Fuel cell stack
    1.
    发明授权
    Fuel cell stack 失效
    燃料电池堆

    公开(公告)号:US08785072B2

    公开(公告)日:2014-07-22

    申请号:US12981410

    申请日:2010-12-29

    IPC分类号: H01M8/24

    摘要: A fuel cell stack includes: a plurality of membrane-electrode assemblies; first and second end plates respectively positioned outside outermost ones of the membrane-electrode assemblies; and a plurality of separators respectively positioned between the membrane-electrode assemblies and between the outermost ones of the membrane-electrode assemblies and the first and second end plates. The first end plate includes an oxidizing agent inlet, an oxidizing agent outlet, and a moisture supplying flow path connecting the oxidizing agent inlet and the oxidizing agent outlet. The moisture supplying flow path includes a first end portion adjacent to the oxidizing agent outlet and a second end portion adjacent to the oxidizing agent inlet, the first end portion being larger than the second end portion and being a different distance away from a surface of the first end plate facing away from the second end plate than the second end portion.

    摘要翻译: 燃料电池堆包括:多个膜 - 电极组件; 分别位于最外面的膜 - 电极组件外的第一和第二端板; 以及分别位于膜 - 电极组件和最外层膜电极组件以及第一和第二端板之间的多个分离器。 第一端板包括氧化剂入口,氧化剂出口和连接氧化剂入口和氧化剂出口的供水流路。 供水流路包括与氧化剂出口相邻的第一端部和与氧化剂入口相邻的第二端部,第一端部部分大于第二端部部分,并且距离氧化剂出口的表面不同的距离 第一端板远离第二端板而不是第二端部。

    Stack for fuel cell system
    2.
    发明授权
    Stack for fuel cell system 有权
    堆叠燃料电池系统

    公开(公告)号:US09070909B2

    公开(公告)日:2015-06-30

    申请号:US13067383

    申请日:2011-05-27

    IPC分类号: H01M2/38 H01M8/02

    摘要: A stack for a fuel cell system, including: a membrane electrode assembly, a separator that includes a fuel passage that supplies a fuel to an anode electrode of the membrane electrode assembly and an oxidant passage that supplies an oxidant to a cathode electrode of an adjacent membrane electrode assembly, a first manifold that is formed by connecting first penetration holes that penetrate the separator in a stacking direction and that is connected to the fuel passage, a second manifold that is formed by connecting second penetration holes that penetrate the separator in the stacking direction and that is connected to the oxidant passage and a baffle that is disposed in at least one of the first manifold and the second manifold. The baffle has a membrane structure to control the fluid flow inside of the at least one of the first manifold and the second manifold.

    摘要翻译: 一种用于燃料电池系统的堆叠,包括:膜电极组件,分离器,其包括将燃料供应到膜电极组件的阳极电极的燃料通道和将氧化剂供应到相邻的阴极电极的氧化剂通道 膜电极组件,第一歧管,其通过连接在层叠方向上穿过所述隔板的第一穿透孔并连接到所述燃料通道而形成;第二歧管,其通过将穿过所述隔板的第二穿透孔连接在所述堆叠 方向,并且连接到氧化剂通道和设置在第一歧管和第二歧管中的至少一个中的挡板。 挡板具有膜结构以控制第一歧管和第二歧管中的至少一个的内部的流体流动。

    Stack for fuel cell system
    3.
    发明申请
    Stack for fuel cell system 有权
    堆叠燃料电池系统

    公开(公告)号:US20110305965A1

    公开(公告)日:2011-12-15

    申请号:US13067383

    申请日:2011-05-27

    IPC分类号: H01M8/04 H01M8/24

    摘要: A stack for a fuel cell system, including: a membrane electrode assembly, a separator that includes a fuel passage that supplies a fuel to an anode electrode of the membrane electrode assembly and an oxidant passage that supplies an oxidant to a cathode electrode of an adjacent membrane electrode assembly, a first manifold that is formed by connecting first penetration holes that penetrate the separator in a stacking direction and that is connected to the fuel passage, a second manifold that is formed by connecting second penetration holes that penetrate the separator in the stacking direction and that is connected to the oxidant passage and a baffle that is disposed in at least one of the first manifold and the second manifold. The baffle has a membrane structure to control the fluid flow inside of the at least one of the first manifold and the second manifold.

    摘要翻译: 一种用于燃料电池系统的堆叠,包括:膜电极组件,分离器,其包括将燃料供应到膜电极组件的阳极电极的燃料通道和将氧化剂供应到相邻的阴极电极的氧化剂通道 膜电极组件,第一歧管,其通过连接在层叠方向上穿过所述隔板的第一穿透孔并连接到所述燃料通道而形成;第二歧管,其通过将穿过所述隔板的第二穿透孔连接在所述堆叠 方向,并且连接到氧化剂通道和设置在第一歧管和第二歧管中的至少一个中的挡板。 挡板具有膜结构以控制第一歧管和第二歧管中的至少一个的内部的流体流动。

    FUEL CELL STACK
    4.
    发明申请
    FUEL CELL STACK 失效
    燃料电池堆

    公开(公告)号:US20110305968A1

    公开(公告)日:2011-12-15

    申请号:US12981410

    申请日:2010-12-29

    IPC分类号: H01M8/24

    摘要: A fuel cell stack includes: a plurality of membrane-electrode assemblies; first and second end plates respectively positioned outside outermost ones of the membrane-electrode assemblies; and a plurality of separators respectively positioned between the membrane-electrode assemblies and between the outermost ones of the membrane-electrode assemblies and the first and second end plates. The first end plate includes an oxidizing agent inlet, an oxidizing agent outlet, and a moisture supplying flow path connecting the oxidizing agent inlet and the oxidizing agent outlet. The moisture supplying flow path includes a first end portion adjacent to the oxidizing agent outlet and a second end portion adjacent to the oxidizing agent inlet, the first end portion being larger than the second end portion and being a different distance away from a surface of the first end plate facing away from the second end plate than the second end portion.

    摘要翻译: 燃料电池堆包括:多个膜 - 电极组件; 分别位于最外面的膜 - 电极组件外的第一和第二端板; 以及分别位于膜 - 电极组件和最外层膜电极组件以及第一和第二端板之间的多个分离器。 第一端板包括氧化剂入口,氧化剂出口和连接氧化剂入口和氧化剂出口的供水流路。 供水流路包括与氧化剂出口相邻的第一端部和与氧化剂入口相邻的第二端部,第一端部部分大于第二端部部分,并且距离氧化剂出口的表面不同的距离 第一端板远离第二端板而不是第二端部。

    FUEL CELL STACK
    5.
    发明申请
    FUEL CELL STACK 审中-公开
    燃料电池堆

    公开(公告)号:US20130078545A1

    公开(公告)日:2013-03-28

    申请号:US13273827

    申请日:2011-10-14

    IPC分类号: H01M8/24

    CPC分类号: H01M8/2483

    摘要: A fuel cell stack is disclosed. The fuel cell stack includes a membrane electrode assembly, separation plates on either side of the membrane electrode assembly, current collectors on either side of the separation plates and configured to electrically convey current to an outside circuit, first and second end plates sandwiching the current collectors and configured to apply a connecting pressure, and manifolds formed to pass through the membrane electrode assembly, at least one of the separation plates, at least one of the current collectors, and at least one of the end plates, the manifolds configured to conduct reaction gas, and cutoff blocks inserted into a portion forming manifolds of the end plates to separate the current collectors and the end plates on a passage in which the reaction gas is circulated.

    摘要翻译: 公开了一种燃料电池堆。 燃料电池堆包括膜电极组件,膜电极组件的任一侧上的分隔板,分隔板两侧的集电器,并且构造成将电流输送到外部电路,夹着集电器的第一和第二端板 并且构造成施加连接压力,以及形成为通过膜电极组件的歧管,至少一个分离板,集流器中的至少一个和至少一个端板,歧管被配置为进行反应 气体和截止块插入到形成端板的歧管的部分中以在反应气体循环的通道上分离集流器和端板。

    Fuel cell system and driving method thereof
    6.
    发明授权
    Fuel cell system and driving method thereof 有权
    燃料电池系统及其驱动方法

    公开(公告)号:US09362579B2

    公开(公告)日:2016-06-07

    申请号:US13247338

    申请日:2011-09-28

    IPC分类号: H01M8/04

    摘要: A fuel cell system and a method for driving a fuel cell system are disclosed. The fuel cell system includes a fuel cell stack with a plurality of unit cells, a temperature measurer configured for determining a temperature of the fuel cell stack, a cell voltage measurer configured for determining voltages of one or more of the plurality of unit cells, and a control unit configured for monitoring the unit cell voltages of the plurality of unit cells to detect a minimum unit cell voltage when a measured temperature of the fuel cell stack is below zero, and configured for controlling the load current so that the detected minimum unit cell voltage may be maintained at a predetermined threshold voltage.

    摘要翻译: 公开了燃料电池系统和驱动燃料电池系统的方法。 燃料电池系统包括具有多个单电池的燃料电池堆,配置用于确定燃料电池堆的温度的温度测量器,被配置用于确定多个单电池中的一个或多个的电压的电池电压测量器,以及 控制单元,被配置为当所述燃料电池堆的测量温度低于零时,监视所述多个单元电池的单位电池电压以检测最小单位电池电压,并且被配置为用于控制所述负载电流,使得所检测到的最小单元电池 电压可以保持在预定的阈值电压。

    FUEL CELL SYSTEM AND DRIVING METHOD FOR THE SAME
    7.
    发明申请
    FUEL CELL SYSTEM AND DRIVING METHOD FOR THE SAME 有权
    燃料电池系统及其驱动方法

    公开(公告)号:US20120028138A1

    公开(公告)日:2012-02-02

    申请号:US12975251

    申请日:2010-12-21

    IPC分类号: H01M8/04 H01M8/06

    摘要: A fuel cell system includes a fuel cell stack that includes a plurality of unit cells, each including a membrane-electrode assembly including an electrolyte membrane, a cathode at one side of the electrolyte membrane, and an anode at an opposite side of the electrolyte membrane, and separators at respective sides of the membrane-electrode assembly, a fuel supply for supplying a fuel to the fuel cell stack, an oxidizing agent supply for supplying an oxidizing agent to the fuel cell stack, and a controller for controlling operation of the fuel supply and the oxidizing agent supply, for measuring a voltage of each of the unit cells, and for turning off a load coupled to the fuel cell stack after determining that the voltages of the unit cells reached a reference voltage.

    摘要翻译: 燃料电池系统包括燃料电池堆,其包括多个单元电池,每个单元电池包括包括电解质膜的膜 - 电极组件,电解质膜一侧的阴极和电解质膜的相对侧的阳极 ,以及膜 - 电极组件的各侧的隔板,用于向燃料电池堆供应燃料的燃料供给,用于向燃料电池堆供应氧化剂的氧化剂供应和用于控制燃料的运行的控制器 供应和氧化剂供应,用于测量每个单元电池的电压,并且在确定单元电池的电压达到参考电压之后关闭耦合到燃料电池堆的负载。

    Fuel cell stack and fuel cell system including the same
    8.
    发明授权
    Fuel cell stack and fuel cell system including the same 有权
    燃料电池堆和包括燃料电池系统的燃料电池系统

    公开(公告)号:US08945786B2

    公开(公告)日:2015-02-03

    申请号:US12926730

    申请日:2010-12-07

    IPC分类号: H01M8/04 H01M8/02 H01M8/10

    摘要: A fuel cell stack and a fuel cell system, the fuel cell stack including a plurality of membrane electrode assemblies, the membrane electrode assemblies being configured to generate electrical energy by an electrochemical reaction of a fuel and an oxidizer; and a plurality of bipolar plates positioned adjacent to the membrane electrode assemblies and between the membrane electrode assemblies, the bipolar plates including a fuel channel at one side thereof and an oxidizer channel at a second, opposite side thereof, wherein the bipolar plates include a plurality of cooling channels penetrating therethrough, the cooling channels having a curvature along a length thereof.

    摘要翻译: 燃料电池堆和燃料电池系统,所述燃料电池堆包括多个膜电极组件,所述膜电极组件被配置为通过燃料和氧化剂的电化学反应产生电能; 以及与所述膜电极组件相邻并且在所述膜电极组件之间定位的多个双极板,所述双极板在其一侧包括燃料通道和在其第二相对侧的氧化剂通道,其中所述双极板包括多个 的冷却通道穿过其中,冷却通道沿着其长度具有曲率。

    FUEL CELL SYSTEM
    9.
    发明申请
    FUEL CELL SYSTEM 有权
    燃油电池系统

    公开(公告)号:US20110244342A1

    公开(公告)日:2011-10-06

    申请号:US12954589

    申请日:2010-11-24

    IPC分类号: H01M8/06

    摘要: The fuel cell system includes a fuel cell stack, a fuel supply supplying a fuel to the fuel cell stack, and an oxidizing agent supply supplying an oxidizing agent to the fuel cell stack. The fuel cell stack includes a first end plate, a moisture exchanger, an electrical generator, and a second end plate. The moisture exchanger includes a first area where a dried supply oxidizing agent flows, a second area where a humid emission fuel flows, and a third area where a humid emission oxidizing agent flows, and the first area exchanges moisture with the second and third areas using a moisture exchange layer.

    摘要翻译: 燃料电池系统包括燃料电池堆,向燃料电池堆供应燃料的燃料供应和向燃料电池堆供应氧化剂的氧化剂供应。 燃料电池堆包括第一端板,湿气交换器,发电机和第二端板。 水分交换器包括干燥供应氧化剂流动的第一区域,潮湿排放燃料流动的第二区域和湿排放氧化剂流动的第三区域,并且第一区域与第二和第三区域交换水分,使用 水分交换层。

    Fuel cell system and driving method thereof
    10.
    发明申请
    Fuel cell system and driving method thereof 失效
    燃料电池系统及其驱动方法

    公开(公告)号:US20100159296A1

    公开(公告)日:2010-06-24

    申请号:US12654450

    申请日:2009-12-18

    IPC分类号: H01M8/00 H01M8/04

    摘要: Disclosed are a fuel cell system, and a method of driving the system. The fuel cell system includes a fuel cell stack having a plurality of unit cells producing electricity, a switching unit connecting the plurality of unit cells to a discharge resistor, a switching controller synchronously operated when the voltage of the fuel cell stack reaches an open circuit voltage after power generation of the fuel cell stack is stopped. The switching controller generates select control signals to control the switching unit. The fuel cell system further includes a sensing unit measuring respective cell voltages of the plurality of unit cells and generating cell voltage sensing signals to control activation periods of the select control signals.

    摘要翻译: 公开了一种燃料电池系统和驱动该系统的方法。 燃料电池系统包括具有产生电力的多个单元电池的燃料电池堆,将多个单元电池连接到放电电阻器的开关单元,当燃料电池堆的电压达到开路电压时同步操作的开关控制器 在燃料电池堆的发电停止之后。 开关控制器产生选择控制信号以控制开关单元。 燃料电池系统还包括感测单元,其测量多个单元电池的各个电池电压并产生单元电压感测信号以控制选择控制信号的激活周期。