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    • 71. 发明申请
    • FUEL CELL SYSTEM AND CONTROL METHOD THEREOF
    • 燃料电池系统及其控制方法
    • US20150214561A1
    • 2015-07-30
    • US14373831
    • 2012-03-08
    • Yasushi ArakiHitoshi HamadaHiroaki Takeuchi
    • Yasushi ArakiHitoshi HamadaHiroaki Takeuchi
    • H01M8/04
    • H01M8/04179H01M8/04201H01M8/04228H01M8/04231H01M8/04253H01M2008/1095H01M2250/20Y02E60/50Y02T90/32
    • A fuel cell system 100 includes a fuel cell 10, a cathode gas supply system 30, a supply valve 34, an exhaust valve 43 and a controller 20. The fuel cell 10 has a supply manifold M1, an exhaust manifold M2, and a power generation area GA connected with these manifolds M1 and M2. The cathode gas supply system 30 causes a gas to be flowed into the supply manifold M1. The supply valve 34 is operable to seal the supply manifold M1, whereas the exhaust valve 43 is operable to seal the exhaust manifold M2. The controller 20 closes the supply valve 34 and the exhaust valve 43 after operation stop of the fuel cell 10 to seal the fuel cell 10 under a specified pressure and then waits for a predefined time. The controller 20 subsequently opens the supply valve 34 to move water remaining in the power generation area GA on the flow of the gas toward outside of the power generation area GA.
    • 燃料电池系统100包括燃料电池10,阴极气体供给系统30,供给阀34,排气阀43和控制器20.燃料电池10具有供给歧管M1,排气歧管M2和电力 与这些歧管M1和M2连接的发电区GA。 阴极气体供给系统30使气体流入供给歧管M1。 供给阀34可操作以密封供应歧管M1,而排气阀43可操作以密封排气歧管M2。 在燃料电池10的操作停止之后,控制器20关闭供给阀34和排气阀43,以在特定压力下密封燃料电池10,然后等待预定时间。 控制器20随后打开供给阀34,以将气体流动中的剩余在发电区域GA中的水移动到发电区域GA的外部。
    • 72. 发明授权
    • Hydrogen concentration measurement device and fuel cell system
    • 氢浓度测量装置和燃料电池系统
    • US08920992B2
    • 2014-12-30
    • US13122064
    • 2009-06-08
    • Sho UsamiYasushi Araki
    • Sho UsamiYasushi Araki
    • H01M8/04G01N27/407H01M8/10
    • H01M8/04462G01N27/4074H01M8/04097H01M8/0444H01M8/04544H01M8/04552H01M8/04895H01M8/04902H01M2008/1095H01M2250/00Y02E60/50
    • In a hydrogen concentration measurement device that employs a proton conducting electrolyte membrane, more stable measurement of hydrogen concentration that is less susceptible to temperature and humidity state of measurement target gas becomes possible.A hydrogen concentration measurement device for measuring concentration of hydrogen contained in measurement target gas, including a hydrogen permeation module having an entrance electrode and an exit electrode provided with a proton conducting electrolyte membrane sandwiched therebetween, the hydrogen permeation module selectively permeating hydrogen contained in the measurement target gas to the exit electrode by having the measurement target gas introduced into the entrance electrode and also by having current flowing between the entrance electrode and the exit electrode, and concentration of hydrogen contained in the measurement target gas is calculated based on, with the target gas introduced into the entrance electrode and with the current flowing between the entrance electrode and the exit electrode, a reaching time period ranging from a predetermined start time at which the current was initially applied to a time at which time rate of change of applied voltage between the entrance electrode and the exit electrode reaches a predetermined time rate of change.
    • 在使用质子传导性电解质膜的氢浓度测定装置中,能够对测定对象气体的温度和湿度状态较不敏感的氢浓度进行更稳定的测定。 一种用于测量测量目标气体中所含的氢浓度的氢浓度测量装置,包括具有入口电极的氢渗透模块和设置有夹在其间的质子传导电解质膜的出口电极,所述氢渗透模块选择性渗透包含在测量中的氢 通过使测量对象气体引入到入口电极中并且还通过在入口电极和出口电极之间流动的电流将目标气体导出到出口电极,并且基于目标气体计算测量目标气体中所含的氢浓度 引入入口电极的气体和在入口电极和出口电极之间流动的电流,达到从初始施加电流的预定开始时间到施加电压之间的施加电压变化时间的时间 内在的 nce电极和出口电极达到预定的时间变化率。
    • 74. 发明授权
    • Fuel cell system
    • 燃料电池系统
    • US08426072B2
    • 2013-04-23
    • US12678917
    • 2009-05-20
    • Sho UsamiYasushi Araki
    • Sho UsamiYasushi Araki
    • H01M8/06
    • H01M8/04798H01M8/04097H01M8/04231H01M8/04462
    • A hydrogen circulation type fuel cell system equipped with an electrochemical cell executes discharging an anode off-gas with impurities being condensed toward the outside of the system at a proper timing. The fuel cell system having a circulation route so that a fuel gas containing hydrogen is supplied on the side of an anode electrode for electrochemical reaction in a fuel cell and a part or whole of an anode off-gas given from the fuel cell can be circulated on the side of the anode electrode of the fuel cell again for the electrochemical reaction, includes an electrochemical cell enabling the hydrogen in the anode off-gas flowing through the circulation route by flowing the current between electrodes to be selectively supplied on the side of the anode electrode, in which a discharge timing of discharging the anode off-gas in the inlet port electrode of the electrochemical cell toward the outside of the system is controlled based on a predetermined discharge reference determined by a correlation between electric power consumed for hydrogen transmission in the electrochemical cell and a residual hydrogen concentration in the anode off-gas discharged by a discharge unit.
    • 配备有电化学电池的氢循环型燃料电池系统执行排出阳极废气,杂质在适当的时机朝向系统的外部冷凝。 具有循环路径的燃料电池系统,使得在燃料电池中的用于电化学反应的阳极电极的一侧供应含氢的燃料气体,并且可以循环从燃料电池得到的阳极废气的一部分或全部 在燃料电池的阳极电极的一侧再次用于电化学反应,包括电化学电池,其使阳极废气中的氢气流过循环路线,使电流在电极之间流动,以选择性地供应在 基于通过由氢传递消耗的电力之间的相关性确定的预定放电参考值来控制将电化学电池的入口电极中的阳极废气排出到系统外部的排出正时的阳极电极 电化学电池和通过放电单元排出的阳极废气中的残留氢浓度。
    • 77. 发明申请
    • FUEL CELL SYSTEM
    • 燃油电池系统
    • US20110217601A1
    • 2011-09-08
    • US12678917
    • 2009-05-20
    • Sho UsamiYasushi Araki
    • Sho UsamiYasushi Araki
    • H01M8/06
    • H01M8/04798H01M8/04097H01M8/04231H01M8/04462
    • A hydrogen circulation type fuel cell system equipped with an electrochemical cell executes discharging an anode off-gas with impurities being condensed toward the outside of the system at a proper timing. The fuel cell system having a circulation route so that a fuel gas containing hydrogen is supplied on the side of an anode electrode for electrochemical reaction in a fuel cell and a part or whole of an anode off-gas given from the fuel cell can be circulated on the side of the anode electrode of the fuel cell again for the electrochemical reaction, includes an electrochemical cell enabling the hydrogen in the anode off-gas flowing through the circulation route by flowing the current between electrodes to be selectively supplied on the side of the anode electrode, in which a discharge timing of discharging the anode off-gas in the inlet port electrode of the electrochemical cell toward the outside of the system is controlled based on a predetermined discharge reference determined by a correlation between electric power consumed for hydrogen transmission in the electrochemical cell and a residual hydrogen concentration in the anode off-gas discharged by a discharge unit.
    • 配备有电化学电池的氢循环型燃料电池系统执行排出阳极废气,杂质在适当的时机朝向系统的外部冷凝。 具有循环路径的燃料电池系统,使得在燃料电池中的用于电化学反应的阳极电极的一侧供应含氢的燃料气体,并且可以循环从燃料电池得到的阳极废气的一部分或全部 在燃料电池的阳极电极的一侧再次用于电化学反应,包括电化学电池,其使阳极废气中的氢气流过循环路线,使电流在电极之间流动,以选择性地供应在 基于通过由氢传递消耗的电力之间的相关性确定的预定放电参考值来控制将电化学电池的入口电极中的阳极废气排出到系统外部的排出正时的阳极电极 电化学电池和通过放电单元排出的阳极废气中的残留氢浓度。
    • 79. 发明授权
    • Fuel cell
    • 燃料电池
    • US07531266B2
    • 2009-05-12
    • US10994345
    • 2004-11-23
    • Seiji SanoYasushi Araki
    • Seiji SanoYasushi Araki
    • H01M2/14H01M8/04
    • H01M8/023H01M8/0228H01M8/0258H01M8/026H01M8/0267H01M8/04014H01M8/04074H01M8/04089H01M8/04156H01M8/04253
    • In a fuel cell, a porous portion is formed in a separator. At a surface of the porous portion opposite to a surface where a reactant gas passage is formed, a cooling gas passage is formed. The cooling gas passage may be fluidly connected to a reactant gas supply passage for supplying reactant gas to the fuel cell. The cooling gas passage is controllable in flow amount. The porous portion is formed only in a separator portion where a downstream portion of the reactant gas passage is located. At a separator portion where an upstream portion of the reactant gas passage is located, a coolant passage is formed. A rib and a rib-bottom portion have a great porosity. A groove may be filled with porous material. The porous portion may be replaced by a water exchange portion. A portion of the separator other than the region of the porous portion may be made by porous material. Due to these, a fuel cell can be obtained where removal of product water is improved, product water can be utilized for humidifying gas, and product water can be uniformly removed.
    • 在燃料电池中,在隔板中形成多孔部分。 在与形成有反应物气体通道的表面相对的多孔部分的表面处,形成冷却气体通道。 冷却气体通道可以流体地连接到用于向燃料电池供应反应气体的反应气供给通道。 冷却气体通道的流量是可控的。 多孔部分仅形成在反应气体通道的下游部分所在的分隔部分。 在位于反应物气体通道的上游部分的分隔部分处,形成冷却剂通道。 肋和肋底部分具有很大的孔隙率。 凹槽可以填充有多孔材料。 多孔部分可以由水交换部分代替。 除了多孔部分的区域之外的分隔件的一部分可以由多孔材料制成。 由于这些,可以获得改善产品水的去除的燃料电池,可以将产品水用于加湿气体,并且均匀地除去产品水。