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    • 3. 发明申请
    • METHOD OF STARTING FUEL CELL SYSTEM
    • 启动燃料电池系统的方法
    • US20090035611A1
    • 2009-02-05
    • US11870608
    • 2007-10-11
    • Tae-won SONGDuk-jin OHHyun-chul LEEDong-kwan KIMYong WANG
    • Tae-won SONGDuk-jin OHHyun-chul LEEDong-kwan KIMYong WANG
    • H01M2/00
    • H01M8/04268H01M8/04029
    • Provided is a method of starting a polymer electrolyte membrane fuel cell (PEMFC) stack by rapidly increasing the temperature of the PEMFC stack. The PEMFC stack includes: a first flow line that is connected to upper parts of cooling plates installed in a plurality of unit cells of the PEMFC stack; a second flow line that is connected to lower parts of the cooling plates; a coolant reservoir installed between the first flow line and the second flow line; a heat exchanger installed between the first flow line and the coolant reservoir; a by-pass line that connects a point between the coolant reservoir and the second flow line, to the first flow line; a heating element that heats coolant in the by-pass line; a first valve installed between the first flow line and the heat exchanger; and a second valve that selectively connects the coolant reservoir, the second flow line, and the by-pass line. The method of starting a PEMFC stack includes: closing the first valve and controlling the second valve so that the second flow line and the by-pass line are connected to each other, and the coolant in the coolant reservoir is not connected to the second flow line and the by-pass line; and increasing the temperature of the PEMFC stack by heating the coolant in the by-pass line, using the heating element.
    • 提供通过快速增加PEMFC堆的温度来启动聚合物电解质膜燃料电池(PEMFC)堆叠的方法。 PEMFC堆叠包括:第一流线,其连接到安装在PEMFC堆叠的多个单元电池中的冷却板的上部; 第二流线连接到冷却板的下部; 安装在所述第一流动管线和所述第二流动管线之间的冷却剂储存器; 安装在所述第一流动管线和所述冷却剂储存器之间的热交换器; 将冷却剂储存器和第二流动管线之间的点连接到第一流动管线的旁路管线; 加热元件,其加热旁路线路中的冷却剂; 安装在所述第一流动管线和所述热交换器之间的第一阀; 以及选择性地连接冷却剂储存器,第二流动管线和旁路管线的第二阀。 启动PEMFC堆叠的方法包括:关闭第一阀并控制第二阀,使得第二流动管线和旁路管线彼此连接,并且冷却剂储存器中的冷却剂不连接到第二流量 线和旁路线; 并且通过使用加热元件加热旁路线中的冷却剂来增加PEMFC堆的温度。