Fuel cell cassette with compliant seal

    公开(公告)号:US09812717B2

    公开(公告)日:2017-11-07

    申请号:US14032512

    申请日:2013-09-20

    CPC classification number: H01M8/0273 H01M8/0247 H01M8/0282 H01M8/1231

    Abstract: A fuel cell cassette for forming a fuel cell stack along a fuel cell axis includes a cell retainer, a plate positioned axially to the cell retainer and defining a space axially with the cell retainer, and a fuel cell having an anode layer and a cathode layer separated by an electrolyte layer. The outer perimeter of the fuel cell is positioned in the space between the plate and the cell retainer, thereby retaining the fuel cell and defining a cavity between the cell retainer, the fuel cell, and the plate. The fuel cell cassette also includes a seal disposed within the cavity for sealing the edge of the fuel cell. The seal is compliant at operational temperatures of the fuel cell, thereby allowing lateral expansion and contraction of the fuel cell within the cavity while maintaining sealing at the edge of the fuel cell.

    Fuel cell electrode interconnect contact material encapsulation and method
    2.
    发明授权
    Fuel cell electrode interconnect contact material encapsulation and method 有权
    燃料电池电极互连接触材料的封装和方法

    公开(公告)号:US09356300B2

    公开(公告)日:2016-05-31

    申请号:US14036342

    申请日:2013-09-25

    Abstract: A fuel cell stack includes a plurality of fuel cell cassettes each including a fuel cell with an anode and a cathode. Each fuel cell cassette also includes an electrode interconnect adjacent to the anode or the cathode for providing electrical communication between an adjacent fuel cell cassette and the anode or the cathode. The interconnect includes a plurality of electrode interconnect protrusions defining a flow passage along the anode or the cathode for communicating oxidant or fuel to the anode or the cathode. An electrically conductive material is disposed between at least one of the electrode interconnect protrusions and the anode or the cathode in order to provide a stable electrical contact between the electrode interconnect and the anode or cathode. An encapsulating arrangement segregates the electrically conductive material from the flow passage thereby, preventing volatilization of the electrically conductive material in use of the fuel cell stack.

    Abstract translation: 燃料电池堆包括多个燃料电池盒,每个燃料电池盒包括具有阳极和阴极的燃料电池。 每个燃料电池盒还包括与阳极或阴极相邻的电极互连件,用于在相邻的燃料电池盒和阳极或阴极之间提供电连通。 互连包括多个电极互连突起,其限定沿着阳极或阴极的流动通道,用于将氧化剂或燃料连接到阳极或阴极。 导电材料设置在至少一个电极互连突起和阳极或阴极之间,以便在电极互连和阳极或阴极之间提供稳定的电接触。 封装装置将导电材料与流动通道隔离,从而防止在使用燃料电池堆时导电材料的挥发。

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