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    • 4. 发明申请
    • FUEL CELL SYSTEM
    • 燃油电池系统
    • US20130295477A1
    • 2013-11-07
    • US13574709
    • 2011-01-28
    • Ryoichi NanbaYasushi Araki
    • Ryoichi NanbaYasushi Araki
    • H01M8/04
    • H01M8/04291H01M8/04089H01M8/04388H01M8/04514H01M8/04552H01M8/04746H01M8/04828H01M8/04873
    • A fuel cell system having a fuel cell operated under non-humidified conditions that includes a polymer electrolyte membrane sandwiched between an anode and a cathode, a fuel gas channel facing the anode to supply it with fuel gas, an oxidant gas channel facing the cathode to supply it with oxidant gas, and a flow direction of the fuel gas and the oxidant gas are opposite. The fuel cell system may control a water vapor amount at an outlet of the fuel gas channel based on a value that is set based on a relationship between a voltage of the fuel cell and the water vapor amount. The fuel cell system may control an average flow rate of the fuel gas in the fuel gas channel based on a value that is set based on a relationship between a voltage of the fuel cell and the average flow rate.
    • 一种燃料电池系统,其具有在非加湿条件下工作的燃料电池,所述燃料电池包括夹在阳极和阴极之间的聚合物电解质膜,面对阳极的燃料气体通道,供给燃料气体,与阴极相对的氧化剂气体通道 供给氧化剂气体,燃料气体和氧化剂气体的流动方向相反。 燃料电池系统可以基于基于燃料电池的电压和水蒸汽量之间的关系设定的值来控制燃料气体通道的出口处的水蒸气量。 燃料电池系统可以基于基于燃料电池的电压与平均流量之间的关系设定的值来控制燃料气体通道中的燃料气体的平均流量。
    • 5. 发明申请
    • FUEL CELL SYSTEM AND FUEL CELL STATE DETECTION METHOD
    • 燃料电池系统和燃料电池状态检测方法
    • US20110200902A1
    • 2011-08-18
    • US13125374
    • 2009-10-27
    • Yasushi Araki
    • Yasushi Araki
    • H01M8/04
    • H01M8/04552G01R31/396H01M8/04671H01M8/04679H01M8/249
    • A fuel cell system (100) includes: a fuel cell stack (10) formed by stacking a plurality of call groups each of which includes at least one cell (11); voltage detection units (41) that detect cell group voltages of the respective cell groups; and a determination unit (52) that determines whether the cell group voltage of a determination-target cell group that is selected from among the plurality of cell groups is equal to or lower than the threshold voltage that is obtained based on the average value and the standard deviation of the cell group voltages of the cell groups in a population that is formed of at least two of the cell groups selected from among the plurality of cell groups.
    • 燃料电池系统(100)包括:燃料电池堆(10),其通过堆叠多个呼叫组而形成,每个呼叫组包括至少一个小区(11); 电压检测单元(41),其检测各个单元组的单元组电压; 以及确定单元(52),其确定从所述多个单元组中选择的所述确定对象单元组的单元组电压是否等于或小于基于所述平均值获得的阈值电压,以及 由选自多个细胞组中的至少两个细胞群形成的群体中的细胞群的细胞组电压的标准偏差。
    • 6. 发明申请
    • HYDROGEN CONCENTRATION MEASUREMENT DEVICE AND FUEL CELL SYSTEM
    • 氢浓度测量装置和燃料电池系统
    • US20110177403A1
    • 2011-07-21
    • US13122064
    • 2009-06-08
    • Sho UsamiYasushi Araki
    • Sho UsamiYasushi Araki
    • H01M8/06G01N27/407
    • 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。