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    • 2. 发明申请
    • Fuel cell system
    • 燃料电池系统
    • US20040038098A1
    • 2004-02-26
    • US10628533
    • 2003-07-29
    • DENSO CORPORATION
    • Tomonori ImamuraAkimasa Osaki
    • H01M008/04
    • H01M8/04119H01M8/04126H01M8/04156
    • Provided is a fuel cell system capable of preventing a drop of power stemming from the water residence at an electrode portion or the shortage of water content in an electrolyte membrane. The system is equipped with an air pressure regulating valve for adjusting the pressure of air to be supplied to a fuel cell stack and a hydrogen pressure regulating valve for adjusting the pressure of hydrogen. In this system, the pressure difference between the air pressure and the hydrogen pressure is controlled through the regulating valves so that a minimum hydrogen pressure becomes higher than a maximum air pressure, or so that a minimum air pressure becomes higher than a maximum hydrogen pressure.
    • 提供一种燃料电池系统,其能够防止电极部分的水停留产生的功率下降或电解质膜中的水分含量不足。 该系统配备有用于调节供给到燃料电池堆的空气的压力的气压调节阀和用于调节氢的压力的氢压调节阀。 在该系统中,通过调节阀控制空气压力和氢气压力之间的压力差,使得最小氢气压力变得高于最大空气压力,或者使得最小空气压力变得高于最大氢气压力。