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    Fuel cell system having decreased deterioration during initiation
    1.
    发明授权
    Fuel cell system having decreased deterioration during initiation 有权
    燃料电池系统在启动期间具有降低的劣化

    公开(公告)号：US08715872B2

    公开(公告)日：2014-05-06

    申请号：US12096414

    申请日：2006-12-26

    申请人： Ryoichi Shimoi ,  Takashi Iimori ,  Kenichi Goto ,  Tetsuya Kamihara

    发明人： Ryoichi Shimoi ,  Takashi Iimori ,  Kenichi Goto ,  Tetsuya Kamihara

    IPC分类号： H01M8/04

    CPC分类号： H01M8/2457 ,  H01M8/04089 ,  H01M8/04097 ,  H01M8/04104 ,  H01M8/04201 ,  H01M8/04223 ,  H01M8/04238 ,  H01M8/04388 ,  H01M8/04395 ,  H01M8/04402 ,  H01M8/04462 ,  H01M8/04559 ,  H01M8/04567 ,  H01M8/04597 ,  H01M8/04619 ,  H01M8/04753 ,  H01M8/04761 ,  H01M8/0491 ,  H01M8/04947 ,  H01M8/241 ,  H01M8/2475 ,  H01M2008/1095 ,  H01M2250/20 ,  Y02T90/32

    摘要： A fuel cell system can be initiated in shorter time while minimizing the deterioration of a fuel cell. The fuel cell system includes a fuel cell stack having a fuel electrode, an oxidizer electrode and an electrolyte membrane disposed there between, the fuel cell producing electricity by an electrochemical reaction of a fuel gas and an oxidizer gas, which are supplied to the fuel electrode and the oxidizer electrode, respectively; a fuel gas supplying device for supplying the fuel gas to the fuel cell stack; an oxidizer gas supplying device for supplying the oxidizer gas to the fuel cell stack; a current controlling device for extracting a current from the fuel cell stack; and a voltage sensor disposed in at least two of the fuel cell stacks. A controller controls the current controlling device such that a minimum voltage, which is obtained from the voltage sensor after a fuel gas is supplied to the fuel electrode without supplying the oxidizer gas to the oxidizer electrode at the time of initiating, becomes zero volts or more. Then, the oxidizer gas is supplied to the oxidizer to start producing electricity.

    摘要翻译： 可以在更短的时间内启动燃料电池系统，同时使燃料电池的劣化最小化。 燃料电池系统包括具有燃料电极，氧化剂电极和设置在其间的电解质膜的燃料电池堆，燃料电池通过燃料气体和氧化剂气体的电化学反应产生电力，供给燃料电极 和氧化剂电极; 用于将燃料气体供给到燃料电池堆的燃料气体供给装置; 用于将氧化剂气体供给到燃料电池堆的氧化剂气体供给装置; 用于从燃料电池堆提取电流的电流控制装置; 以及设置在至少两个燃料电池堆中的电压传感器。 控制器控制电流控制装置，使得在将燃料气体提供给燃料电极而不向氧化剂电极供应氧化剂气体之前从电压传感器获得的最小电压在启动时变为零伏特以上 。 然后，向氧化剂供给氧化剂气体，开始发电。

    Fuel cell system comprising a voltage limit device
    2.
    发明授权
    Fuel cell system comprising a voltage limit device 有权
    燃料电池系统包括电压限制装置

    公开(公告)号：US07976995B2

    公开(公告)日：2011-07-12

    申请号：US11645967

    申请日：2006-12-27

    申请人： Kenichi Goto ,  Ryoichi Shimoi ,  Takashi Iimori ,  Tetsuya Kamihara

    发明人： Kenichi Goto ,  Ryoichi Shimoi ,  Takashi Iimori ,  Tetsuya Kamihara

    IPC分类号： H01M8/04

    CPC分类号： H01M8/04097 ,  H01M8/04225 ,  H01M8/241 ,  H01M8/2457

    摘要： A fuel cell system that has a fuel cell stack with a plurality of laminated cells, each of the laminated cells includes an electrolyte membrane interposed between a fuel electrode receiving a supply of fuel gas and an oxidizing agent electrode receiving a supply of oxidizing agent gas. A fuel gas supply device supplies a fuel gas to the fuel electrode. An oxidizing agent gas supply device supplies an oxidizing agent gas to the oxidizing agent electrode. A fuel electrode side discharge system discharges a discharge gas from the fuel electrode to an external. A circulation device re-circulates the discharge gas discharged from the fuel electrode into an upstream side of the fuel electrode. A voltage limit device limits a voltage across the fuel cell stack by drawing a current from the fuel cell stack at a time of an activation of the fuel cell system. A controller halts the supply of the oxidizing agent gas to the oxidizing agent electrode from the oxidizing agent gas supply device at the time of the activation of the fuel cell system, inhibits a discharge of the discharge gas to the external through the fuel electrode side discharge system, and starts the supply of fuel gas to the fuel electrode from the fuel gas supply device in a state where the discharge gas is circulated through the circulation device.

    摘要翻译： 一种燃料电池系统，其具有多个层压电池的燃料电池堆，每个所述层叠电池包括插入在接收燃料气体的燃料电极和接收氧化剂气体的氧化剂电极的电解质膜之间。 燃料气体供给装置向燃料电极供给燃料气体。 氧化剂气体供给装置向氧化剂电极供给氧化剂气体。 燃料电极侧排出系统将排出气体从燃料电极排出到外部。 循环装置将从燃料电极排出的排出气体再循环到燃料电极的上游侧。 电压限制装置通过在燃料电池系统的激活时从燃料电池堆中抽出电流来限制燃料电池堆两端的电压。 在激活燃料电池系统时，控制器停止从氧化剂气体供给装置向氧化剂电极供应氧化剂气体，通过燃料电极侧放电来抑制放电气体向外部的放电 系统，并且在排出气体通过循环装置循环的状态下，开始从燃料气体供给装置向燃料电极供给燃料气体。

    FUEL CELL SYSTEM
    3.
    发明申请
    FUEL CELL SYSTEM 有权
    燃油电池系统

    公开(公告)号：US20090197129A1

    公开(公告)日：2009-08-06

    申请号：US12096414

    申请日：2006-12-26

    申请人： Ryoichi Shimoi ,  Takashi Iimori ,  Kenichi Goto ,  Tetsuya Kamihara

    发明人： Ryoichi Shimoi ,  Takashi Iimori ,  Kenichi Goto ,  Tetsuya Kamihara

    IPC分类号： H01M8/04

    CPC分类号： H01M8/2457 ,  H01M8/04089 ,  H01M8/04097 ,  H01M8/04104 ,  H01M8/04201 ,  H01M8/04223 ,  H01M8/04238 ,  H01M8/04388 ,  H01M8/04395 ,  H01M8/04402 ,  H01M8/04462 ,  H01M8/04559 ,  H01M8/04567 ,  H01M8/04597 ,  H01M8/04619 ,  H01M8/04753 ,  H01M8/04761 ,  H01M8/0491 ,  H01M8/04947 ,  H01M8/241 ,  H01M8/2475 ,  H01M2008/1095 ,  H01M2250/20 ,  Y02T90/32

    摘要： A fuel cell system can be initiated in shorter time while minimizing the deterioration of a fuel cell. The fuel cell system includes a fuel cell stack having a fuel electrode, an oxidizer electrode and an electrolyte membrane disposed there between, the fuel cell producing electricity by an electrochemical reaction of a fuel gas and an oxidizer gas, which are supplied to the fuel electrode and the oxidizer electrode, respectively; a fuel gas supplying device for supplying the fuel gas to the fuel cell stack; an oxidizer gas supplying device for supplying the oxidizer gas to the fuel cell stack; a current controlling device for extracting a current from the fuel cell stack; and a voltage sensor disposed in at least two of the fuel cell stacks. A controller controls the current controlling device such that a minimum voltage, which is obtained from the voltage sensor after a fuel gas is supplied to the fuel electrode without supplying the oxidizer gas to the oxidizer electrode at the time of initiating, becomes zero volts or more. Then, the oxidizer gas is supplied to the oxidizer to start producing electricity.

    摘要翻译： 可以在更短的时间内启动燃料电池系统，同时使燃料电池的劣化最小化。 燃料电池系统包括具有燃料电极，氧化剂电极和设置在其间的电解质膜的燃料电池堆，燃料电池通过燃料气体和氧化剂气体的电化学反应产生电力，供给燃料电极 和氧化剂电极; 用于将燃料气体供给到燃料电池堆的燃料气体供给装置; 用于将氧化剂气体供给到燃料电池堆的氧化剂气体供给装置; 用于从燃料电池堆提取电流的电流控制装置; 以及设置在至少两个燃料电池堆中的电压传感器。 控制器控制电流控制装置，使得在将燃料气体提供给燃料电极而不向氧化剂电极供应氧化剂气体之前从电压传感器获得的最小电压在启动时变为零伏特以上 。 然后，向氧化剂供给氧化剂气体，开始发电。

    Fuel cell system
    4.
    发明申请
    Fuel cell system 有权
    燃料电池系统

    公开(公告)号：US20070148512A1

    公开(公告)日：2007-06-28

    申请号：US11645967

    申请日：2006-12-27

    申请人： Kenichi Goto ,  Ryoichi Shimoi ,  Takashi Iimori ,  Tetsuya Kamihara

    发明人： Kenichi Goto ,  Ryoichi Shimoi ,  Takashi Iimori ,  Tetsuya Kamihara

    IPC分类号： H01M8/04

    CPC分类号： H01M8/04097 ,  H01M8/04225 ,  H01M8/241 ,  H01M8/2457

    摘要： A fuel cell system that has a fuel cell stack with a plurality of laminated cells, each of the laminated cells includes an electrolyte membrane interposed between a fuel electrode receiving a supply of fuel gas and an oxidizing agent electrode receiving a supply of oxidizing agent gas. A fuel gas supply device supplies a fuel gas to the fuel electrode. An oxidizing agent gas supply device supplies an oxidizing agent gas to the oxidizing agent electrode. A fuel electrode side discharge system discharges a discharge gas from the fuel electrode to an external. A circulation device re-circulates the discharge gas discharged from the fuel electrode into an upstream side of the fuel electrode. A voltage limit device limits a voltage across the fuel cell stack by drawing a current from the fuel cell stack at a time of an activation of the fuel cell system. A controller halts the supply of the oxidizing agent gas to the oxidizing agent electrode from the oxidizing agent gas supply device at the time of the activation of the fuel cell system, inhibits a discharge of the discharge gas to the external through the fuel electrode side discharge system, and starts the supply of fuel gas to the fuel electrode from the fuel gas supply device in a state where the discharge gas is circulated through the circulation device.

    摘要翻译： 一种燃料电池系统，其具有多个层压电池的燃料电池堆，每个所述层压电池包括插入在接收燃料气体的燃料电极和接收氧化剂气体的氧化剂电极的电解质膜之间。 燃料气体供给装置向燃料电极供给燃料气体。 氧化剂气体供给装置向氧化剂电极供给氧化剂气体。 燃料电极侧排出系统将排出气体从燃料电极排出到外部。 循环装置将从燃料电极排出的排出气体再循环到燃料电极的上游侧。 电压限制装置通过在燃料电池系统的激活时从燃料电池堆中抽出电流来限制燃料电池堆两端的电压。 在激活燃料电池系统时，控制器停止从氧化剂气体供给装置向氧化剂电极供应氧化剂气体，通过燃料电极侧放电来抑制放电气体向外部的放电 系统，并且在排出气体通过循环装置循环的状态下，开始从燃料气体供给装置向燃料电极供给燃料气体。

    Fuel cell system and method of controlling fuel cell system
    10.
    发明授权
    Fuel cell system and method of controlling fuel cell system 有权
    燃料电池系统及其控制方法

    公开(公告)号：US08765315B2

    公开(公告)日：2014-07-01

    申请号：US13061277

    申请日：2009-06-15

    申请人： Mitsunori Kumada ,  Ryoichi Shimoi ,  Hayato Chikugo ,  Takashi Aoyama

    发明人： Mitsunori Kumada ,  Ryoichi Shimoi ,  Hayato Chikugo ,  Takashi Aoyama

    IPC分类号： H01M8/04

    CPC分类号： H01M8/04089 ,  H01M8/04223 ,  H01M8/04228 ,  H01M8/04303 ,  H01M8/04589 ,  H01M8/04753

    摘要： Deterioration at the start-up and deterioration during the leaving period are suppressed in a good balance. As a system shutdown process, a controller (30) causes consumption of the air (oxygen) present in an oxidant electrode of a fuel cell stack (1) (oxygen consumption control). Further, after the termination of the oxygen consumption control, the controller (30) performs control to set a medium pressure hydrogen valve (13) and a hydrogen pressure adjustment valve (14) in a closed state. The controller (30) thereby causes hydrogen to be held in a passage located between the medium pressure hydrogen valve (13) and the hydrogen pressure adjustment valve (14). During a system shutdown period, a predetermined amount of hydrogen (medium pressure hydrogen) held in the hydrogen supply passage (L1) at a position between the medium pressure hydrogen valve (13) and the hydrogen pressure adjustment valve (14) can be supplied to the fuel electrode of the fuel cell stack (1) through a bypass passage (L2).

    摘要翻译： 启动时的恶化和离职期间的恶化得到了很好的平衡。 作为系统关闭处理，控制器（30）使燃料电池堆（1）的氧化剂电极中存在的空气（氧气）消耗（氧耗控制）。 此外，在氧消耗控制结束之后，控制器（30）进行将中压氢阀（13）和氢压调节阀（14）设定为关闭状态的控制。 因此，控制器（30）使氢被保持在位于中压氢阀（13）和氢压力调节阀（14）之间的通道中。 在系统关闭期间，在中压氢阀（13）和氢压调节阀（14）之间的位置处保持在氢供给通路（L1）中的预定量的氢（中压氢）可以供给到 燃料电池堆（1）的燃料电极通过旁路通路（L2）。