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公开(公告)号：KR1020110058600A
公开(公告)日：2011-06-01
申请号：KR1020090115450
申请日：2009-11-26
Applicant: 현대자동차주식회사
Abstract: PURPOSE: A stack safety control apparatus and method for fuel cell vehicles are provided to lower the voltage of a stack by diluting residual fuel within a stack and a pipe using inactivated fluid without the application of separate resistance and current. CONSTITUTION: A stack safety control apparatus for fuel cell vehicles comprises: a fluid storage unit(10) in which inactivated fluid is filled and supplied to a stack(50); a first switching valve(20) which is installed in a first fluid feed pipe(11) connecting the fluid storage unit and an hydrogen inlet(52) of the stack and opens and closes the flow of the inactivated fluid; and a control unit(30) which discharges the gas diluted by flowing in the inactivated fluid to the stack through the opening the first switching valve.
Abstract translation: 目的：提供一种用于燃料电池车辆的堆叠安全控制装置和方法，通过在不使用单独的电阻和电流的情况下通过使用灭活的流体稀释堆叠和管道中的残余燃料来降低堆叠的电压。 构成：燃料电池车辆的堆叠安全控制装置包括：流体存储单元（10），其中将灭活的流体填充并供应到堆叠（50）; 第一切换阀（20），其安装在连接所述流体存储单元和所述堆叠的氢气入口（52）的第一流体供给管（11）中并打开和关闭所述失活流体的流动; 以及控制单元（30），其通过所述第一切换阀的开口将通过在所述失活流体中流动而稀释的气体排出到所述堆叠。
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公开(公告)号：KR1020110053855A
公开(公告)日：2011-05-24
申请号：KR1020090110543
申请日：2009-11-16
Applicant: 현대자동차주식회사
CPC classification number: H01M8/04671 , H01M8/04253 , H01M8/04552 , H01M8/04955 , H01M2250/20 , Y02T90/32
Abstract: PURPOSE: A method for detecting the ice blocking of a fuel cell stack is provided to detect the ice blocking on the surface of an electrode in a real time by analyzing a minimum cell voltage of the fuel cell stack and to distinguish the ice blocking of a cathode and the ice blocking of an anode. CONSTITUTION: A method for detecting the ice blocking of a fuel cell stack comprises the steps of: (i) periodically calculating a minimum cell voltage of a fuel cell stack from a cell voltage measured value of a cell voltage monitoring device in the state where a reaction gas is supplied to the fuel cell stack; (ii) calculating the variation of the minimum cell voltage using the present value of the calculated minimum cell voltage and the previous value of the minimum cell voltage; (iii) determining whether the variation of the minimum cell voltage is a set standard value or greater; and (iv) if the variation of the minimum cell voltage is a set standard value or greater, determining that the ice blocking is generated in an anode of a fuel cell stack.
Abstract translation: 目的：提供一种用于检测燃料电池堆的冰块阻挡的方法，用于通过分析燃料电池堆的最小电池电压来实时检测电极表面上的冰块，并区分一个 阴极和阳极的阻冰。 构成：用于检测燃料电池堆的阻冰的方法包括以下步骤：（i）在电池电压监测装置的电池电压测量值中周期性地计算燃料电池堆的最小电池电压， 反应气体被供应到燃料电池堆; （ii）使用所计算的最小电池电压的当前值和最小电池电压的先前值来计算最小电池电压的变化; （iii）确定最小电池电压的变化是否是设定的标准值或更大; 和（iv）如果最小电池电压的变化是设定的标准值或更大，则确定在燃料电池堆的阳极中产生冰块。
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公开(公告)号：KR1020110032666A
公开(公告)日：2011-03-30
申请号：KR1020090090271
申请日：2009-09-23
Applicant: 현대자동차주식회사
IPC: H01M8/04
Abstract: PURPOSE: A method for controlling a fuel cell system is provided to improve cold starting-up of vehicles by increasing the temperature of a stack to a predetermined value or more without the change of the configuration of a system and a stack. CONSTITUTION: A method for controlling a fuel cell system comprises the steps of: (S1) if a staring key is operated, determining whether a cold starting condition is right or not; (S2) if a cold starting condition is right, a first flow path for air supply and a second flow path for air discharge are closed, a third flow path connecting the second flow path and the stack is opened, the fuel is supplied to the stack; (S3); opening the first flow path and the second flow path, and supplying the air to the stack; (S4) determining whether the temperature of the stack is the predetermined value or greater or not; and (S5) if the temperature of the stack is the predetermined value or greater, performing the normal operation of a fuel cell system by supplying the fuel and air to the stack.
Abstract translation: 目的：提供一种用于控制燃料电池系统的方法，用于通过将堆叠的温度升高到预定值以上而不改变系统和堆叠的配置来改善车辆的冷起动。 构成：控制燃料电池系统的方法包括以下步骤：（S1）如果起动钥匙被操作，确定冷起动条件是否正确; （S2）如果冷启动条件是正确的，则用于供气的第一流动路径和用于排气的第二流动通道被关闭，连接第二流动路径和堆叠的第三流动路径被打开，燃料被供应到 栈; （S3）; 打开第一流路和第二流路，并将空气供给到堆; （S4）确定堆叠的温度是否为预定值以上; 和（S5）如果堆叠的温度是预定值或更大，则通过将燃料和空气供应到堆叠来执行燃料电池系统的正常操作。
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公开(公告)号：KR1020100133698A
公开(公告)日：2010-12-22
申请号：KR1020090052383
申请日：2009-06-12
Applicant: 현대자동차주식회사 , 순천대학교 산학협력단
Abstract: PURPOSE: A method for testing electrolyte membrane endurance of fuel cell is provided to form pinhole and cracks on a film in a short time, and to accurately perform the lifetime of an electrolyte film. CONSTITUTION: A method for testing electrolyte membrane endurance of fuel cell comprises the steps of: performing electrochemical deterioration acceleration operation to create cracks or pin holes on a weak portion of an electrolyte film; accelerating generation of pinhole while inducing contraction and expansion of the electrolyte film by repeating humidification/drying cycle; confirming the formation of pinhole on the electrolyte film; and predicting a lifetime while evaluating durability.
Abstract translation: 目的：提供一种用于测量燃料电池电解质膜耐久性的方法，以在短时间内在膜上形成针孔和裂纹，并准确地实现电解质膜的寿命。 构成：对燃料电池的电解质膜耐久性进行检测的方法包括以下步骤：进行电化学劣化加速操作，在电解质薄膜的弱部产生裂缝或针孔; 加速产生针孔，同时通过重复加湿/干燥循环引起电解质膜的收缩和膨胀; 确认在电解质膜上形成针孔; 并在评估耐久性的同时预测一生。
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公开(公告)号：KR1020100060430A
公开(公告)日：2010-06-07
申请号：KR1020080119018
申请日：2008-11-27
Abstract: PURPOSE: A management system of heat and water for a fuel cell is provided to prevent a fuel cell stack from being dried out or flooded by controlling a stack operation temperature during the operation of the fuel cell, to secure output performance, and to improve durability. CONSTITUTION: A management system of heat and water for a fuel cell, capable of controlling a stack operation temperature, comprises: a pump(200) for circulating cooling water along a circulation route which is connected to a fuel cell stack(100); a heat exchanger(300) which is installed in the circulation route and cools the cooling water through heat exchange; a thermostat(400) selecting the circulation route of the cooling water; and a controller for controlling the drive of a cooling pump and the thermostat.
Abstract translation: 目的：提供一种用于燃料电池的热水和水管理系统，以防止燃料电池堆在燃料电池运行期间通过控制堆叠操作温度而被干燥或淹没，以确保输出性能，并提高耐久性 。 构成：能够控制堆垛操作温度的燃料电池的热水管理系统，包括：泵（200），用于沿连接到燃料电池堆（100）的循环路径循环冷却水; 热交换器（300），其安装在循环路径中并通过热交换冷却冷却水; 选择冷却水的循环路线的恒温器（400） 以及用于控制冷却泵和恒温器的驱动的控制器。
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Patent Agency Ranking
公开(公告)号：KR1020090119066A
公开(公告)日：2009-11-19
申请号：KR1020080044894
申请日：2008-05-15
IPC: H01M8/04
CPC classification number: H01M8/04089 , H01M8/04223 , H01M8/04302 , H01M8/04559 , H01M8/04753 , H01M8/0488 , H01M8/0491 , H01M2008/1095
Abstract: PURPOSE: A method for accelerating activation of a fuel cell is provided to shorten activation time of the fuel cell without additional apparatus by operating the fuel cell with a constant current or a constant voltage operation mode, and to reduce the used amount of hydrogen for activation as a result of the fuel battery activation reduction. CONSTITUTION: A method for accelerating activation of a fuel cell comprises the steps of: maintaining a cell voltage to the fixed OCV by supplying hydrogen to a fuel anode and air to an air electrode; blocking air supply to the air electrode; lowering the cell voltage to the critical level after blocking air supply to the air electrode; if OCV is dropped to the critical level, again increasing the OCV by supplying air to the air electrode; after supplying hydrogen to the fuel anode and air to the air electrode, operating the fuel cell in a constant current or constant voltage operation mode; and repeating the above steps.
Abstract translation: 目的：提供一种用于加速燃料电池的激活的方法，以通过以恒定电流或恒定电压操作模式操作燃料电池来缩短燃料电池的激活时间，而无需额外的装置，并且减少用于激活的氢的使用量 由于燃料电池的激活降低。 构成：用于加速燃料电池的激活的方法包括以下步骤：通过向燃料阳极供应氢气并将空气供给到空气电极，将电池电压维持在固定的OCV上; 堵塞空气电极的空气; 阻止空气供应到空气电极后，将电池电压降低到临界水平; 如果OCV下降到临界水平，再通过向空气电极供应空气来增加OCV; 在向燃料阳极供给氢气并将空气供给到空气电极之后，以恒定电流或恒定电压运行模式操作燃料电池; 并重复上述步骤。
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公开(公告)号：KR1020090114829A
公开(公告)日：2009-11-04
申请号：KR1020080040676
申请日：2008-04-30
Abstract: PURPOSE: A fuel cell is provided to measure current, voltage, temperature, inner resistance, or catalyst activity of each segment and to also enable exact property measurement for a portion of a separator. CONSTITUTION: A fuel cell comprises an electrode membrane assembly(201) comprising an electrode causing electrochemical reaction and electrolytic membrane which delivers ions generated by electric chemistry reaction; and a separator(203) which supports the electrode electrolyte assembly and comprises a plurality of electrically insulated segments. Each segment of the separator includes current measurement terminal, voltage measurement terminal, and temperature measurement terminal.
Abstract translation: 目的：提供一个燃料电池来测量每个部分的电流，电压，温度，内部电阻或催化剂活性，并且还能够对分离器的一部分进行精确的性能测量。 构成：燃料电池包括电极膜组件（201），其包括引起电化学反应的电极和电解膜，其传递通过电化学反应产生的离子; 以及支撑电极电解质组件并且包括多个电绝缘段的分离器（203）。 分离器的每个部分包括电流测量端子，电压测量端子和温度测量端子。
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公开(公告)号：KR100887830B1
公开(公告)日：2009-03-09
申请号：KR1020070069591
申请日：2007-07-11
Applicant: 현대자동차주식회사
IPC: H01M8/02
Abstract: 본 발명은 센터 홀 타입 스택체결기구를 갖는 연료전지 스택에 관한 것으로, 적층시 면압을 받는 면에 수직 방향으로 중앙을 관통하는 전지 관통홀이 형성되고, 상기 전지 관통홀 간의 위치가 일치하도록 적층된 다수의 단위전지; 상기 전지 관통홀의 위치 및 형상에 대응하여 적층시 면압을 받는 면에 수직 방향으로 중앙을 관통하는 분리판 관통홀이 형성되고, 상기 단위전지의 사이에 각각 삽입되어 상기 단위전지와 함께 연료전지 스택을 구성하는 다수의 분리판; 상기 분리판 관통홀의 위치 및 형상에 대응하여 중앙을 관통하는 관통홀이 형성되고, 상기 연료전지 스택의 양단을 지지하며, 수소 및 공기와 냉각수의 입출구 매니폴드가 형성된 한 쌍의 엔드 플레이트; 및 상기 전지 관통홀과 분리판 관통홀 및 관통홀이 연통되어 형성되는 센터 홀의 내측 및 상기 연료전지 스택의 외측에 결합되어 상기 연료전지 스택을 고정하여 면압을 유지하는 스택체결기구를 포함하는 것을 특징으로 한다. 이에 연료전지 스택의 외측 및 중앙 부분에서 연료전지 스택을 고정함으로써 연료전지 스택의 반응 면적이 증가하더라도 균일한 면압을 유지할 수 있는 효과가 있다.
연료전지 스택, 스택체결기구, 센터홀, 면압 유지-
公开(公告)号：KR1020090006344A
公开(公告)日：2009-01-15
申请号：KR1020070069591
申请日：2007-07-11
Applicant: 현대자동차주식회사
IPC: H01M8/02
Abstract: A fuel-cell stack having a center hole type stack assembly device is provided to maintain the uniform surface pressure although the reaction area of the fuel cell stack is increased, by fixing a fuel cell stack at the outer side and center area. A fuel-cell stack having a center hole type stack assembly device comprises a plurality of unit cells(130) formed with a battery penetration hole(132) passing through the center and laminated so that location between the battery penetration holes coincides with; a plurality of separators(140) formed with a separator penetration hole(142) correspond to the battery penetration hole and inserted between the cell; a pair of top and lower part end plates(120) formed with a penetration hole(114) passing through the center, correspond to the separator penetration hole, which supports both ends of the fuel cell stack(100) and is formed with inlet and outlet manifolds (115, 117, 119, 125, 127, 129) of hydrogen, air and cooling water; and a stack assembly device maintaining the surface pressure by fixing the fuel cell stack.
Abstract translation: 提供了具有中心孔型堆叠组装装置的燃料电池堆，以便通过在燃料电池堆的外侧和中心区域固定燃料电池堆的反应区域来保持均匀的表面压力。 一种具有中心孔型堆叠组装装置的燃料电池堆包括形成有穿过中心的电池穿透孔（132）的多个单位电池（130），并被层叠，使得电池穿透孔之间的位置一致; 形成有分离器贯通孔（142）的多个分离器（140）对应于电池穿透孔并插入在电池之间; 形成有穿过中心的穿透孔（114）的一对顶部和底部端板（120）对应于支撑燃料电池堆（100）的两端的分离器穿透孔，并且形成有入口和 出口歧管（115,117,119,125,127,129）的氢气，空气和冷却水; 以及通过固定燃料电池堆保持表面压力的堆叠组装装置。
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公开(公告)号：KR1020080114115A
公开(公告)日：2008-12-31
申请号：KR1020070063368
申请日：2007-06-27
Applicant: 현대자동차주식회사
IPC: H01M4/86
CPC classification number: H01M8/0258 , H01M4/8657 , H01M4/921 , H01M2008/1095 , Y02E60/521
Abstract: An MEA for a fuel cell is provided to prevent a carbon support material of cathode and anode from being rusted and the performance of a fuel battery from being lowered. An MEA for a fuel cell comprises a cathode(22) and an anode(21) which are a catalyst layer coated onto the both sides of an electrolyte film; a flow channel(26) which is arranged with a gas diffusion layer in the interval of the outside parts of an anode and cathode; a separator having the flow channel; and further an alloy and anti-corrosion catalyst(24) on the surface of a catalyst layer constituting the cathode and anode pole.
Abstract translation: 提供了用于燃料电池的MEA，以防止阴极和阳极的碳载体材料生锈，并且燃料电池的性能降低。 用于燃料电池的MEA包括阴极（22）和阳极（21），其是涂覆在电解质膜两侧的催化剂层; 流动通道（26），其在阳极和阴极的外部部分的间隔中布置有气体扩散层; 具有流路的分离器; 以及在构成阴极和阳极的催化剂层的表面上还有合金和抗腐蚀催化剂（24）。
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