SOLID OXIDE FUEL CELL SYSTEM AND STOPPING METHOD THEREFOR
    1.
    发明公开
    SOLID OXIDE FUEL CELL SYSTEM AND STOPPING METHOD THEREFOR 审中-公开
    FESTOXIDBRENNSTOFFZELLENSYSTEM UNDPVERFAHRENDAFÜR

    公开(公告)号:EP3147979A1

    公开(公告)日:2017-03-29

    申请号:EP15796401.6

    申请日:2015-02-09

    Abstract: A solid oxide fuel cell system includes: a fuel cell unit including a solid oxide fuel cell and a mixer, the solid oxide fuel cell including an anode gas passage and a cathode gas passage, the mixer mixing an anode off gas discharged from the anode gas passage and a cathode off gas discharged from the cathode gas passage; a power-generating raw material supply device configured to supply a power-generating raw material to the fuel cell unit; a combustible gas passage, which extends from the power-generating raw material supply device to a downstream end of the anode gas passage; an oxidizing gas supply device configured to supply an oxidizing gas to the cathode gas passage; and a controller configured to, after electric power generation by the fuel cell unit is stopped, control the power-generating raw material supply device to supply the power-generating raw material in a volume more than or equal to a volume of the combustible gas passage to the combustible gas passage, and concurrently control the oxidizing gas supply device to supply the oxidizing gas to the cathode gas passage.

    Abstract translation: 固体氧化物燃料电池系统包括:固体氧化物燃料电池和混合器的燃料电池单元,所述固体氧化物燃料电池包括阳极气体通道和阴极气体通道,所述混合器将从所述阳极气体排出的阳极废气 通道和从阴极气体通道排出的阴极废气; 发电原料供给装置,其将发电原料供给到所述燃料电池单元; 可燃气体通道,其从所述发电原料供给装置延伸到所述阳极气体通道的下游端; 氧化气体供给装置,其构造成向所述阴极气体通路供给氧化气体; 以及控制器,其被配置为在所述燃料电池单元的发电停止之后,控制所述发电原料供给装置,以将所述发电原料供给的体积大于或等于所述可燃气体通路的体积 并且同时控制氧化剂气体供给装置向氧化气体供给阴极气体通路。

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