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    Thermal management system for high-temperature fuel cell
    81.
    发明申请
    Thermal management system for high-temperature fuel cell 有权

    公开(公告)号：US20110129744A1

    公开(公告)日：2011-06-02

    申请号：US12628218

    申请日：2009-12-01

    Applicant: Dung-Di Yu ,  Yung-Neng Cheng ,  Ruey-Yi Lee

    Inventor： Dung-Di Yu ,  Yung-Neng Cheng ,  Ruey-Yi Lee

    IPC: H01M8/18

    CPC classification number: H01M8/0618 ,  H01M8/04014 ,  H01M8/04343 ,  H01M8/0435 ,  H01M8/04388 ,  H01M8/04395 ,  H01M2008/1293

    Abstract: A thermal management system for high-temperature fuel cell mainly comprises a first mixer to introduce external fuel to a reformer, a reformer to adjust the gaseous fuel to a proper composition ratio and output the fuel to the anode input of the fuel cell, a second mixer to introduce external ambient air to the cathode input of the fuel cell, a cathode thermal cycle pipeline to deliver the high-temperature air from the cathode output of the fuel cell to pass through the second mixer and the reformer and also heat the second mixer and the reformer to recover the heat, an anode thermal cycle pipeline to introduce the water steam from the anode output of fuel cell, remaining fuel and thermal energy to the first mixer to mix with incoming fuel, and provide sufficient water-to-carbon ratio and the inlet temperature required for the reformer.

    Supply System and Warning Device for a Fuel Cell Stack and Method for Controlling the Supply System
    82.
    发明申请
    Supply System and Warning Device for a Fuel Cell Stack and Method for Controlling the Supply System 失效
    用于燃料电池堆的供应系统和警告装置以及用于控制供应系统的方法

    公开(公告)号：US20100086812A1

    公开(公告)日：2010-04-08

    申请号：US12526441

    申请日：2007-02-09

    Applicant: Uwe Pasera ,  Simon Steinhuebl

    Inventor： Uwe Pasera ,  Simon Steinhuebl

    IPC: H01M8/04 ,  G08B21/00

    CPC classification number: H01M8/04141 ,  H01M8/04335 ,  H01M8/0435 ,  H01M8/04358 ,  H01M8/04365 ,  H01M8/04373 ,  H01M8/04395 ,  H01M8/04507 ,  H01M8/04522 ,  H01M8/04589 ,  H01M8/04723

    Abstract: In a fuel cell stack, fuel, such as often hydrogen, electrochemically reacts with an oxidant, such as ambient air, and electric energy is generated from chemical energy. During the reaction, a proton exchange membrane (PEM) separates the fuel from the oxidant during the electrochemical process. A supply system for the fuel cell stack comprises an adjustable humidifying device for humidifying a supply gas which is supplied to the fuel cell stack, as a function of a control signal; and a dehumidifying device, which is configured to dehumidify an exhaust gas that is formed from the supply gas conducted through the fuel cell stack, and to discharge the same as a dehumidified exhaust gas. A controller, which generates the control signal, is configured from a programming and/or switching point of view to generate the control signal based on the gas temperature of the dehumidified exhaust gas.

    Abstract translation: 在燃料电池堆中，诸如常常为氢的燃料与氧化剂如环境空气电化学反应，并且由化学能产生电能。 在反应期间，质子交换膜（PEM）在电化学过程中将燃料与氧化剂分离。 用于燃料电池堆的供应系统包括可调节加湿装置，用于根据控制信号加湿供应到燃料电池堆的供应气体; 以及除湿装置，其被构造成对由通过燃料电池堆传导的供给气体形成的废气进行除湿，并且将其作为除湿废气排出。 产生控制信号的控制器由编程和/或切换的观点来配置，以基于除湿废气的气体温度生成控制信号。

    Sensorless relative humidity control in a fuel cell application
    85.
    发明申请
    Sensorless relative humidity control in a fuel cell application 有权
    燃料电池应用中的无传感器相对湿度控制

    公开(公告)号：US20070141412A1

    公开(公告)日：2007-06-21

    申请号：US11304198

    申请日：2005-12-15

    Applicant: Marc Becker ,  Oliver Maier ,  Peter Willimowski

    Inventor： Marc Becker ,  Oliver Maier ,  Peter Willimowski

    IPC: H01M8/04 ,  G01N7/00

    CPC classification number: H01M8/04835 ,  H01M8/04141 ,  H01M8/04291 ,  H01M8/04335 ,  H01M8/0435 ,  H01M8/04395 ,  H01M8/04507 ,  H01M8/04753 ,  H01M2008/1095

    Abstract: A technique for determining the relative humidity of the cathode input airflow to a fuel cell stack that eliminates the need for a dew-point sensor. The cathode input airflow is humidified by a water vapor transfer unit that uses water in the cathode exhaust gas. The technique employs an algorithm that determines the flow of water into the cathode inlet of the stack. In one embodiment, the algorithm determines the volume flow of water through the water vapor transfer unit using the Arrhenius equation, and then converts the water volume flow to a water mole flow. The algorithm then uses the water mole flow through the water vapor transfer unit and the water mole flow of ambient air to determine the water mole flow into the cathode inlet. The algorithm then uses the water mole flow into the cathode inlet to determine the relative humidity of the cathode airflow.

    Abstract translation: 用于确定阴极输入气流到燃料电池堆的相对湿度的技术，其消除了对露点传感器的需要。 阴极输入气流由在阴极废气中使用水的水蒸汽转移单元加湿。 该技术采用一种算法来确定进入堆叠阴极入口的水流。 在一个实施例中，算法通过使用Arrhenius方程确定通过水蒸汽转移单元的水的体积流量，然后将水体积流转换成水摩尔流。 然后，该算法使用通过水蒸气转移单元的水摩尔流和环境空气的水摩尔流量来确定进入阴极入口的水摩尔流。 然后，该算法使用进入阴极入口的水摩尔流来确定阴极气流的相对湿度。

    Fuel cell system for setting predetermined operation state when substitutional value control is impossible
    87.
    发明申请
    Fuel cell system for setting predetermined operation state when substitutional value control is impossible 有权
    用于在不可能进行替代值控制时设定预定运行状态的燃料电池系统

    公开(公告)号：US20060286418A1

    公开(公告)日：2006-12-21

    申请号：US11438038

    申请日：2006-05-19

    Applicant: Hibiki Saeki ,  Satoshi Aoyagi ,  Kuniaki Ojima

    Inventor： Hibiki Saeki ,  Satoshi Aoyagi ,  Kuniaki Ojima

    IPC: H01M8/04

    CPC classification number: H01M8/04686 ,  H01M8/04328 ,  H01M8/04335 ,  H01M8/04343 ,  H01M8/0435 ,  H01M8/04358 ,  H01M8/04388 ,  H01M8/04395 ,  H01M8/04402 ,  H01M8/0441 ,  H01M8/04417 ,  H01M8/04559 ,  H01M8/04567 ,  H01M8/04589 ,  H01M8/04597 ,  H01M8/04753 ,  H01M8/04761 ,  H01M2250/20 ,  Y02T90/32 ,  Y10S903/908 ,  Y10S903/944

    Abstract: A fuel cell system installed in a fuel-cell movable body. The system includes a fuel cell for generating electric power using reaction gases; a plurality of sensors for measuring states of the fuel cell; an abnormal state detecting device for detecting an abnormal state of at least one of said plurality of sensors; a substitution possibility determining device for determining whether there are one or more substitution sensors from among said plurality of sensors, each substitution sensor outputting a signal value used for setting a substitutional value for a signal value output from the sensor whose abnormal state has been detected; and a predetermined operation control device for operating the fuel cell in a predetermined operation state when the abnormal state of the sensor is detected by the abnormal state detecting device and it is determined by the substitution possibility determining device that there is no substitution sensor.

    Abstract translation: 一种安装在燃料电池可移动体中的燃料电池系统。 该系统包括使用反应气体产生电力的燃料电池; 用于测量燃料电池的状态的多个传感器; 异常状态检测装置，用于检测所述多个传感器中的至少一个的异常状态; 替代可能性确定装置，用于确定所述多个传感器中是否存在一个或多个替代传感器，每个替代传感器输出用于设置从已经检测到异常状态的传感器输出的信号值的替代值的信号值; 以及预定操作控制装置，用于当异常状态检测装置检测到传感器的异常状态时，在预定操作状态下操作燃料电池，并且由替代可能性确定装置确定不存在替代传感器。

    Method for real-time monitoring and control of cathode stoichiometry in fuel cell system
    89.
    发明申请
    Method for real-time monitoring and control of cathode stoichiometry in fuel cell system 审中-公开
    燃料电池系统中阴极化学计量的实时监测和控制方法

    公开(公告)号：US20050233182A1

    公开(公告)日：2005-10-20

    申请号：US10827699

    申请日：2004-04-20

    Applicant: Robert Fuss ,  Robert Carter ,  Bruce Clingerman

    Inventor： Robert Fuss ,  Robert Carter ,  Bruce Clingerman

    IPC: G01N27/407 ,  H01M8/00 ,  H01M8/04

    CPC classification number: H01M8/0447 ,  H01M8/04089 ,  H01M8/0435 ,  H01M8/04395 ,  H01M8/0441 ,  H01M8/04522 ,  H01M8/04753

    Abstract: A fuel cell system that employs an oxygen sensor for measuring the oxygen concentration in the cathode exhaust gas from the fuel cell stack. A controller provides a signal that drives a compressor providing air to a cathode input of the stack so that the compressor provides the desired oxygen to achieve the desired cathode lambda. In one embodiment, the fuel cell system also employs an airflow meter that measures the amount of air being applied to the compressor. The controller compares the oxygen input applied to the stack to the oxygen output from the stack for diagnostic purposes, such as determining the presence of leaks. A temperature sensor can be employed to measure the temperature of the cathode exhaust and a pressure sensor can be employed to measure the pressure of the cathode exhaust to compensate for water vapor in the cathode exhaust.

    Abstract translation: 一种燃料电池系统，其采用氧传感器来测量来自燃料电池堆的阴极废气中的氧浓度。 控制器提供驱动压缩机向堆叠的阴极输入提供空气的信号，使得压缩机提供期望的氧气以实现期望的阴极λ。 在一个实施例中，燃料电池系统还采用测量施加到压缩机的空气量的气流计。 控制器将施加到堆叠的氧气输入与用于诊断目的的堆叠的氧气输出进行比较，例如确定泄漏的存在。 可以使用温度传感器来测量阴极排气的温度，并且可以使用压力传感器来测量阴极排气的压力以补偿阴极排气中的水蒸气。

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