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11. 发明申请

US20090081490A1 CLOSED-LOOP METHOD FOR FUEL CELL SYSTEM START-UP WITH LOW VOLTAGE SOURCE 有权
标题翻译：用于低电压源的燃料电池系统启动的闭环方法
公开(公告)号：US20090081490A1
公开(公告)日：2009-03-26
申请号：US11858987
申请日：2007-09-21
申请人： Abdullah B. Alp , Akbar Chowdhury , Matthew C. Kirklin , Matthew K. Hortop , John P. Salvador
发明人： Abdullah B. Alp , Akbar Chowdhury , Matthew C. Kirklin , Matthew K. Hortop , John P. Salvador
IPC分类号： H01M8/04
CPC分类号： H01M8/04753 , H01M8/04223 , H01M8/04225 , H01M8/04231 , H01M8/04302 , H01M8/04395 , H01M8/04567 , H01M8/04731 , H01M8/04805 , H01M8/04888 , H01M2008/1095 , Y02E60/50
摘要： A fuel cell system is provided that includes a fuel cell stack and an air compressor in communication with a cathode inlet, a hydrogen source in communication with an anode inlet, and a start-up battery adapted to power the air compressor. The start-up battery is at least one of a low-voltage battery and a high-voltage battery. A pressure sensor is in communication with the air compressor and adapted to measure a compressor outlet pressure. A power conversion module is in electrical communication with the start-up battery and the air compressor. A controller is in communication with the power conversion module and adapted to set an air compressor speed based on an available electrical energy. A closed-loop method of operating the fuel cell system at start-up is also provided, wherein an anode purge is scheduled based on an air flow rate calculated from the compressor outlet pressure and the actual speed.
摘要翻译：提供一种燃料电池系统，其包括与阴极入口连通的燃料电池堆和空气压缩机，与阳极入口连通的氢源和适于为空气压缩机供电的启动电池。启动电池至少是低压电池和高压电池中的一种。压力传感器与空气压缩机连通并适于测量压缩机出口压力。电源转换模块与起动电池和空气压缩机电连通。控制器与电力转换模块通信，并且适于基于可用的电能来设定空气压缩机速度。还提供了在启动时操作燃料电池系统的闭环方法，其中基于从压缩机出口压力和实际速度计算出的空气流量来排列阳极吹扫。

12. 发明申请

US20100151288A1 METHOD OF OPERATING A FUEL CELL SYSTEM IN STANDBY/REGENERATIVE MODE 有权
标题翻译：在待机/再生模式下操作燃料电池系统的方法
公开(公告)号：US20100151288A1
公开(公告)日：2010-06-17
申请号：US12336193
申请日：2008-12-16
申请人： Akbar Chowdhury , John P. Salvador , Abdullah B. Alp
发明人： Akbar Chowdhury , John P. Salvador , Abdullah B. Alp
IPC分类号： H01M8/04
CPC分类号： H01M8/04231
摘要： A system and method for putting a fuel cell system in a stand-by during a system idle condition to improve system fuel efficiency. The method can include diverting the cathode airflow around the stack, reducing an airflow output from a cathode compressor to a minimum allowable set-point, opening the stack contactors to disconnect the stack from the high voltage bus and electrically isolate the stack from the rest of the system, engaging an independent load to the stack, such as end cell heaters in the stack, to suppress stack voltage, maintaining a positive pressure in the anode side of the fuel cell stack and periodically bleeding the anode into the exhaust stream. When a system power request is made removing the idle condition, the system returns to normal operation by directing the airflow back to the cathode and opening the stack contactors when an open circuit voltage is attained.
摘要翻译：一种在系统怠速状态下将燃料电池系统置于待机状态以提高系统燃料效率的系统和方法。该方法可以包括将阴极气流转向堆叠周围，将从阴极压缩机输出的气流减少到最小允许设定点，打开堆叠接触器以将堆叠与高压母线断开并将堆叠与其余部分电隔离该系统将诸如堆叠中的端电池加热器的独立负载接合到堆叠中以抑制堆叠电压，在燃料电池堆的阳极侧保持正压力并且将阳极周期性地排放到排气流中。当消除空闲状态的系统功率请求时，当达到开路电压时，通过将气流引导回阴极并打开堆叠接触器，系统恢复正常操作。

13. 发明授权

US09496572B2 Closed-loop method for fuel cell system start-up with low voltage source 有权
标题翻译：低压源燃料电池系统启动的闭环方法
公开(公告)号：US09496572B2
公开(公告)日：2016-11-15
申请号：US11858987
申请日：2007-09-21
申请人： Abdullah B. Alp , Akbar Chowdhury , Matthew C. Kirklin , Matthew K. Hortop , John P. Salvador
发明人： Abdullah B. Alp , Akbar Chowdhury , Matthew C. Kirklin , Matthew K. Hortop , John P. Salvador
IPC分类号： H01M8/04 , H01M8/10
CPC分类号： H01M8/04753 , H01M8/04223 , H01M8/04225 , H01M8/04231 , H01M8/04302 , H01M8/04395 , H01M8/04567 , H01M8/04731 , H01M8/04805 , H01M8/04888 , H01M2008/1095 , Y02E60/50
摘要： A fuel cell system is provided that includes a fuel cell stack and an air compressor in communication with a cathode inlet, a hydrogen source in communication with an anode inlet, and a start-up battery adapted to power the air compressor. The start-up battery is at least one of a low-voltage battery and a high-voltage battery. A pressure sensor is in communication with the air compressor and adapted to measure a compressor outlet pressure. A power conversion module is in electrical communication with the start-up battery and the air compressor. A controller is in communication with the power conversion module and adapted to set an air compressor speed based on an available electrical energy. A closed-loop method of operating the fuel cell system at start-up is also provided, wherein an anode purge is scheduled based on an air flow rate calculated from the compressor outlet pressure and the actual speed.
摘要翻译：提供一种燃料电池系统，其包括与阴极入口连通的燃料电池堆和空气压缩机，与阳极入口连通的氢源和适于为空气压缩机供电的启动电池。启动电池至少是低压电池和高压电池中的一种。压力传感器与空气压缩机连通并适于测量压缩机出口压力。电源转换模块与起动电池和空气压缩机电连通。控制器与电力转换模块通信，并且适于基于可用的电能来设定空气压缩机速度。还提供了在启动时操作燃料电池系统的闭环方法，其中基于从压缩机出口压力和实际速度计算出的空气流量来排列阳极吹扫。

14. 发明授权

US08088530B2 Method of operating a fuel cell system in standby/regenerative mode 有权
标题翻译：在备用/再生模式下操作燃料电池系统的方法
公开(公告)号：US08088530B2
公开(公告)日：2012-01-03
申请号：US12336193
申请日：2008-12-16
申请人： Akbar Chowdhury , John P. Salvador , Abdullah B. Alp
发明人： Akbar Chowdhury , John P. Salvador , Abdullah B. Alp
IPC分类号： H01M8/04
CPC分类号： H01M8/04231
摘要： A system and method for putting a fuel cell system in a stand-by during a system idle condition to improve system fuel efficiency. The method can include diverting the cathode airflow around the stack, reducing an airflow output from a cathode compressor to a minimum allowable set-point, opening the stack contactors to disconnect the stack from the high voltage bus and electrically isolate the stack from the rest of the system, engaging an independent load to the stack, such as end cell heaters in the stack, to suppress stack voltage, maintaining a positive pressure in the anode side of the fuel cell stack and periodically bleeding the anode into the exhaust stream. When a system power request is made removing the idle condition, the system returns to normal operation by directing the airflow back to the cathode and opening the stack contactors when an open circuit voltage is attained.
摘要翻译：一种在系统怠速状态下将燃料电池系统置于待机状态以提高系统燃料效率的系统和方法。该方法可以包括将阴极气流转向堆叠周围，将从阴极压缩机输出的气流减少到最小允许设定点，打开堆叠接触器以将堆叠与高压母线断开并将堆叠与其余部分电隔离该系统将诸如堆叠中的端电池加热器的独立负载接合到堆叠中以抑制堆叠电压，在燃料电池堆的阳极侧保持正压力并且将阳极周期性地排放到排气流中。当消除空闲状态的系统功率请求时，当达到开路电压时，通过将气流引导回阴极并打开堆叠接触器，系统恢复正常操作。

15. 发明授权

US07740964B2 Adaptive anode nitrogen management control 有权
标题翻译：自适应阳极氮管理控制
公开(公告)号：US07740964B2
公开(公告)日：2010-06-22
申请号：US11397774
申请日：2006-04-04
申请人： Abdullah B. Alp , Victor W. Logan , John P. Salvador
发明人： Abdullah B. Alp , Victor W. Logan , John P. Salvador
IPC分类号： H01M8/04
CPC分类号： H01M8/04089 , H01M8/04328 , H01M8/04388 , H01M8/04425 , H01M8/04447 , H01M8/04559 , H01M8/04798
摘要： A method is provided for controlling the concentration of nitrogen in a fuel cell stack. The method includes providing a fuel cell stack with cathode passages and anode passages including a valve in communication with the anode passages. The method further comprises selecting a maximum desired amount of nitrogen to be found in the fuel cell stack and calculating an actual amount of nitrogen in the fuel cell stack. Next, the method provides for comparing the maximum desired amount of nitrogen in the fuel cell stack to the actual amount of nitrogen in the fuel cell stack, and opening the valve if the actual amount of nitrogen in the fuel cell stack is greater than the maximum desired amount of nitrogen in the fuel cell stack. The method calculates the actual amount of nitrogen in the fuel cell stack based on an amount of nitrogen that enters the anode passages due to an age of the fuel cell stack.
摘要翻译：提供了一种用于控制燃料电池堆中的氮浓度的方法。该方法包括提供具有阴极通道和阳极通道的燃料电池堆，阳极通道包括与阳极通道连通的阀。该方法还包括选择在燃料电池堆中要找到的最大期望量的氮并计算燃料电池堆中的实际氮量。接下来，该方法提供了将燃料电池堆中的最大期望氮气量与燃料电池堆中的实际氮量进行比较，并且如果燃料电池堆中的实际氮气量大于最大值则打开阀门所需量的燃料电池堆中的氮。该方法基于由于燃料电池堆的年龄而进入阳极通道的氮量，计算燃料电池堆中的氮的实际量。

16. 发明申请

US20090110966A1 Method for Improving FCS Reliability After End Cell Heater Failure 有权
标题翻译：提高终端电池加热器故障后FCS可靠性的方法
公开(公告)号：US20090110966A1
公开(公告)日：2009-04-30
申请号：US11925422
申请日：2007-10-26
申请人： Derek R. Lebzelter , William S. Marley , John P. Salvador , Abdullah B. Alp , Loren Devries
发明人： Derek R. Lebzelter , William S. Marley , John P. Salvador , Abdullah B. Alp , Loren Devries
IPC分类号： H01M8/00
CPC分类号： H01M8/04037 , H01M8/04358 , H01M8/04365 , H01M8/04597 , H01M8/04679 , H01M8/04723 , H01M8/04753 , H01M8/04768 , H01M8/04835 , H01M8/0494
摘要： A method for improving fuel cell system reliability in the event of end cell heater failure in a fuel cell stack. The method includes detecting that an end cell heater has failed. If an end cell heater failure is detected, then the method performs one or more of setting a cooling fluid pump to a predetermined speed that drives a cooling fluid through cooling fluid flow channels in the fuel cell stack, limiting the output power of the fuel cell stack or the net power of the fuel cell system, limiting the maximum temperature of the cooling fluid flowing out of the stack, turning off stack anti-flooding algorithms that may be used to remove water from reactant gas flow channels in the stack, and turning off cathode stoichiometry adjustments for relative humidity control in response to water accumulating in cathode flow channels in the fuel cell stack.
摘要翻译：一种用于在燃料电池堆中终端电池加热器故障的情况下提高燃料电池系统的可靠性的方法。该方法包括检测终端电池加热器是否发生故障。如果检测到终端电池加热器故障，则该方法执行一个或多个将冷却液泵设定到通过燃料电池堆中的冷却流体流动通道驱动冷却流体的预定速度，限制燃料电池的输出功率堆叠或燃料电池系统的净功率，限制流出堆叠的冷却流体的最高温度，关闭可用于从堆叠中的反应气体流动通道去除水的堆叠防淹没算法，以及转动响应于在燃料电池堆中的阴极流动通道中积聚的水，进行相对湿度控制的阴极化学计量调节。

17. 发明申请

US20110033766A1 METHOD FOR DETERMINING IF A FUEL CELL STACK IS OVERHEATING USING STACK END PLATE TEMPERATURE SENSORS 有权
标题翻译：如果燃料电池堆栈使用堆叠端板温度传感器过热，则确定方法
公开(公告)号：US20110033766A1
公开(公告)日：2011-02-10
申请号：US12909696
申请日：2010-10-21
申请人： Abdullah B. Alp , David A. Arthur
发明人： Abdullah B. Alp , David A. Arthur
IPC分类号： H01M8/04
CPC分类号： G01K13/10 , G01K15/00 , H01M8/0267 , H01M8/04007 , H01M8/04358 , H01M8/04365 , H01M8/04679 , H01M8/04686 , H01M8/249 , H01M2008/1095 , Y10T29/49856
摘要： A method for determining whether a fuel cell stack is overheating. The method measures the temperature of end cells in the stack using end cell temperature sensors, and calculates an average end cell temperature based on the end cell temperature measurements. The method also measures the temperature of a cooling fluid being output from the fuel cell stack. The method determines if any of the measured end cell temperatures are outlying by comparing each end cell temperature measurement to the average. The method determines that the cooling fluid outlet temperature sensor has possibly failed if the cooling fluid outlet temperature is greater than the average end cell temperature and the cooling fluid outlet temperature minus the average end cell temperature is greater than a predetermined temperature value.
摘要翻译：一种用于确定燃料电池堆是否过热的方法。该方法使用端单元温度传感器测量堆叠中的端电池的温度，并且基于端电池温度测量来计算平均端电池温度。该方法还测量从燃料电池堆输出的冷却流体的温度。该方法通过将每个终端电池温度测量与平均值进行比较来确定测量的终端电池温度是否偏离。如果冷却流体出口温度大于平均端电池温度并且冷却流体出口温度减去平均端电池温度大于预定温度值，则该方法确定冷却液出口温度传感器可能失效。

18. 发明授权

US08051546B2 Method for determining if a fuel cell stack is overheating using stack end plate temperature sensors 有权
标题翻译：用于确定燃料电池堆是否使用堆垛端板温度传感器过热的方法
公开(公告)号：US08051546B2
公开(公告)日：2011-11-08
申请号：US12909696
申请日：2010-10-21
申请人： Abdullah B. Alp , David A. Arthur
发明人： Abdullah B. Alp , David A. Arthur
IPC分类号： H01M8/04
CPC分类号： G01K13/10 , G01K15/00 , H01M8/0267 , H01M8/04007 , H01M8/04358 , H01M8/04365 , H01M8/04679 , H01M8/04686 , H01M8/249 , H01M2008/1095 , Y10T29/49856
摘要： A method for determining whether a fuel cell stack is overheating. The method measures the temperature of end cells in the stack using end cell temperature sensors, and calculates an average end cell temperature based on the end cell temperature measurements. The method also measures the temperature of a cooling fluid being output from the fuel cell stack. The method determines if any of the measured end cell temperatures are outlying by comparing each end cell temperature measurement to the average. The method determines that the cooling fluid outlet temperature sensor has possibly failed if the cooling fluid outlet temperature is greater than the average end cell temperature and the cooling fluid outlet temperature minus the average end cell temperature is greater than a predetermined temperature value.
摘要翻译：一种用于确定燃料电池堆是否过热的方法。该方法使用端单元温度传感器测量堆叠中的端电池的温度，并且基于端电池温度测量来计算平均端电池温度。该方法还测量从燃料电池堆输出的冷却流体的温度。该方法通过将每个终端电池温度测量与平均值进行比较来确定测量的终端电池温度是否偏离。如果冷却流体出口温度大于平均端电池温度并且冷却流体出口温度减去平均端电池温度大于预定温度值，则该方法确定冷却液出口温度传感器可能失效。

19. 发明申请

US20110123883A1 METHOD FOR MANAGING FUEL CELL POWER INCREASES USING AIR FLOW FEEDBACK DELAY 有权
标题翻译：使用空气流量反馈延迟来管理燃料电池功率的方法
公开(公告)号：US20110123883A1
公开(公告)日：2011-05-26
申请号：US13020294
申请日：2011-02-03
申请人： David A. Arthur , Abdullah B. Alp
发明人： David A. Arthur , Abdullah B. Alp
IPC分类号： H01M8/04
CPC分类号： H01M8/04992 , H01M8/04089 , H01M8/04395 , H01M8/0491
摘要： A method for managing fuel cell power increases in a fuel cell system using an air flow feedback delay. The method comprises the steps of determining a required air mass flow rate at a predetermined point in the fuel cell system, determining an actual air mass flow at a predetermined point in the fuel cell system, calculating an air flow feedback delay as a function of the required air mass flow rate and the actual air mass flow, and delaying an external circuit from increasing current draw from the fuel cell stack by the magnitude of the air flow feedback delay.
摘要翻译：使用空气流反馈延迟的燃料电池系统中用于管理燃料电池功率的方法增加。该方法包括以下步骤：确定燃料电池系统中预定点处的所需空气质量流量，确定燃料电池系统中预定点处的实际空气质量流量，计算作为所需的空气质量流量和实际空气质量流量，并且延迟外部电路不增加来自燃料电池堆的电流消耗乘以气流反馈延迟的大小。

20. 发明授权

US07695839B2 Method for improved power up-transient response in the fuel cell system 有权
标题翻译：用于改善燃料电池系统中的上电瞬变响应的方法
公开(公告)号：US07695839B2
公开(公告)日：2010-04-13
申请号：US11549766
申请日：2006-10-16
申请人： David A. Arthur , Abdullah B. Alp
发明人： David A. Arthur , Abdullah B. Alp
IPC分类号： H01M8/04 , H01M8/12 , H01M8/00
CPC分类号： H01M8/04104 , H01M8/04619 , H01M8/04776 , H01M16/006 , H01M2250/20 , Y02T90/32
摘要： A fuel cell system that employs a method for increasing stack power ramp up for high power up-transients by decoupling the build-up of stack current density from the cathode side pressure. The system gives the compressor power priority during the power up-transient to quickly provide the proper compressor speed, and therefore the proper air mass flow, for the desired current density of the fuel cell stack. The system also maintains the cathode side pressure of the stack low by keeping a cathode back-pressure valve open. By increasing the cathode input airflow rate to the proper level at the power up-transient, the current density of the stack will increase to the desired stack power level. Subsequently, the back-pressure valve is closed to increase the stack voltage to provide the total maximum power achievable by the stack.
摘要翻译：一种燃料电池系统，其采用通过将堆叠电流密度与阴极侧压力的积聚解耦来增加堆叠功率的方法来提高高功率上变频。该系统在上电瞬态期间给出压缩机功率优先权，以便快速提供适当的压缩机速度，并因此提供适当的空气质量流量，用于燃料电池堆的所需电流密度。该系统还通过保持阴极背压阀打开来保持堆的阴极侧压力低。通过在上电瞬变时将阴极输入气流量增加到适当水平，堆叠的电流密度将增加到所需的堆叠功率水平。随后，背压阀关闭以增加堆叠电压，以提供堆叠可实现的总的最大功率。

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