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    • 3. 发明授权
    • Fuel cell system
    • 燃料电池系统
    • US08268494B2
    • 2012-09-18
    • US13113868
    • 2011-05-23
    • Hideo KasaharaSoichi ShibataHideo OharaYoshikazu Tanaka
    • Hideo KasaharaSoichi ShibataHideo OharaYoshikazu Tanaka
    • H01M8/04
    • H01M8/04089H01M8/04388H01M8/04395H01M8/04679H01M8/04753H01M8/04761
    • A fuel cell system comprising: a fuel cell 1 having a fuel gas passage 1D and an oxidizing gas passage 1E; a fuel gas feeder 2; an oxidizing gas feeder 3; a fuel gas exhaust passage 8; an oxidizing gas exhaust passage 9; a test gas feeder 20 configured to feed a test gas to either the fuel gas passage 1D or the oxidizing gas passage 1E; a flow rate detector 5 configured to detect the flow rate of the test gas; a first passage blocking device 4; and a controller 10, wherein said controller 10 controls said first passage blocking device 4 to block off the passage and controls the test gas feeder 2 to feed the test gas to said fuel cell 1, thereby obtaining a detected value from the flow rate detector 5 or an airtightness value that is numerical information into which the detected value is converted.
    • 一种燃料电池系统,包括:具有燃料气体通道1D和氧化气体通路1E的燃料电池1; 燃料气体供给器2; 氧化剂气体供给器3; 燃料气体排出通道8; 氧化气体排出通道9; 配置成将测试气体供给燃料气体通道1D或氧化气体通路1E的试验气体供给器20; 被配置为检测测试气体的流量的流量检测器5; 第一通道阻塞装置4; 以及控制器10,其中所述控制器10控制所述第一通道阻断装置4以阻止通道,并且控制测试气体供给器2将测试气体供给到所述燃料电池1,从而从流量检测器5获得检测值 或作为检测值被转换成的数值信息的气密值。
    • 4. 发明授权
    • Fuel cell system, method of starting fuel cell system
    • 燃料电池系统,燃料电池系统启动方法
    • US08039154B2
    • 2011-10-18
    • US10561386
    • 2004-08-24
    • Junji MoritaMakoto UchidaYasushi SugawaraTakayuki UrataShinya KosakoTakahiro UmedaSoichi ShibataYoichiro TsujiMasataka OzekiAkinari NakamuraYoshikazu Tanaka
    • Junji MoritaMakoto UchidaYasushi SugawaraTakayuki UrataShinya KosakoTakahiro UmedaSoichi ShibataYoichiro TsujiMasataka OzekiAkinari NakamuraYoshikazu Tanaka
    • H01M8/04
    • H01M8/0606H01M8/04231H01M8/04365H01M8/04388H01M8/04395H01M8/04425H01M8/04559H01M8/04649H01M8/04746H01M8/04776H01M8/04955H01M2008/1095
    • Problems of acceleration of drying of electrolyte membrane and local reaction, etc. can be properly coped with to attain the stabilization of performance of fuel cell.There are provided a fuel cell 121 which generates electric power from a fuel gas and an oxidizing agent gas, a fuel gas feed pipe 161 and a first switch valve 129 as fuel gas supplying unit which supplies the said fuel gas into the said fuel cell on the anode side thereof, an oxidizing gas supplying pipe 162 and a second cut-off valve 131 as oxidizing agent gas supplying unit which supplies the said oxidizing agent into the said fuel cell on the cathode side thereof, a raw material gas supplying pipe 151 and a third switch valve 143 as raw material gas supplying unit which supplies raw material of the said fuel gas into the fuel cell and a control portion 127 which controls the supply of the said fuel gas, the supply of the said oxidizing agent and the supply of the said raw material and the control portion 127 controls during the starting of electricity generation of the fuel cell 121 such that the said raw material gas supplying unit purges the fuel cell 121 at least on the cathode side thereof with the said raw material gas before the oxidizing agent gas supplying unit and the fuel gas supplying unit supply the fuel gas and the said oxidizing agent gas into the fuel cell 121, respectively.
    • 可以适当应对电解质膜干燥加速和局部反应等问题,以达到燃料电池性能的稳定。 设置有从燃料气体和氧化剂气体产生电力的燃料电池121,作为燃料气体供给单元的燃料气体供给管161和第一切换阀129,将燃料气体供给到所述燃料电池中 其阳极侧,氧化剂气体供给管162和作为氧化剂气体供给单元的第二截止阀131,其将所述氧化剂供给到阴极侧的所述燃料电池中,原料气体供给管151和 作为将燃料气体的原料供给燃料电池的原料气体供给部的第三切换阀143以及控制部127,控制部127控制所述燃料气体的供给,所述氧化剂的供给和供给 所述原料和控制部127在燃料电池121的发电开始期间进行控制,使得所述原料气体供给单元至少在阴极上清除燃料电池121 在氧化剂气体供给单元和燃料气体供给单元之间分别将燃料气体和所述氧化剂气体供应到燃料电池121中的同时与所述原料气体一起。
    • 10. 发明授权
    • Separator plate and fuel cell
    • 隔板和燃料电池
    • US07790324B2
    • 2010-09-07
    • US12278128
    • 2007-01-30
    • Soichi ShibataHiroki KusakabeEiichi Yasumoto
    • Soichi ShibataHiroki KusakabeEiichi Yasumoto
    • H01M2/14H01M8/12H01M4/00
    • H01M8/0263H01M8/026H01M8/04171H01M2008/1095
    • The invention relates to a separator plate for use in a fuel cell and to a fuel cell. The separator plate has: a passage groove group including a plurality of gas passage grooves 35 formed so as to extend in serpentine form; and a communicating groove 33 configured to provide fluid communication between adjacent portions of the gas passage grooves. Various separator plates have heretofore been disclosed in public by many documents and the blockage of the gas passage grooves caused by condensed water droplets formed therein is deemed to be properly prevented. However, the inventors think that those separator plates have a critical oversight in the behavior of a gas-liquid two phase fluid including a reaction gas and condensed water. That is, the condensed water is likely to concentrate in the vicinity of the gas passage grooves located in the downstream side of such separator plates and therefore these separator plates are liable to blockage. The invention intends to overcome the above problem by making the communicating groove 33 shallower than the gas passage grooves.
    • 本发明涉及一种用于燃料电池和燃料电池的隔板。 隔板具有:通道槽组,包括形成为以蛇形形式延伸的多个气体通道槽35; 以及构造成在气体通道槽的相邻部分之间提供流体连通的连通槽33。 迄今为止已经公开公开了各种分隔板,许多文件都认为可以适当地防止由其中形成的冷凝水滴引起的气体通道槽的堵塞。 然而,发明人认为,这些隔板对包括反应气体和冷凝水的气液两相流体的行为具有严格的监督。 也就是说,冷凝水可能集中在位于这种隔板的下游侧的气体通道槽附近,因此这些隔板容易堵塞。 本发明旨在通过使连通槽33比气体通道凹槽更浅而克服上述问题。