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    • 63. 发明专利
    • Fuel cell system
    • 燃油电池系统
    • JP2008103170A
    • 2008-05-01
    • JP2006284165
    • 2006-10-18
    • Toyota Motor Corpトヨタ自動車株式会社
    • KAJIWARA SHIGETO
    • H01M8/04H01M8/00H01M8/06H01M8/10
    • H01M8/04119H01M8/04365H01M8/0441H01M8/04507H01M8/04552H01M8/04589H01M8/04626H01M8/04656H01M8/04723H01M8/04753H01M8/0488H01M8/04947
    • PROBLEM TO BE SOLVED: To provide a fuel cell system capable of carrying out necessary and sufficient scavenging treatment at the time of power generation stoppage.
      SOLUTION: The fuel cell system (10) is provided with a fuel cell stack (40) which generates power by receiving supply of a reaction gas, an air compressor (14) which scavenges moisture remaining inside the fuel cell stack (40) at the time of power generation stoppage, a secondary battery (42) which supplies operating power to the air compressor (14), and a controller (60) which estimates the moisture quantity remaining inside the fuel cell stack (40) based on AC impedance of the fuel cell stack (40), estimates a target SOC (State of charge) for storing in the secondary battery the power required for scavenging that moisture quantity, and controls charge and discharge so that the SOC of the secondary battery (42) may be coincided with the target SOC.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供能够在发电停止时进行必要且充分的清除处理的燃料电池系统。 解决方案:燃料电池系统(10)设置有通过接收反应气体的供应产生电力的燃料电池堆(40),空气压缩机(14),其清除残留在燃料电池堆(40)内的水分 ),向空气压缩机(14)供给工作电力的二次电池(42),以及基于AC估计燃料电池堆(40)内残留的水分量的控制器(60),在发电停止时, 燃料电池堆(40)的阻抗估计用于在二次电池中存储清除该水分量所需的电力的目标SOC(充电状态),并且控制充电和放电,使得二次电池(42)的SOC, 可能与目标SOC一致。 版权所有(C)2008,JPO&INPIT
    • 66. 发明专利
    • Fuel cell system
    • 燃油电池系统
    • JP2007012419A
    • 2007-01-18
    • JP2005191377
    • 2005-06-30
    • Toyota Motor Corpトヨタ自動車株式会社
    • MANABE KOUTAKIZAKI KANJIORIHASHI NOBUYUKIHAMADA SHIGETAKAHAN MASAHIRO
    • H01M8/04
    • H01M8/04649G01R31/3662H01M8/04291H01M8/04447H01M8/04492H01M8/04723H01M8/04753H01M8/04761H01M2008/1095
    • PROBLEM TO BE SOLVED: To provide a fuel cell system capable of accurately recognizing the internal state of a fuel cell.
      SOLUTION: A primary state decision unit 150 determines the general internal state of a fuel cell 20 in accordance with the high-frequency and low-frequency impedance signals supplied from an impedance computation unit 140. A secondary state decision unit 160 determines what puts a fuel into a fault state (i.e., details for internal state of the fuel cell 20) using a moisture balance monitor 161 and a fuel gas purity monitor 162 upon receipt of information notifying the fault state of the fuel from the primary state decision unit 150. An air supply control unit 170, a fuel gas supply control unit 180, and a moisture balance control unit 190, perform the control necessary for recovering the relevant system to the normal operational status in accordance with the notice from the secondary state decision unit 160 and others, respectively.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供能够精确地识别燃料电池的内部状态的燃料电池系统。 解决方案:主状态判定单元150根据从阻抗计算单元140提供的高频和低频阻抗信号来确定燃料电池20的一般内部状态。次级状态判定单元160确定什么 在从主状态判定单元接收到通知燃料的故障状态的信息时,使用水分平衡监视器161和燃料气体纯度监视器162将燃料置于故障状态(即,燃料电池20的内部状态的细节) 空气供应控制单元170,燃料气体供应控制单元180和水分平衡控制单元190根据来自次级状态判定单元的通知执行将相关系统恢复到正常操作状态所需的控制 160等。 版权所有(C)2007,JPO&INPIT
    • 67. 发明专利
    • Fuel cell system
    • 燃油电池系统
    • JP2006164738A
    • 2006-06-22
    • JP2004354304
    • 2004-12-07
    • Nissan Motor Co Ltd日産自動車株式会社
    • TANIGUCHI YASUHIROSAKAI HIROMASAAKASHI KOTAROTAKAHASHI NOBUTAKA
    • H01M8/04
    • H01M8/04067H01M8/04007H01M8/04074H01M8/04223H01M8/04328H01M8/04358H01M8/04365H01M8/04373H01M8/04701H01M8/04708H01M8/04723H01M8/04731H01M8/04738H01M8/04768Y02E60/50
    • PROBLEM TO BE SOLVED: To provide a fuel cell system capable of generating power at starting at low temperature. SOLUTION: The fuel cell system comprises a fuel cell 1, a fuel gas supply means for supplying hydrogen to the fuel cell 1, an oxidant gas supply means for supplying air to the fuel cell 1, an after-cooler 7 which cools the air to be supplied to the fuel cell 1 by heat exchanging by a cooling liquid, oxidant gas temperature detection means 16, 17 for detecting the temperature of the air to be supplied to the fuel cell 1, and a cooling liquid circulation control means 21a which starts circulation of the cooling liquid when the detected air temperature exceeds a prescribed value. When the temperature of the air to be supplied to the fuel cell 1 exceeds the prescribed value, circulation of the cooling liquid is started, in particular, the air temperature at the entrance of the fuel cell 1 is detected by the oxidant gas temperature detection means 17, and the prescribed value for judging circulation start of the cooling liquid is made the temperature value or more at which the fuel cell 1 can start power generation. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供能够在低温启动时发电的燃料电池系统。 解决方案:燃料电池系统包括燃料电池1,用于向燃料电池1供应氢的燃料气体供应装置,用于向燃料电池1供应空气的氧化剂气体供应装置,冷却器 通过冷却液进行热交换而供给到燃料电池1的空气,用于检测向燃料电池1供给的空气的温度的氧化剂气体温度检测单元16,17以及冷却液循环控制单元21a 当检测到的空气温度超过规定值时,开始冷却液的循环。 当供给到燃料电池1的空气的温度超过规定值时,开始冷却液的循环,特别是通过氧化剂气体温度检测单元检测燃料电池1的入口处的空气温度 17,用于判断冷却液的循环启动的规定值为燃料电池1能够开始发电的温度值以上。 版权所有(C)2006,JPO&NCIPI