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    • 5. 发明申请
    • FUEL CELL SYSTEM INCLUDING GAS RECYCLING AND PRESSURIZING ASSEMBLY
    • 燃料电池系统,包括气体循环和加压装置
    • US20110020716A1
    • 2011-01-27
    • US11521078
    • 2006-09-13
    • Timothy J. NormanCecelia C. CropleyMonjid HamdanJason M. Willey
    • Timothy J. NormanCecelia C. CropleyMonjid HamdanJason M. Willey
    • H01M8/04H01M8/24H01M8/06
    • H01M8/04097H01M8/04104H01M8/04164H01M8/04291H01M2008/1095
    • A fuel cell system including a gas recycling and re-pressurizing assembly. In one embodiment, the fuel cell system includes a fuel cell stack, the stack having an oxygen outlet and an oxygen inlet. The fuel cell system additionally includes two gas/water separator tanks, each of the tanks containing a quantity of water and a quantity of oxygen gas. Both tanks are capable of being fluidly connected to either the oxygen inlet or the oxygen outlet of the fuel cell stack. In addition, the two tanks are connected to one another so that water may be transferred back and forth between the two tanks. The system also includes a pump for transferring water back and forth between the tanks. In use, water is pumped from one of the tanks to the other until all of the oxygen gas present within the water-receiving tank is forced out of that tank and is conducted back to the oxygen inlet of the fuel cell stack. Once all of the oxygen gas has been forced out of the water-receiving tank, all of the water that had been present in the water-receiving tank is pumped from that tank to the other tank to expel all of the oxygen that is present in the second tank. As water is pumped out of a tank, the tank receives oxygen from the oxygen outlet of the fuel cell stack. Consequently, this process of moving water back and forth between the tanks to displace the oxygen gas present within the tanks is repeated indefinitely to recycle the oxygen back to the fuel cell stack.
    • 一种包括气体再循环和再加压组件的燃料电池系统。 在一个实施例中,燃料电池系统包括燃料电池堆,所述堆叠具有氧气出口和氧气入口。 燃料电池系统另外包括两个气/水分离器箱,每个罐包含一定量的水和一定量的氧气。 两个罐都能够流体地连接到燃料电池堆的氧气进口或氧气出口。 另外,两个罐彼此连接,使得水可以在两个罐之间来回传递。 该系统还包括用于在罐之间来回转移水的泵。 在使用中,将水从其中一个罐泵送到另一个罐,直到存在于受水箱内的所有氧气被迫离开该罐并被导回到燃料电池堆的氧气入口。 一旦所有的氧气已经被迫离开接收水箱,所有存在于接收水箱中的水都从该罐被泵送到另一个罐中,以排出所有的氧气 第二个坦克。 当水从罐中抽出时,罐从燃料电池堆的氧气出口接收氧气。 因此,这种在储罐之间来回移动水以使罐内存在的氧气移动的过程被无限期地重复地将氧气再循环回燃料电池堆。