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    • 3. 发明公开
    • 전극의 제조방법 및 이 방법으로 제조된 전극
    • 生产电极的方法及其生产的电极
    • KR1020020007582A
    • 2002-01-29
    • KR1020000040954
    • 2000-07-18
    • 현대자동차주식회사한국과학기술연구원
    • 이기춘임태원오인환하흥용최형준이정규홍성안임태훈남석우
    • H01M4/02
    • 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.
    • 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。
    • 4. 发明公开
    • 고분자 전해질 연료전지
    • 聚合物电解质燃料电池
    • KR1020010060112A
    • 2001-07-06
    • KR1019990068233
    • 1999-12-31
    • 현대자동차주식회사한국과학기술연구원
    • 임태원이기춘오인환하흥용최형준안상열홍성안임태훈남석우
    • H01M8/02
    • Y02P70/56
    • 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.
    • 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。
    • 5. 发明公开
    • 연료전지용 기능성 고분자 전해질막 및 그 제조방법
    • 用于燃料电池的功能电解质膜及其制造方法
    • KR1020040043877A
    • 2004-05-27
    • KR1020020072311
    • 2002-11-20
    • 현대자동차주식회사
    • 오인환조은애하흥용홍성안이용철안상열임태원이기춘이종현김수환
    • H01M8/02
    • Y02P70/56
    • 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.
    • 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。
    • 7. 发明公开
    • 물의 빙점 이하에서 고분자 전해질 연료전지의 운전방법및 장치
    • 聚合物电解质燃料电池下面的冷冻点的操作方法及其装置
    • KR1020030047204A
    • 2003-06-18
    • KR1020010077626
    • 2001-12-08
    • 현대자동차주식회사한국과학기술연구원
    • 오인환고재준하흥용홍성안임태원이기춘김수환이종현
    • H01M8/04
    • H01M8/04303H01M8/04119H01M8/04223H01M8/04231H01M8/04302
    • 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.
    • 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。
    • 8. 发明公开
    • 연료 전지 스택 체결방법
    • 燃料电池堆的接合方法,可以在中心作为外部接口进行接合
    • KR1020040086711A
    • 2004-10-12
    • KR1020030021068
    • 2003-04-03
    • 현대자동차주식회사
    • 오인환박세규신석재김영천조은애하흥용홍성안임태원이기춘김수환김영렬이종헌
    • H01M8/24
    • 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).
    • 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)。
    • 9. 发明公开
    • 고분자 전해질 연료전지 스택용 가습장치
    • 聚合物电解质燃料电池堆的湿度设备
    • KR1020030055606A
    • 2003-07-04
    • KR1020010085624
    • 2001-12-27
    • 현대자동차주식회사
    • 오인환신석재박세규하흥용홍성안임태원이기춘김수환이종현
    • H01M8/04
    • 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.
    • 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。
    • 10. 发明公开
    • 연료전지용 막-전극-가스켓 접합체의 제조방법
    • 用于燃料电池的电极 - 电极组件的制备方法
    • KR1020030055752A
    • 2003-07-04
    • KR1020010085826
    • 2001-12-27
    • 현대자동차주식회사
    • 오인환하흥용홍성안안상열이용철임태원이기춘김수환이종현
    • H01M8/02
    • H01M4/8828H01M4/881H01M8/0234H01M8/0245H01M8/0273H01M8/0284H01M8/0286H01M8/1011H01M8/1023H01M8/1039H01M8/1081Y02E60/523Y02P70/56
    • 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.
    • 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。