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公开(公告)号：US08647784B2
公开(公告)日：2014-02-11
申请号：US12920432
申请日：2009-11-18
申请人： Katsunori Nishimura , Kenji Yamaga , Osamu Kubota , Ko Takahashi
发明人： Katsunori Nishimura , Kenji Yamaga , Osamu Kubota , Ko Takahashi
CPC分类号： H01M8/0491 , H01M8/0267 , H01M8/04223 , H01M8/04302 , H01M8/04303 , H01M8/04955 , H01M2008/1095 , H01M2250/20 , Y02T90/32
摘要： A fuel cell stack start method is to provide in which without relying on oxidation and reduction condition of an anode, an output reduction of the fuel cell stack can be avoided.In the start method of a solid polymer type fuel cell stack that is comprised of a separator including an anode flow channel for flowing a fuel, another separator including a cathode flow channel for feeding an oxidant and electrodes and an electrolyte interposed between the separators, the method is characterized by performing successively a first step of feeding the fuel to the fuel cell stack under a condition that a cathode is covered by generated water, a second step of forming an oxide layer on the cathode, a third step of feeding the oxidant gas to the fuel cell stack and a fourth step of extracting load current from the fuel cell stack.
摘要翻译： 燃料电池堆起动方法是在不依赖于阳极的氧化还原条件的情况下提供，可以避免燃料电池堆的输出减少。 在由包括用于使燃料流动的阳极流动通道的分离器构成的固体聚合物型燃料电池堆的起动方法中，包括用于供给氧化剂的阴极流动通道和电极以及插入在分离器之间的电解质的另一分离器， 方法的特征在于连续执行在阴极被生成的水覆盖的条件下将燃料供给到燃料电池堆的第一步骤，在阴极上形成氧化物层的第二步骤，将氧化剂气体 并且提供从燃料电池堆提取负载电流的第四步骤。
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公开(公告)号：US20100291448A1
公开(公告)日：2010-11-18
申请号：US12779192
申请日：2010-05-13
申请人： Kenji Yamaga , Katsunori Nishimura , Osamu Kubota
发明人： Kenji Yamaga , Katsunori Nishimura , Osamu Kubota
IPC分类号： H01M8/04
CPC分类号： H01M8/04753 , H01M8/04223 , H01M8/04225 , H01M8/04228 , H01M8/04559
摘要： There is provided a fuel cell system capable of minimizing the formation of a local cell even if the start and the stop are repeated, thereby substantially reducing a degradation in performance of the fuel cell.The fuel cell system includes a fuel cell; a hydrogen supply unit for supplying hydrogen to an anode channel of the fuel cell; an air-amount adjusting unit for adjusting the amount of air supplied to a cathode channel of the fuel cell and discharged from the cathode channel; an external load connected to the fuel cell; and a control unit for controlling an operation of the hydrogen supply unit, the air-amount adjusting unit, and the external load; in which the control unit controls the fuel cell system such that the cathode channel of the fuel cell is filled with air whose pressure is not higher than a saturated vapor pressure at the time of starting the fuel cell system, thereafter, the air is continuously led through the cathode channel of the fuel cell, and a load is drawn from the fuel cell.
摘要翻译： 提供了即使重复开始和停止也能够最小化局部电池的形成的燃料电池系统，从而显着降低燃料电池的性能的劣化。 燃料电池系统包括燃料电池; 用于向燃料电池的阳极通道供给氢的氢供给单元; 空气量调节单元，用于调节供应到燃料电池的阴极通道并从阴极通道排出的空气量; 连接到燃料电池的外部负载; 以及控制单元，用于控制氢气供应单元，空气量调节单元和外部负载的操作; 其中控制单元控制燃料电池系统，使燃料电池的阴极通道充满压力不高于启动燃料电池系统时的饱和蒸气压的空气，之后空气连续地被引导 通过燃料电池的阴极通道，并且从燃料电池抽取负载。
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公开(公告)号：US20110065013A1
公开(公告)日：2011-03-17
申请号：US12920432
申请日：2009-11-18
申请人： Katsunori Nishimura , Kenji Yamaga , Osamu Kubota , Ko Takahashi
发明人： Katsunori Nishimura , Kenji Yamaga , Osamu Kubota , Ko Takahashi
IPC分类号： H01M8/04
CPC分类号： H01M8/0491 , H01M8/0267 , H01M8/04223 , H01M8/04302 , H01M8/04303 , H01M8/04955 , H01M2008/1095 , H01M2250/20 , Y02T90/32
摘要： A fuel cell stack start method is to provide in which without relying on oxidation and reduction condition of an anode, an output reduction of the fuel cell stack can be avoided.In the start method of a solid polymer type fuel cell stack that is comprised of a separator including an anode flow channel for flowing a fuel, another separator including a cathode flow channel for feeding an oxidant and electrodes and an electrolyte interposed between the separators, the method is characterized by performing successively a first step of feeding the fuel to the fuel cell stack under a condition that a cathode is covered by generated water, a second step of forming an oxide layer on the cathode, a third step of feeding the oxidant gas to the fuel cell stack and a fourth step of extracting load current from the fuel cell stack.
摘要翻译： 燃料电池堆起动方法是在不依赖于阳极的氧化还原条件的情况下提供，可以避免燃料电池堆的输出减少。 在由包括用于使燃料流动的阳极流动通道的分离器构成的固体聚合物型燃料电池堆的起动方法中，包括用于供给氧化剂的阴极流动通道和电极以及插入在分离器之间的电解质的另一分离器， 方法的特征在于连续执行在阴极被生成的水覆盖的条件下将燃料供给到燃料电池堆的第一步骤，在阴极上形成氧化物层的第二步骤，将氧化剂气体 并且提供从燃料电池堆提取负载电流的第四步骤。
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公开(公告)号：US20070196706A1
公开(公告)日：2007-08-23
申请号：US11524960
申请日：2006-09-22
IPC分类号： H01M8/04
CPC分类号： H01M8/04126 , H01M8/04007 , H01M8/04365 , H01M8/04552 , H01M8/04559 , H01M8/04589 , H01M8/04753 , H01M8/04761 , H01M8/04768 , H01M8/04843 , H01M8/0491
摘要： The fuel cell system comprises a fuel cell having an anode supplied with fuel gas and a cathode supplied with oxidizing agent gas, a water penetration membrane-type moistening device for collecting moisture contained in cathode off gas discharged from a cathode exit of the fuel cell and moistening oxidizing agent gas, and a moisture regulating means for regulating moisture contained in cathode off gas between the cathode exit of the fuel cell and the water penetration membrane-type moistening device, wherein when operating the fuel cell at more than a predetermined rated load of the fuel cell, moisture contained in cathode off gas is reduced by the moisture regulating means.
摘要翻译： 燃料电池系统包括具有供应有燃料气体的阳极和供给氧化剂气体的阴极的燃料电池，用于收集从燃料电池的阴极出口排出的阴极废气中含有的水分的水渗透膜式润湿装置， 润湿氧化剂气体，以及用于调节燃料电池的阴极出口与水渗透膜式润湿装置之间的阴极废气中含有的水分的水分调节装置，其中当以超过预定的额定负载操作燃料电池时 燃料电池，阴极废气中含有的水分通过水分调节装置减少。
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公开(公告)号：US20080166610A1
公开(公告)日：2008-07-10
申请号：US11923780
申请日：2007-10-25
CPC分类号： H01M8/04291 , H01M8/04007 , H01M8/04097 , H01M8/04179 , H01M8/04223 , H01M8/04225 , H01M16/006
摘要： An object of the present invention is to provide a polymer electrolyte fuel cell capable of producing a high output without causing a drop or instability of the cell voltage of the fuel cell and a generating system having the polymer electrolyte fuel cell mounted thereon.A fuel cell system, wherein if, in a polymer electrolyte fuel cell having a cell comprising separators sandwiching an electrolyte membrane and electrodes, a temperature (Tmax) at which a standard deviation of a cell voltage begins to increase when water content retained in the cell is increased under conditions under which a cell temperature, a gas entrance dew point, and a current are specified and the temperature (Tmin) at which an average value of the cell voltage begins to drop when the gas dew point is decreased under conditions under which the cell temperature, gas entrance dew point, and current are specified are defined, the water content retained in the cell satisfies: upper limit of a maximum amount of water retained in a cell≧water content retained in a cell≧lower limit of a maximum amount of water retained in a cell is provided.
摘要翻译： 本发明的目的是提供能够产生高输出而不引起燃料电池的电池电压的下降或不稳定的固体高分子型燃料电池，以及安装有聚合物电解质燃料电池的发电系统。 一种燃料电池系统，其中，如果在具有包含夹着电解质膜和电极的隔板的电池的聚合物电解质燃料电池中，当在电池中保持水分时，电池电压的标准偏差开始增加的温度（Tmax） 在规定了电池温度，气体入口露点和电流的条件下，在气体露点下降的情况下电池电压的平均值开始下降的温度（Tmin）增加，在此条件下， 规定电池温度，气体入口露点和电流，保留在电池中的水含量满足：保留在电池中的水的最大量的上限> =保留在电池中的水含量> =下限 提供保留在电池中的最大量的水。
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公开(公告)号：US20050084731A1
公开(公告)日：2005-04-21
申请号：US10686480
申请日：2003-10-16
CPC分类号： H01M8/0258 , H01M8/0267 , H01M8/04126 , H01M8/1023 , H01M8/1039 , H01M8/241 , H01M8/2457 , H01M8/2483 , H01M8/2484
摘要： The fuel cell assembly disclosed includes at least one unit fuel cell comprising a separator having flow channels for oxidizing gas, a cathode to which the oxidizing gas is fed, a membrane electrolyte of proton conductivity, an anode to which fuel gas is fed, and a separator having flow channels for the fuel gas, the above members being arranged in order. The fuel cell assembly further comprises a humidifier having a porous member to humidify at least the oxidizing gas to be fed to the anode. The porous member of the humidifier is so disposed as to face at least the flow channels for the oxidizing gas so that water is supplied to the flow channels from part of the surface of the porous member opposite to the water supplying face and/or from the outer periphery of the porous member.
摘要翻译： 所公开的燃料电池组件包括至少一个单元燃料电池，其包括具有用于氧化气体的流动通道的隔板，供给氧化气体的阴极，质子传导性的膜电解质，供给燃料气体的阳极和 分离器具有用于燃料气体的流动通道，上述构件依次布置。 燃料电池组件还包括具有多孔构件的加湿器，用于至少加湿待供给阳极的氧化气体。 加湿器的多孔构件被设置为至少面对氧化气体的流动通道，使得水从多孔构件的与供水面相对的一部分表面和/或从供水面供给到流动通道 多孔构件的外周。
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公开(公告)号：US20080081242A1
公开(公告)日：2008-04-03
申请号：US11626881
申请日：2007-01-25
IPC分类号： H01M2/14
CPC分类号： H01M8/0228 , H01M8/0206 , H01M8/026
摘要： A separator for fuel cell comprising an electrolyte with ionic conductivity, a pair of electrodes with the electrolyte sandwiched therebetween, and a separator 10 for individually supplying a fuel gas and an oxidizing agent gas to the pair of the electrodes, respectively, wherein the separator 10 is provided with a multilayered metal sheet with at least the outermost layer thereof, and a corrosion-resistant film covering the whole surface of the metal sheet in order to form a metal separator, and the metal separator is further provided with a reacting gas sealing unit 21, a reacting gas manifold junction unit 22, and a reacting gas rectification unit 23, formed of an elastic body.
摘要翻译： 一种用于燃料电池的隔板，其包括具有离子导电性的电解质，一对电极夹在其间的电极以及用于分别向所述一对电极单独供应燃料气体和氧化剂气体的隔板10，其中隔板10 设置有至少具有最外层的多层金属片和覆盖金属片的整个表面的耐腐蚀膜以形成金属隔板，并且金属隔板还设置有反应气体密封单元 21，反应气体歧管接合单元22和由弹性体形成的反应气体整流单元23。
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公开(公告)号：US08197987B2
公开(公告)日：2012-06-12
申请号：US11626881
申请日：2007-01-25
IPC分类号： H01M8/04
CPC分类号： H01M8/0228 , H01M8/0206 , H01M8/026
摘要： A separator for fuel cell comprising an electrolyte with ionic conductivity, a pair of electrodes with the electrolyte sandwiched therebetween, and a separator 10 for individually supplying a fuel gas and an oxidizing agent gas to the pair of the electrodes, respectively, wherein the separator 10 is provided with a multilayered metal sheet with at least the outermost layer thereof, and a corrosion-resistant film covering the whole surface of the metal sheet in order to form a metal separator, and the metal separator is further provided with a reacting gas sealing unit 21, a reacting gas manifold junction unit 22, and a reacting gas rectification unit 23, formed of an elastic body.
摘要翻译： 一种用于燃料电池的隔板，其包括具有离子导电性的电解质，一对电极夹在其间的电极以及用于分别向所述一对电极单独供应燃料气体和氧化剂气体的隔板10，其中隔板10 设置有至少具有最外层的多层金属片和覆盖金属片的整个表面的耐腐蚀膜以形成金属隔板，并且金属隔板还设置有反应气体密封单元 21，反应气体歧管接合单元22和由弹性体形成的反应气体整流单元23。
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公开(公告)号：US07745032B2
公开(公告)日：2010-06-29
申请号：US10686480
申请日：2003-10-16
IPC分类号： H01M8/04
CPC分类号： H01M8/0258 , H01M8/0267 , H01M8/04126 , H01M8/1023 , H01M8/1039 , H01M8/241 , H01M8/2457 , H01M8/2483 , H01M8/2484
摘要： The fuel cell assembly disclosed includes at least one unit fuel cell comprising a separator having flow channels for oxidizing gas, a cathode to which the oxidizing gas is fed, a membrane electrolyte of proton conductivity, an anode to which fuel gas is fed, and a separator having flow channels for the fuel gas, the above members being arranged in order. The fuel cell assembly further comprises a humidifier having a porous member to humidify at least the fuel gas to be fed to the anode. The porous member of the humidifier is so disposed as to face at least the flow channels for the oxidizing gas so that water is supplied to the flow channels from part of the surface of the porous member opposite to the water supplying face and/or from the outer periphery of the porous member.
摘要翻译： 所公开的燃料电池组件包括至少一个单元燃料电池，其包括具有用于氧化气体的流动通道的隔板，供给氧化气体的阴极，质子传导性的膜电解质，供给燃料气体的阳极和 分离器具有用于燃料气体的流动通道，上述构件依次布置。 燃料电池组件还包括具有多孔构件的加湿器，用于至少加湿待供给阳极的燃料气体。 加湿器的多孔构件被设置为至少面对氧化气体的流动通道，使得水从多孔构件的与供水面相对的一部分表面和/或从供水面供给到流动通道 多孔构件的外周。
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公开(公告)号：US20080081235A1
公开(公告)日：2008-04-03
申请号：US11698110
申请日：2007-01-26
IPC分类号： H01M8/04
CPC分类号： H01M8/04007 , H01M8/04223 , H01M8/04225 , H01M8/04228 , H01M8/04231 , H01M8/04365 , H01M8/04388 , H01M8/04395 , H01M8/04559 , H01M8/04589 , H01M8/04679 , H01M8/04753 , H01M8/04761 , H01M8/04798 , H01M8/04917 , H01M8/04955 , H01M2008/1095
摘要： A fuel cell system having a fuel cell 1, a load 8 connected to the output line of the fuel cell 1 and a control apparatus 20 for controlling an amount of current flowing to the load 8, wherein a stopping state for stopping the fuel cell system includes a first stage stopping state for stopping while remaining hydrogen in the hydrogen line and a second stage stopping state for stopping substituting the hydrogen line with air, and transfers to the second stage stopping state by way of the first stage stopping state.
摘要翻译： 一种燃料电池系统，具有燃料电池1，连接到燃料电池1的输出线的负载8和用于控制流向负载8的电流量的控制装置20，其中停止燃料电池系统 包括在氢气管线中保持氢气时停止的第一级停止状态和用于停止用空气代替氢气管线的第二级停止状态，并且通过第一级停止状态转移到第二级停止状态。
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