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    • 2. 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。
    • 3. 发明申请
    • FUEL CELL SYSTEM AND METHOD OF CONTROLLING FUEL CELL SYSTEM
    • 燃料电池系统和控制燃料电池系统的方法
    • US20120219872A1
    • 2012-08-30
    • US13505339
    • 2010-12-01
    • Yoshikazu TanakaAkinari NakamuraTakayuki Urata
    • Yoshikazu TanakaAkinari NakamuraTakayuki Urata
    • H01M8/06H01M8/04
    • H01M8/04291H01M8/04425H01M8/04686H01M8/04776H01M8/04828H01M8/04992H01M8/0618H01M8/0662
    • A fuel cell system according to the present invention includes: a hydrogen generator; a burner; an air supply device; a fuel cell; a condenser configured to condense an exhaust reducing gas to recover condensed water, the exhaust reducing gas being discharged from the fuel cell; a condensed water tank configured to store the condensed water recovered by the condenser; a water level detector configured to detect a water level in the condensed water tank; a degasifier configured to remove a carbonic acid component contained in the condensed water by using an exhaust oxidizing gas discharged from the fuel cell; a water conveyance passage configured to connect the condensed water tank and the degasifier and including a water sealing structure at a portion thereof; a water level changing unit configured to change the water level in the condensed water tank; and a controller, and the controller causes the water level changing unit to change the water level in the condensed water tank, and when the water level detector has detected the change of the water level, the controller determines that the water level detector is normally operating.
    • 根据本发明的燃料电池系统包括:氢气发生器; 燃烧器 供气装置; 燃料电池 冷凝器,其构造成冷凝排气还原气体以回收冷凝水,所述排气还原气体从所述燃料电池排出; 冷凝水箱,被配置为储存由冷凝器回收的冷凝水; 水位检测器,被配置为检测冷凝水箱中的水位; 脱气装置,其构造为通过使用从所述燃料电池排出的废气氧化气体除去所述冷凝水中所含的碳酸成分; 水输送通道,其构造成将冷凝水箱和脱气器连接,并且在其一部分包括水封结构; 水位改变单元,被配置为改变冷凝水箱中的水位; 和控制器,并且控制器使水位改变单元改变冷凝水箱中的水位,并且当水位检测器检测到水位的变化时,控制器确定水位检测器正常工作 。
    • 4. 发明申请
    • FUEL CELL SYSTEM AND METHOD OF OPERATING THE SAME
    • 燃料电池系统及其操作方法
    • US20130149623A1
    • 2013-06-13
    • US13818594
    • 2012-03-27
    • Akinari NakamuraHirofumi KokubuTakayuki UrataYoshikazu Tanaka
    • Akinari NakamuraHirofumi KokubuTakayuki UrataYoshikazu Tanaka
    • H01M8/04
    • H01M8/04686H01M8/04679H01M8/04955
    • A fuel cell system according to the present invention includes: a fuel cell (1); an accessory device; a sensor configured to detect an operation state of the fuel cell system; an accessory device abnormality detector (44) configured to detect an abnormality in the accessory device; a sensor abnormality detector (45) configured to detect an abnormality in the operation state of the fuel cell system; and a controller (47). The controller performs control such that, during normal operation of the fuel cell system, the controller continues the operation of the fuel cell system in the following cases: a case where the accessory device abnormality detector (44) has detected an abnormality and the sensor abnormality detector (45) detects no abnormality; and a case where the accessory device abnormality detector (44) detects no abnormality and the sensor abnormality detector (45) detects no abnormality, and stops the operation of the fuel cell system in the following cases: a case where the accessory device abnormality detector (44) has detected an abnormality and the sensor abnormality detector (45) has detected an abnormality; and a case where the accessory device abnormality detector (44) detects no abnormality and the sensor abnormality detector (45) has detected an abnormality.
    • 根据本发明的燃料电池系统包括:燃料电池(1); 附件装置 被配置为检测燃料电池系统的运行状态的传感器; 被配置为检测附件装置中的异常的附件装置异常检测器(44) 传感器异常检测器(45),被配置为检测燃料电池系统的运行状态的异常; 和控制器(47)。 控制器执行控制,使得在燃料电池系统的正常操作期间,控制器在以下情况下继续燃料电池系统的操作:附件装置异常检测器(44)检测到异常和传感器异常 检测器(45)不检测异常; 以及附属装置异常检测器(44)检测不到异常的情况,并且传感器异常检测器(45)不检测异常,并且在以下情况下停止燃料电池系统的动作:附属装置异常检测器 44)检测到异常,并且传感器异常检测器(45)检测到异常; 以及附件装置异常检测器(44)没有检测到异常并且传感器异常检测器(45)检测到异常的情况。