METHODS AND APPARATUS FOR IMPROVING THE COLD STARTING CAPABILITY OF A FUEL CELL
    1.
    发明申请
    METHODS AND APPARATUS FOR IMPROVING THE COLD STARTING CAPABILITY OF A FUEL CELL 审中-公开
    改进燃料电池冷启动能力的方法和装置

    公开(公告)号:US20070072016A1

    公开(公告)日:2007-03-29

    申请号:US11533702

    申请日:2006-09-20

    IPC分类号: H01M8/00 H01M8/04

    摘要: Apparatus and methods of ceasing operation of an electric power generating system improve the cold starting capability of the system. The system comprises a fuel cell stack connectable to an external circuit for supplying power to the external circuit. The stack comprises at least one solid polymer fuel cell, and the system further comprises a fuel passage for directing a fuel stream through the stack and an oxidant passage for directing an oxidant stream through the stack, a sensor assembly connected to the stack for monitoring a parameter indicative of stack performance, a controller for controlling at least one stack operating parameter, and a control system communicative with the sensor assembly and stack operating parameter controller. The method comprises adjusting at least one stack operating parameter to cause the stack to operate under a drying condition that causes a net outflux of water from the stack, operating the stack under the drying condition until the water content in the stack has been reduced, and interrupting supply of power from the stack to the external circuit.

    摘要翻译: 发电系统停止运转的装置和方法提高了系统的冷启动能力。 该系统包括可连接到用于向外部电路供电的外部电路的燃料电池堆。 所述堆叠包括至少一个固体聚合物燃料电池,并且所述系统还包括用于引导燃料流通过所述堆叠的燃料通道和用于引导氧化剂流通过所述堆的氧化剂通道,连接到所述堆的传感器组件,用于监测 指示堆叠性能的参数,用于控制至少一个堆叠操作参数的控制器以及与传感器组件和堆叠操作参数控制器通信的控制系统。 所述方法包括调整至少一个堆叠操作参数,以使得堆叠在干燥条件下操作,该干燥条件导致来自堆叠的水的净溢出,在干燥条件下操作堆叠,直到堆叠中的水含量已经减少,以及 中断从堆栈向外部电路供电。