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    • 2. 发明申请
    • PASSIVE COOLING SYSTEM FOR FUEL CELL STACK
    • 用于燃料电池堆的被动冷却系统
    • US20080050628A1
    • 2008-02-28
    • US11740492
    • 2007-04-26
    • Seung-jae LeeDo-Young SeungTae-won Song
    • Seung-jae LeeDo-Young SeungTae-won Song
    • H01M8/04
    • H01M8/04074H01M8/04029
    • A passive cooling system for a fuel cell stack is provided. The passive cooling system includes a plurality of cooling plates, each installed between every few unit cells, each having flow channels for flowing a primary coolant on at least one surface, and each comprising an inlet hole through which the primary coolant enters and an outlet hole through which the primary coolant that has passed the flow channels leaves; and a heat exchanger installed on a primary coolant flow line connected from the outlet holes to the inlet holes of the cooling plates to change a vapor state primary coolant to a liquid state primary coolant by cooling the primary coolant, wherein a path through which the primary coolant passes is a closed circuit, and the flow of the primary coolant is achieved by natural convection caused by vaporization of the primary coolant.
    • 提供了一种用于燃料电池堆的被动冷却系统。 被动冷却系统包括多个冷却板,每个冷却板安装在每隔几个单元之间,每个冷却板具有用于使至少一个表面上的主冷却剂流动的流动通道,并且每个冷却板包括一个主冷却剂进入的入口孔和一个出口孔 已经通过流动通道的主要冷却剂穿过该叶片离开; 以及热交换器,其安装在从所述出口孔连接到所述冷却板的入口孔的主冷却剂流动管线上,以通过冷却所述主冷却剂来将蒸气状态的一次冷却剂改变为液体状态的一次冷却剂, 冷却剂通道是闭合回路,并且主冷却剂的流动通过由一次冷却剂的汽化引起的自然对流来实现。