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1. 发明专利

JP2003187847A METHOD AND DEVICE FOR OPERATING SOLID POLYMER FUEL CELL 审中-公开
公开(公告)号：JP2003187847A
公开(公告)日：2003-07-04
申请号：JP2002357213
申请日：2002-12-09
申请人： HYUNDAI MOTOR CO LTD , KOREA INST SCI & TECH
发明人： GO JINKAN , KO JAE JUN , KO KYOYO , KO SEIAN , LIM TAE WON , LEE KICHUN , KIM SOO WHAN , LEE JONG HYUN
IPC分类号： H01M8/10 , H01M8/04
摘要： PROBLEM TO BE SOLVED: To provide a method and device for operating a solid polymer fuel cell, wherein even if an outside air temperature falls to the coagulation point of water or below, no water remaining in the system freezes, to damage MEA, to stably hold a solid polymer fuel cell, while performance will not degrade even at re-operation. SOLUTION: A step comprises, where a dried gas is made to flow for a few seconds before a temperature falls to the coagulation point of water or below, when the solid polymer fuel cell stops its operation state, and a solution having a low coagulation point, containing at least one kind among methanol, butanol, and ethylene glycol is filled into a fuel electrode of a fuel cell. Further a step comprises where, when the solid polymer fuel cell is re-operated from a stopped state, under temperature conditions of the coagulation point of water or below, only the dried gas is initially made to flow for operation, while a humidified gas is normally made to flow for operation, after the temperature rises to the coagulation point of water or higher. COPYRIGHT: (C)2003,JPO

2. 发明专利

JP2008047506A Fuel cell stack 有权
标题翻译：燃料电池堆
公开(公告)号：JP2008047506A
公开(公告)日：2008-02-28
申请号：JP2006333085
申请日：2006-12-11
申请人： Hyundai Motor Co Ltd , 現代自動車株式会社
发明人： KO JAE JUN , LEE JONG HYUN , OH SEUNG CHAN , YOON JONG JIN
IPC分类号： H01M8/24 , H01M8/10
CPC分类号： H01M8/2415 , H01M8/0297 , H01M8/04052 , H01M8/04067 , H01M8/2465 , H01M8/248 , H01M2008/1095
摘要： PROBLEM TO BE SOLVED: To provide a fuel cell stack in which safety of a battery can be improved by minimizing performance deviation caused by temperature deviation between cells occurring when the fuel cell stack is operated under a low temperature of 0°C or less.
SOLUTION: The fuel cell stack is composed by including two end plates arranged to face each other with a fixed spacing, a first current collector contacting insides of the respective end plates, a second current collector that contacts the first current collector and has a larger thermal expansion coefficient than that of the first current collector, a third current collector that becomes contacted or non-contacted with the second current collector depending on the surrounding temperature, a separation board that contacts with the inner side of the third current collector, a membrane electrode assembly that contacts the separation board, arranged alternately with the separation board and is in a stack state that multiple cells are piled up, and a mounting fixture that covers and wraps the two end plates and the constitution arranged inside the two end plates.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种燃料电池堆，其中可以通过使燃料电池堆在0℃的低温下运行时发生的电池之间的温度偏差最小化而导致的性能偏差最小化，从而可以提高电池的安全性，或者减。解决方案：燃料电池堆由包括以固定间隔彼此相对布置的两个端板组成，第一集电体与各个端板接触，第二集电器接触第一集电器并具有与第一集电体相比具有较大的热膨胀系数，根据周围温度与第二集电体接触或不接触的第三集电体，与第三集电体的内侧接触的分离板，接触分离板的膜电极组件，与分离板交替布置，并且处于堆叠状态，多个电池堆叠;以及安装夹具，其覆盖和包裹两个端板，并且布置在两个端板内部的结构。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2009016331A Fuel cell acceleration activating device and method 审中-公开
标题翻译：燃料电池加速激活装置和方法
公开(公告)号：JP2009016331A
公开(公告)日：2009-01-22
申请号：JP2007295514
申请日：2007-11-14
申请人： Hyundai Motor Co Ltd , Korea Automotive Technology Inst , 現代自動車株式会社 , 韓国自動車部品研究院
发明人： SON IK JAE , KO JAE JUN , YOON JONG JIN , LEE JONG HYUN , OH SEUNG CHAN , KIM YOUNG MIN , YOO SEUNG EUL , GU EIMO , KIM MEIKAN
IPC分类号： H01M8/04 , H01M8/06 , H01M8/10
CPC分类号： H01M8/04 , H01M8/04007 , H01M8/04089 , H01M8/04126 , H01M8/04179 , H01M8/04753 , H01M2008/1095
摘要： PROBLEM TO BE SOLVED: To provide a fuel cell acceleration activating method in which a performance of a polymer electrolyte fuel cell can be extensively improved and which can stably demonstrate a high performance in a short time.
SOLUTION: The fuel cell acceleration activating device includes a fuel cell stack, an air supplying means combined with a cathode catalyst side of the fuel cell stack through a mass flow rate controller and a humidifier, a hydrogen supplying means combined with an anode catalyst side of the fuel cell stack through a mass flow rate controller and a humidifier, a constant temperature tank for supplying cyclically a cooling water inside the fuel cell stack, and a cable which is combined with both ends of the fuel cell stack and makes a short circuit between the cathode and the anode.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种燃料电池加速激活方法，其中可以广泛地改进聚合物电解质燃料电池的性能，并且可以在短时间内稳定地显示高性能。解决方案：燃料电池加速启动装置包括燃料电池堆，通过质量流量控制器和加湿器与燃料电池堆的阴极催化剂侧结合的空气供给装置，与阳极结合的氢供给装置燃料电池堆的催化剂侧通过质量流量控制器和加湿器，用于周期性地在燃料电池堆内部供应冷却水的恒温罐和与燃料电池堆的两端组合的电缆，阴极和阳极之间的短路。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2009004343A Carbon corrosion inhibitive device for cathode of fuel cell 审中-公开
标题翻译：用于燃料电池阴极的碳腐蚀抑制装置
公开(公告)号：JP2009004343A
公开(公告)日：2009-01-08
申请号：JP2007211618
申请日：2007-08-15
申请人： Hyundai Motor Co Ltd , Kia Motors Corp , 現代自動車株式会社 , 起亞自動車株式会社
发明人： OH SEUNG CHAN , LEE JONG HYUN , YOON JONG JIN , KO JAE JUN , KIM YOUNG MIN , SON IK JAE
IPC分类号： H01M8/04 , H01M8/00 , H01M8/10
CPC分类号： H01M8/04089 , H01M8/0441 , H01M8/04753 , H01M8/04761 , Y10T137/7837
摘要： PROBLEM TO BE SOLVED: To provide a carbon corrosion inhibitive device for a cathode of a fuel cell capable of inhibiting erosion of a carbon material at a cathode side by inhibiting formation of an interface between hydrogen and oxygen at a cathode side of the fuel cell when starting and terminating the fuel cell.
SOLUTION: The carbon corrosion inhibitive device for a cathode of a fuel cell is provide with an air blower, the fuel cell, an air exhaust pipe for discharging the remaining air, a pressure sensor and an air exhaust electromagnetic valve which are therein arranged, and a control section for controlling operations of the air blower and air exhaust magnetic valve by receiving an input of the pressure sensor. When starting and terminating the fuel cell, the control section senses air pressure through the pressure sensor, the whole oxygen is exhausted in the fuel cell by closing the air exhaust electromagnetic valve after supplying air into the fuel cell until the air pressure is reached at the setting pressure by the air blower, and formation of the interface between hydrogen and oxygen at an anode side is restrained.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种能够抑制阴极侧的碳材料侵蚀的燃料电池的阴极的碳腐蚀抑制装置，通过在阴极侧的阴极侧抑制氢和氧之间的界面的形成燃料电池在启动和终止燃料电池时。解决方案：燃料电池阴极的碳腐蚀抑制装置设有鼓风机，燃料电池，用于排出剩余空气的排气管，压力传感器和排气电磁阀以及用于通过接收压力传感器的输入来控制鼓风机和排气电磁阀的操作的控制部分。当启动和终止燃料电池时，控制部分感测通过压力传感器的空气压力，在将空气供入燃料电池中之后关闭排气电磁阀，整个氧气在燃料电池中排出，直到达到空气压力通过鼓风机的设定压力，并且抑制在阳极侧的氢和氧之间的界面的形成。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2012119294A Fuel cell stack excellent in freeze-thaw durability 有权
标题翻译：燃油电池堆高效冻结耐久性
公开(公告)号：JP2012119294A
公开(公告)日：2012-06-21
申请号：JP2011082916
申请日：2011-04-04
申请人： Hyundai Motor Co Ltd , Kia Motors Corp , 現代自動車株式会社 , 起亞自動車株式会社
发明人： HONG BO-GI , HAN KOOK IL , KIM SAE HOON , KO JAE JUN
IPC分类号： H01M8/02 , H01M8/10 , H01M8/24
CPC分类号： H01M8/023 , H01M8/0234 , H01M8/241 , Y02P70/56
摘要： PROBLEM TO BE SOLVED: To provide a fuel cell stack designed to reduce contact resistance in a fuel cell to prevent water of an electrochemical reaction product from being frozen under a sub-zero temperature condition when hydrogen and air (oxygen) as reactant gases are supplied to the fuel cell stack.SOLUTION: A fuel cell stack of the present invention includes a gas diffusion layer between a membrane-electrode assembly and a bipolar plate. The gas diffusion layer is formed to have a structure where contact resistance in a fuel cell is reduced to reduce freezing of produced water, and is cut such that a high stiffness direction of a specific gas diffusion layer roll is not in parallel with a major flow field direction of the bipolar plate, resulting in an increased stiffness of the gas diffusion layer in a lateral direction crossing the major flow field direction of the bipolar plate.
摘要翻译：要解决的问题：提供一种设计用于降低燃料电池中的接触电阻的燃料电池堆，以防止当氢气和空气（氧）作为反应物时，电化学反应产物的水在零下温度条件下冻结气体被供应到燃料电池堆。解决方案：本发明的燃料电池堆包括在膜 - 电极组件和双极板之间的气体扩散层。气体扩散层形成为具有降低燃料电池中的接触电阻以降低生产水的冷冻的结构，并且被切割成特定气体扩散层辊的高刚度方向与主流不平行导致双极板的场方向，导致气体扩散层在与双极板的主流场方向交叉的横向方向上的刚度增加。版权所有（C）2012，JPO＆INPIT

6. 发明专利

JP2011003524A Unified valve device for fuel cell stack 有权
标题翻译：用于燃料电池堆的统一阀装置
公开(公告)号：JP2011003524A
公开(公告)日：2011-01-06
申请号：JP2009242573
申请日：2009-10-21
申请人： Hyundai Motor Co Ltd , 現代自動車株式会社
发明人： SUNG WOO SUK , KO JAE JUN , KIM SAE HOON
IPC分类号： H01M8/04 , H01M8/06
CPC分类号： H01M8/04253 , H01M8/04197 , H01M8/04223 , H01M8/04231 , Y10T137/8593 , Y10T137/86493
摘要： PROBLEM TO BE SOLVED: To provide a unified valve device for a fuel cell stack for preventing catalyst deterioration in the stack by intercepting an inflow of air to an air pole in shutdown of a fuel cell and improving durability of the stack and improving a low-temperature starting nature by effectively removing water.SOLUTION: An air interception valve 10 for intercepting the inflow of air to the air pole and a bypass valve 20 having an air interception function even though it is prepared for dry gas purge for removing water are unified to one set by connection with the same shaft so as to simultaneously open and close with a designated driving means in shutdown of the fuel cell. The air interception valve 10 is formed by a first housing 17 formed on an air supply line between a humidifier outlet and an air pole inlet as a two-way valve, and a first valve plate 18 internally established in the first housing at a rotatable state.
摘要翻译：要解决的问题：为了提供一种用于燃料电池堆的统一的阀装置，用于通过在燃料电池停止时截断空气到空气极的流入来防止堆叠中的催化剂劣化，并提高堆叠的耐久性，通过有效地去除水来实现温度起始性能。解决方案：即使制备用于干燥气体吹扫以除去水的空气拦截阀10也可以将空气截流到空气极的空气和具有空气拦截功能的旁通阀20统一到一个通过与相同的轴连接而设置，以在关闭燃料电池的同时用指定的驱动装置同时打开和关闭。空气截止阀10由形成在作为二通阀的加湿器出口和空气极入口之间的空气供应管线上的第一壳体17和内部建立在第一壳体中的可旋转状态的第一阀板18形成。

7. 发明专利

JP2009277637A Method of activating fuel cell 有权
标题翻译：激活燃料电池的方法
公开(公告)号：JP2009277637A
公开(公告)日：2009-11-26
申请号：JP2008180367
申请日：2008-07-10
申请人： Hyundai Motor Co Ltd , Kia Motors Corp , 現代自動車株式会社 , 起亞自動車株式会社
发明人： OH SEUNG CHAN , KO JAE JUN , KIM YOUNG MIN , SON IK JAE , YOON JONG JIN , LEE JONG HYUN
IPC分类号： H01M8/04 , H01M8/10
CPC分类号： H01M8/04089 , H01M8/04223 , H01M8/04559 , H01M8/04753 , H01M8/0488 , H01M8/0491 , H01M2008/1095
摘要： PROBLEM TO BE SOLVED: To provide a method of activating a fuel cell in which activation time is drastically condensed so that an amount of hydrogen is decreased and no additional device is necessary.
SOLUTION: The method of activating the fuel cell sequentially performs: (1) a first step of maintaining cell voltage in a constant level of open circuit voltage (OCV) (or in a lower constant level than the OCV), supplying hydrogen to a fuel electrode and air to an air electrode; (2) a second step of blocking air supply to the air electrode, continuing hydrogen supply to the fuel electrode; (3) a third step of lowering the cell voltage from the OCV to the lowest input voltage; (4) a fourth step of raising the cell voltage to the constant level of the OCV (or the lower constant level than the OCV), supplying again air to the air electrode; (5) a fifth step of driving the fuel cell by constant current, or a constant voltage driving mode, sufficiently supplying hydrogen to the fuel electrode and air to the air electrode; and (6) a sixth step of repeating several times the steps of the first to the fifth.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种激活燃料电池的方法，其中激活时间被大幅度冷凝，使得氢的量减少，并且不需要额外的装置。解决方案：激活燃料电池的方法顺序地执行：（1）将电池电压维持在开路电压（OCV）的恒定水平（或者比OCV更低的恒定水平）的第一步骤，提供氢到燃料电极和空气到空气电极; （2）阻止向空气电极供应气体的第二步骤，继续向燃料电极供应氢气; （3）将电池电压从OCV降低到最低输入电压的第三步骤; （4）将电池电压升高到OCV的恒定电平（或比OCV的更低的恒定电平）的第四步骤，再次向空气电极供给空气; （5）通过恒定电流或恒压驱动模式驱动燃料电池的第五步骤，向燃料电极充分供给氢气并向空气电极供给空气; 和（6）重复数次第一至第五步骤的第六步骤。版权所有（C）2010，JPO＆INPIT

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