01M4/881 , H01M8/0234 , H01M8/0245 , H01M8/0273 , H01M8/0284 , H01M8/0286 , H01M8/1011 , H01M8/1023 , H01M8/1039 , H01M8/1081 , Y02E60/523 , Y02P70/56
Abstract: PURPOSE: A method for preparing a membrane-electrode-gasket assembly (MEGA) for a fuel cell and a solid polymer electrode fuel cell(SPEFC) or a direct methanol fuel cell(DMFC) containing the MEGA prepared by the method are provided, to reduce the thickness of an electrolyte membrane for improving the performance of a fuel cell. CONSTITUTION: The method comprises the steps of adhering a polytetrafluoroethylene gasket(2) with a thickness of 30-400 micrometers on the edge of a gas diffusion layer(1); coating a carbon powder layer(3) containing 10-60 wt% of polytetrafluoroethylene on the other part except the adhered gasket of a gas diffusion layer; coating a catalyst ink comprising a polymer electrolyte ionomer, a catalyst and an organic solvent, on the carbon powder layer to form a cathode catalyst layer(4); coating a solid electrolyte ionomer solution on the catalyst layer to form an electrolyte layer(5); coating a catalyst ink comprising a polymer electrolyte ionomer, a catalyst and an organic solvent, on the carbon powder layer to form an anode catalyst layer(4); coating a carbon powder layer(3) containing 10-60 wt% of polytetrafluoroethylene on the anode catalyst layer; and adhering a gas diffusion layer(1) on the carbon powder layer formed on the anode catalyst layer.
Abstract translation: 目的：提供一种制备用于燃料电池和固体聚合物电极燃料电池（SPEFC）或含有通过该方法制备的MEGA的直接甲醇燃料电池（DMFC）的膜 - 电极 - 垫圈组件（MEGA）的方法， 减小电解质膜的厚度以改善燃料电池的性能。 构成：该方法包括在气体扩散层（1）的边缘上粘合厚度为30-400微米的聚四氟乙烯垫片（2）的步骤; 在除了气体扩散层的粘合垫片之外的另一部分上涂覆含有10-60重量％聚四氟乙烯的碳粉末层（3）; 在碳粉末层上涂覆包含聚合物电解质离子交联聚合物，催化剂和有机溶剂的催化剂油墨以形成阴极催化剂层（4）; 在催化剂层上涂布固体电解质离聚物溶液以形成电解质层（5）; 在碳粉末层上涂覆包含聚合物电解质离聚物，催化剂和有机溶剂的催化剂油墨以形成阳极催化剂层（4）; 在阳极催化剂层上涂覆含有10-60重量％聚四氟乙烯的碳粉末层（3）; 并将气体扩散层（1）粘附在形成在阳极催化剂层上的碳粉末层上。
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公开(公告)号：KR1020040043877A
公开(公告)日：2004-05-27
申请号：KR1020020072311
申请日：2002-11-20
Applicant: 현대자동차주식회사
IPC: H01M8/02
CPC classification number: Y02P70/56
Abstract: PURPOSE: Provided is a functional electrolyte membrane for a fuel cell, which is controllable n terms of a membrane thickness, is manufactured by a simple process, and has improved performance. CONSTITUTION: The functional polymer electrolyte membrane(1) is manufactured by adding, to a polymer electrolyte ionomer solution, a carrier having a large specific surface area or a catalyst used for electrochemical reactions in a polymer electrolyte fuel cell, as functional additives(2,3) which permit self-moistening or protect methanol crossover. In the functional polymer electrolyte membrane, the carrier is microparticles(2) or microfibers(3) comprising platinum, palladium, silica, alumina, titania or fluorine, and the catalyst comprises at least one component selected from the group consisting of platinum and ruthenium.
Abstract translation: 目的：提供一种用于燃料电池的功能性电解质膜，其可通过膜厚度控制，通过简单的工艺制造，并且具有改进的性能。 构成：功能性高分子电解质膜（1）通过在高分子电解质离聚物溶液中添加具有大比表面积的载体或在聚合物电解质燃料电池中用于电化学反应的催化剂作为功能添加剂（2， 3）允许自我润湿或保护甲醇交叉。 在功能聚合物电解质膜中，载体是包含铂，钯，二氧化硅，氧化铝，二氧化钛或氟的微粒（2）或微纤维（3），并且该催化剂包含选自铂和钌中的至少一种成分。
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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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