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公开(公告)号：US08158288B2
公开(公告)日：2012-04-17
申请号：US13092223
申请日：2011-04-22
CPC分类号： H01M8/04119 , H01M8/04253 , H01M2008/1095
摘要： A model uses various operating characteristics of a fuel cell to predict the relative humidity profile that is occurring within the fuel cell as a function of the reaction progress. The model is used to predict the relative humidity profile that will occur in response to changes to one or more of the operating characteristics of the fuel cell. A high frequency resistance of the fuel cell can also be used as a measure that is indicative of the humidity within the fuel cell. The model and/or the high frequency resistance can be used in a closed-loop feedback system to control the operation of the fuel cell to maintain the humidification of the MEA and fuel cells within a desired range to achieve a desired fuel cell performance.
摘要翻译： 模型使用燃料电池的各种操作特性来预测在燃料电池内发生的相对湿度分布作为反应进程的函数。 该模型用于预测响应于燃料电池的一个或多个操作特性的变化而发生的相对湿度分布。 燃料电池的高频电阻也可以用作指示燃料电池内的湿度的措施。 该模型和/或高频阻抗可以用在闭环反馈系统中以控制燃料电池的操作，以将MEA和燃料电池的加湿保持在期望的范围内，以实现期望的燃料电池性能。
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公开(公告)号：US20110207010A1
公开(公告)日：2011-08-25
申请号：US13092223
申请日：2011-04-22
IPC分类号： H01M8/04
CPC分类号： H01M8/04119 , H01M8/04253 , H01M2008/1095
摘要： A model uses various operating characteristics of a fuel cell to predict the relative humidity profile that is occurring within the fuel cell as a function of the reaction progress. The model is used to predict the relative humidity profile that will occur in response to changes to one or more of the operating characteristics of the fuel cell. A high frequency resistance of the fuel cell can also be used as a measure that is indicative of the humidity within the fuel cell. The model and/or the high frequency resistance can be used in a closed-loop feedback system to control the operation of the fuel cell to maintain the humidification of the MEA and fuel cells within a desired range to achieve a desired fuel cell performance.
摘要翻译： 模型使用燃料电池的各种操作特性来预测在燃料电池内发生的相对湿度分布作为反应进程的函数。 该模型用于预测响应于燃料电池的一个或多个操作特性的变化而发生的相对湿度分布。 燃料电池的高频电阻也可以用作指示燃料电池内的湿度的措施。 该模型和/或高频阻抗可以用在闭环反馈系统中以控制燃料电池的操作，以将MEA和燃料电池的加湿保持在期望的范围内，以实现期望的燃料电池性能。
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公开(公告)号：US07976991B2
公开(公告)日：2011-07-12
申请号：US11130825
申请日：2005-05-17
CPC分类号： H01M8/04119 , H01M8/04253 , H01M2008/1095
摘要： A model uses various operating characteristics of a fuel cell to predict the relative humidity profile that is occurring within the fuel cell as a function of the reaction progress. The model is used to predict the relative humidity profile that will occur in response to changes to one or more of the operating characteristics of the fuel cell. A high frequency resistance of the fuel cell can also be used as a measure that is indicative of the humidity within the fuel cell. The model and/or the high frequency resistance can be used in a closed-loop feedback system to control the operation of the fuel cell to maintain the humidification of the MEA and fuel cells within a desired range to achieve a desired fuel cell performance.
摘要翻译： 模型使用燃料电池的各种操作特性来预测在燃料电池内发生的相对湿度分布作为反应进程的函数。 该模型用于预测响应于燃料电池的一个或多个操作特性的变化而发生的相对湿度分布。 燃料电池的高频电阻也可以用作指示燃料电池内的湿度的措施。 该模型和/或高频阻抗可以用在闭环反馈系统中以控制燃料电池的操作，以将MEA和燃料电池的加湿保持在期望的范围内，以实现期望的燃料电池性能。
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公开(公告)号：US07597975B2
公开(公告)日：2009-10-06
申请号：US11434385
申请日：2006-05-15
CPC分类号： H01M8/04522 , H01M8/04126 , H01M8/0432 , H01M8/04843 , H01M2008/1095
摘要： A fuel cell system that includes an over-arching algorithm for providing a strategy that reduces relative humidity cycling of the cathode outlet gas between wet and dry operation to extend the useful life of the membrane. The algorithm receives sensor signals indicative of operating parameters of the fuel cell system. The algorithm maintains a cathode exhaust gas relative humidity in a wet operating mode if the operating parameters of the fuel cell system are able to sustain the cathode gas relative humidity above a first predetermined value, and maintains the cathode exhaust gas relative humidity in a dry operating mode if the operating parameters of the fuel cell system are able to sustain the cathode gas relative humidity below a second predetermined value.
摘要翻译： 一种燃料电池系统，其包括用于提供在湿和干运行之间减少阴极出口气体的相对湿度循环以延长膜的使用寿命的策略的叠加算法。 该算法接收指示燃料电池系统的操作参数的传感器信号。 如果燃料电池系统的操作参数能够将阴极气体的相对湿度维持在高于第一预定值的情况下，该算法在湿式操作模式中保持阴极排气相对湿度，并且将阴极废气相对湿度保持在干燥操作 如果燃料电池系统的操作参数能够将阴极气体相对湿度维持在低于第二预定值的情况下。
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5.发明申请ANODE ACCUMULATION TANK WITH HIGH NITROGEN CONCENTRATION BLEED FOR A FUEL CELL STACK FUEL DELIVERY SYSTEM 有权用于燃料电池堆栈燃料输送系统的高氮浓度的阳极累积罐公开(公告)号：US20080187793A1
公开(公告)日：2008-08-07
申请号：US11671017
申请日：2007-02-05
申请人： Jon P. Owejan , John C. Fagley , Steven G. Goebel
发明人： Jon P. Owejan , John C. Fagley , Steven G. Goebel
IPC分类号： H01M8/04
CPC分类号： H01M8/0228 , H01M8/04097 , H01M8/04164 , H01M8/04179
摘要： A fuel cell system is described having a fuel cell stack including a PEM fuel cell having an anode and a cathode, the fuel cell stack further including an anode outlet and an anode inlet, a hydrogen storage device in communication with the anode inlet and configured to supply a hydrogen gas to the fuel cell stack, and an accumulation reservoir in communication with the anode outlet of the fuel cell stack. The accumulation reservoir is configured to accumulate a quantity of water and an exhaust stream including the hydrogen gas during a purge event and resupply the exhaust stream to the fuel cell stack after the purge event is complete. The accumulation reservoir can be a second fuel cell stack. A method of operating the fuel cell system is also provided.
摘要翻译： 燃料电池系统被描述为具有包括具有阳极和阴极的PEM燃料电池的燃料电池堆，燃料电池堆还包括阳极出口和阳极入口，与阳极入口连通的氢存储装置， 向燃料电池堆供应氢气，以及与燃料电池堆的阳极出口连通的蓄积池。 累积储存器被配置为在净化事件期间累积一定量的水和包括氢气的废气流，并且在清除事件完成之后将废气流重新供应到燃料电池堆。 蓄积容器可以是第二燃料电池堆。 还提供了操作燃料电池系统的方法。
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公开(公告)号：US07862935B2
公开(公告)日：2011-01-04
申请号：US11130807
申请日：2005-05-17
CPC分类号： H01M8/04126 , H01M8/0258 , H01M8/0267 , H01M8/04223 , H01M8/04302 , H01M8/04335 , H01M8/04358 , H01M8/04395 , H01M8/04455 , H01M8/04507 , H01M8/04529 , H01M8/04559 , H01M8/04589 , H01M8/04708 , H01M8/04723 , H01M8/04753 , H01M8/04768 , H01M8/04835 , H01M8/0485 , H01M8/04992 , H01M8/241 , H01M8/2457
摘要： A strategy of controlling a state of hydration of a fuel cell(s) and actively managing operation of the fuel cell(s) to achieve a desired state of hydration. The control strategy monitors the state of hydration and a rate of change of the state of hydration which are used to control the operation of the fuel cell(s). A supervisory control strategy is implemented that alters the operating parameters of the fuel cell(s) based upon the state of hydration, the rate of change of the state of hydration, and a desired operational range for the state of hydration.
摘要翻译： 控制燃料电池的水合状态并主动管理燃料电池的操作以实现期望的水合状态的策略。 控制策略监测用于控制燃料电池运行的水合状态和水合状态变化率。 执行监督控制策略，其基于水合状态，水合状态的变化率以及水合状态的期望操作范围来改变燃料电池的操作参数。
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7.发明授权Anode accumulation tank with high nitrogen concentration bleed for a fuel cell stack fuel delivery system 有权用于燃料电池堆燃料输送系统的具有高氮浓度的阳极积聚罐公开(公告)号：US07960062B2
公开(公告)日：2011-06-14
申请号：US11671017
申请日：2007-02-05
申请人： Jon P. Owejan , John C. Fagley , Steven G. Goebel
发明人： Jon P. Owejan , John C. Fagley , Steven G. Goebel
IPC分类号： H01M8/04
CPC分类号： H01M8/0228 , H01M8/04097 , H01M8/04164 , H01M8/04179
摘要： A fuel cell system is described having a fuel cell stack including a PEM fuel cell having an anode and a cathode, the fuel cell stack further including an anode outlet and an anode inlet, a hydrogen storage device in communication with the anode inlet and configured to supply a hydrogen gas to the fuel cell stack, and an accumulation reservoir in communication with the anode outlet of the fuel cell stack. The accumulation reservoir is configured to accumulate a quantity of water and an exhaust stream including the hydrogen gas during a purge event and resupply the exhaust stream to the fuel cell stack after the purge event is complete. The accumulation reservoir can be a second fuel cell stack. A method of operating the fuel cell system is also provided.
摘要翻译： 燃料电池系统被描述为具有包括具有阳极和阴极的PEM燃料电池的燃料电池堆，燃料电池堆还包括阳极出口和阳极入口，与阳极入口连通的氢存储装置， 向燃料电池堆供应氢气，以及与燃料电池堆的阳极出口连通的蓄积池。 累积储存器被配置为在净化事件期间累积一定量的水和包括氢气的废气流，并且在清除事件完成之后将废气流重新供应到燃料电池堆。 蓄积容器可以是第二燃料电池堆。 还提供了操作燃料电池系统的方法。
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公开(公告)号：US08507141B2
公开(公告)日：2013-08-13
申请号：US12868487
申请日：2010-08-25
IPC分类号： H01M8/04
CPC分类号： H01M8/04992 , H01M8/04097 , H01M8/04111 , H01M8/04231 , H01M8/04402 , H01M8/04462 , H01M8/04746 , H01M8/04791
摘要： A system and method for correcting an estimation of nitrogen in an anode side of a fuel cell stack. The system includes a fuel cell stack and a pressure sensor for measuring pressure in an anode sub-system. The system also includes a controller configured to control the estimation of nitrogen permeation from the cathode side to the anode side of the stack, where the controller determines if the pressure in the anode sub-system equilibrates with atmospheric pressure in a shorter period of time after shutdown compared to the time necessary for the anode sub-system to reach approximately atmospheric pressure after a previous shutdown or calibrated time value, and corrects the estimation of nitrogen in the anode side of the stack if the pressure equilibrates in a shorter period of time.
摘要翻译： 一种用于校正燃料电池堆的阳极侧的氮的估计的系统和方法。 该系统包括用于测量阳极子系统中的压力的燃料电池堆和压力传感器。 该系统还包括控制器，其被配置为控制从堆的阴极侧到阳极侧的氮气渗透的估计，其中控制器确定阳极子系统中的压力是否在大气压力之后在更短的时间段内平衡 与阳极子系统在先前停机或校准时间值之后达到大致压力所需的时间相比，如果压力在更短的时间内平衡，则校正堆叠阳极侧的氮气的估计。
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公开(公告)号：US20120052408A1
公开(公告)日：2012-03-01
申请号：US12868487
申请日：2010-08-25
CPC分类号： H01M8/04992 , H01M8/04097 , H01M8/04111 , H01M8/04231 , H01M8/04402 , H01M8/04462 , H01M8/04746 , H01M8/04791
摘要： A system and method for correcting an estimation of nitrogen in an anode side of a fuel cell stack. The system includes a fuel cell stack and a pressure sensor for measuring pressure in an anode sub-system. The system also includes a controller configured to control the estimation of nitrogen permeation from the cathode side to the anode side of the stack, where the controller determines if the pressure in the anode sub-system equilibrates with atmospheric pressure in a shorter period of time after shutdown compared to the time necessary for the anode sub-system to reach approximately atmospheric pressure after a previous shutdown or calibrated time value, and corrects the estimation of nitrogen in the anode side of the stack if the pressure equilibrates in a shorter period of time.
摘要翻译： 一种用于校正燃料电池堆的阳极侧的氮的估计的系统和方法。 该系统包括用于测量阳极子系统中的压力的燃料电池堆和压力传感器。 该系统还包括控制器，其被配置为控制从堆的阴极侧到阳极侧的氮气渗透的估计，其中控制器确定阳极子系统中的压力是否在大气压力之后在更短的时间段内平衡 与阳极子系统在先前停机或校准时间值之后达到大致压力所需的时间相比，如果压力在更短的时间内平衡，则校正堆叠阳极侧的氮气的估计。
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10.发明授权Using an effectiveness approach to model a fuel cell membrane humidification device 有权使用有效的方法来模拟燃料电池膜加湿装置公开(公告)号：US08431276B2
公开(公告)日：2013-04-30
申请号：US12755315
申请日：2010-04-06
申请人： Yan Zhang , John C. Fagley
发明人： Yan Zhang , John C. Fagley
CPC分类号： G05D22/02 , H01M4/0471
摘要： A method for determining the water transfer in a water vapor transfer unit of a fuel cell system that employs a model based approach. The method includes determining a capacity ratio of wet streams and dry streams flowing through the water vapor transfer unit, determining the number of mass transfer units of the water vapor transfer unit, estimating a mass transfer effectiveness value given the capacity ratio and the number of mass transfer units for the water vapor transfer unit, and determining the amount of water transferred in the water vapor transfer unit using the mass transfer effectiveness value, the mass flow rates on a dry basis of the dry stream and the wet stream, and the mass flow rates of water of the dry inlet stream and the wet inlet stream.
摘要翻译： 一种用于确定采用基于模型的方法的燃料电池系统的水蒸气转移单元中的水分传递的方法。 该方法包括确定流经水蒸汽转移单元的湿流和干流的容量比，确定水蒸汽转移单元的传质单元数，估计容量比和质量数的质量传递有效值 用于水蒸汽转移单元的转移单元，以及使用传质有效性值确定在水蒸汽转移单元中传输的水的量，干流和湿流干质量流量以及质量流量 干燥入口流和湿入口流的水速率。
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