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    • 6. 发明申请
    • FUEL CELL SYSTEM
    • 燃料电池系统
    • WO2007088480A2
    • 2007-08-09
    • PCT/IB2007/000265
    • 2007-02-02
    • TOYOTA JIDOSHA KABUSHIKI KAISHAKAWAI, Hiroyuki
    • KAWAI, Hiroyuki
    • H01M8/04H01M8/24
    • H01M8/04074H01M8/0267H01M8/04007H01M8/04067H01M8/04223H01M8/04268H01M8/241H01M8/2425H01M8/2475H01M2008/1095
    • A fuel cell system has a fuel cell stack (12) including a plurality of fuel cells that are stacked together, a heat transfer layer (14) that covers the fuel cell stack (12) and is formed at its periphery with recesses, and a low heat, transfer layer (16) disposed in each of the recesses and having a low thermal conductivity. The low heat transfer layer (16) is fixed to a casing (18) such that the low heat transfer layer (16) closely contacts with the heat transfer layer (14) when the fuel cell stack (12) reaches its normal operating temperature, and such that the low heat transfer layer (16) is spaced apart from the heat transfer layer (14) due to thermal contraction during a process in which the temperature of the fuel cell stack (12) decreases from the normal operating temperature to the ambient temperature.
    • 燃料电池系统具有包括堆叠在一起的多个燃料电池的燃料电池堆(12),覆盖燃料电池堆(12)并形成的传热层(14) 在其周边具有凹槽,以及设置在每个凹槽中并具有低导热率的低热传递层(16)。 当燃料电池堆(12)达到其正常操作温度时,低传热层(16)被固定到壳体(18),使得低传热层(16)与传热层(14)紧密接触, 并且使得在燃料电池堆(12)的温度从正常工作温度降低到环境温度的过程期间,由于热收缩,低传热层(16)与传热层(14)间隔开 温度。