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    • 9. 发明申请
    • AIR-COOLED FUEL CELL SYSTEM
    • 空气冷却燃料电池系统
    • WO2006095926A2
    • 2006-09-14
    • PCT/JP2006305306
    • 2006-03-10
    • TOYOTA MOTOR CO LTDMURATA SHIGEAKINAKANISHI HARUYUKI
    • MURATA SHIGEAKINAKANISHI HARUYUKI
    • H01M8/04014H01M8/0267H01M8/04067H01M8/0432H01M8/04753H01M8/04776H01M2008/1095
    • In an air-cooled fuel cell system 10, a controlling apparatus 100 performs a temperature controlling process on the basis of the temperature of a fuel cell detected by a temperature sensor 500. At this time, if the cell temperature is greater than a target temperature Ta and if the cell temperature is less than a threshold temperature Tth for defining a boundary between (i) a temperature group TG1, in which a change in a cell voltage is small relative to the stoichiometric ratio of the air for power generation, and (ii) a temperature group TG2, in which a change in the cell voltage is large relative to the stoichiometric ratio of the air for power generation, the controlling apparatus 100 controls an air supplying apparatus 210 to increase the amount of the air supplied to an air intake manifold 320. If the cell temperature is equal to or greater than the threshold temperature Tth, the controlling apparatus 100 controls a variable valve 400 to increase the amount of the air flowing into a cooling air channel portion 315 without an increase in the amount of the air flowing into a power generating air channel portion 314.
    • 在风冷型燃料电池系统10中,控制装置100基于由温度传感器500检测到的燃料电池的温度进行温度控制处理。此时,如果电池温度大于目标温度 Ta,并且如果电池温度小于用于定义(i)电池电压的变化相对于用于发电的空气的化学计量比小的温度组TG1和(i)的电池温度的阈值温度Tth, ii)相对于用于发电的空气的化学计量比,电池电压的变化大的温度组TG2,控制装置100控制空气供给装置210,以增加供给空气的空气量 进气歧管320.如果电池温度等于或大于阈值温度Tth,则控制装置100控制可变阀400以增加空气流量int ○冷却空气通道部分315,而不增加流入发电空气通道部分314的空气量。