POLYMER ELECTROLYTE FUEL CELL SYSTEM
    31.
    发明申请
    POLYMER ELECTROLYTE FUEL CELL SYSTEM 审中-公开
    聚合物电解质燃料电池系统

    公开(公告)号:US20100316916A1

    公开(公告)日:2010-12-16

    申请号:US12446214

    申请日:2007-10-17

    CPC classification number: H01M8/04089 H01M8/04007 H01M8/04119 H01M8/1007

    Abstract: A polymer electrolyte fuel cell system of the present invention comprises cells 10, a stack 100, a temperature control device (160, 140, 40, 41), an anode gas supplier 110, a cathode gas supplier 120, and a controller 300. When a power generation output of the stack 100 is reduced, the controller 300 controls the anode gas supplier 110 and the cathode gas supplier 120 to reduce a supply amount of the anode gas and a supply amount of the cathode gas, and controls at least one of the anode gas supplier 110, the cathode gas supplier 120, and the temperature control device 100 to cause a dew point temperature of a gas supplied to at least one of the anode gas channels and the cathode gas channels to be higher relative the temperature of the stack 100 so that the gas becomes supersaturated or more supersaturated than prior to causing the dew point temperature of the gas to be higher.

    Abstract translation: 本发明的聚合物电解质燃料电池系统包括电池10,电池组100,温度控制装置(160,140,​​40,41),阳极气体供应器110,阴极气体供应器120和控制器300.当 堆叠100的发电输出减少,控制器300控制阳极气体供应器110和阴极气体供应器120以减少阳极气体的供应量和阴极气体的供应量,并且控制至少一个 阳极气体供给装置110,阴极气体供给装置120以及温度控制装置100,使得供给到至少一个阳极气体流路和阴极气体流路的气体的露点温度相对于 堆100,使得气体比使气体的露点温度更高之前变得过饱和或更过饱和。

    FUEL CELL
    32.
    发明申请
    FUEL CELL 有权
    燃料电池

    公开(公告)号:US20100285384A1

    公开(公告)日:2010-11-11

    申请号:US12747808

    申请日:2009-11-13

    Abstract: Disclosed is a fuel cell including: a membrane electrolyte assembly which includes a polymer electrolyte membrane and a pair of catalyst electrodes between which the polymer electrolyte membrane is held; and separators A and B between which the membrane electrolyte assembly is held, wherein the separator A includes first gas flow channels a1 and second gas flow channels a2 which are placed adjacent to the first gas flow channels al, the first and second gas flow channels a1 and a2 supplying an oxidizing gas or a fuel gas to the membrane electrolyte assembly, the first and second gas flow channels a1 and a2 run in parallel to each other and are alternately arranged, the first gas flow channels a1 are larger in cross sectional area than the second gas flow channels a2; wherein the separator B includes first gas flow channels b1 which run in parallel to the first and second gas flow channels a1 and a2, and second gas flow channels b2 which are placed adjacent to the first gas flow channels b1, the first and second gas flow channels supplying an oxidizing gas or a fuel to the membrane electrolyte assembly, the first and second gas flow channels b1 and b2 run in parallel to each other and are alternately arranged; and wherein the oxidizing gas or fuel gas supplied in the first and second gas flow channels a1 and a2 flows in opposite direction to the oxidizing gas or fuel gas supplied in the first and second gas flow channels b1 and b2.

    Abstract translation: 公开了一种燃料电池,其包括:膜电解质组件,其包括聚合物电解质膜和一对催化剂电极,所述聚合物电解质膜保持在该对电极膜之间; 以及保持膜电解质组件的分离器A和B,其中分离器A包括与第一气体流动通道a1相邻的第一气体流动通道a1和第二气体流动通道a2,第一和第二气体流动通道a1 a2向氧化剂气体供给氧化气体或燃料气体,第一和第二气体流路a1,a2相互平行地交替配置,第一气体流路a1的横截面积比 第二气体流路a2; 其中分离器B包括平行于第一和第二气流通道a1和a2延伸的第一气流通道b1和与第一气流通道b1相邻的第二气流通道b2,第一和第二气流 向膜电解质组合件供给氧化气体或燃料的通道,第一和第二气体流路b1,b2相互平行地排列,交替排列; 供给到第一和第二气体流路a1,a2中的氧化气体或燃料气体与供给到第一和第二气体流路b1,b2的氧化气体或燃料气体相反的方向流动。

    POLYMER ELECTROLYTE FUEL CELL HAVING IMPROVED CURRENT COLLECTOR PLATES AND METHOD OF FORMING THE SAME
    33.
    发明申请
    POLYMER ELECTROLYTE FUEL CELL HAVING IMPROVED CURRENT COLLECTOR PLATES AND METHOD OF FORMING THE SAME 审中-公开
    具有改进的电流收集板的聚合物电解质燃料电池及其形成方法

    公开(公告)号:US20080079186A1

    公开(公告)日:2008-04-03

    申请号:US11866954

    申请日:2007-10-03

    Abstract: A polymer electrolyte fuel cell may have a cell stack of a plurality of unit cells. Each of the unit cells includes a hydrogen-ion conductive polymer electrolyte membrane, an anode and a cathode sandwiching the polymer electrolyte membrane, an anode-side separator having a gas flow channel for supplying a fuel gas to the anode, and a cathode-side separator having a gas flow channel for supplying an oxidant gas to the cathode. A pair of current collector plates sandwiches the cell stack, and a pair of end plates clamps the cell stack and the current collector plates under pressure. The current collector plates have a conductive carbon material as a main component, and have a terminal section for connecting a power output cable in the vicinity of an inlet-side manifold for the fuel gas or the oxidant gas.

    Abstract translation: 聚合物电解质燃料电池可以具有多个单电池的电池堆。 每个单电池包括氢离子导电聚合物电解质膜,负极和阴极,夹持聚合物电解质膜,具有用于向阳极供应燃料气体的气体流动通道的阳极侧隔板和阴极侧 分离器具有用于向阴极供应氧化剂气体的气体流动通道。 一对集电板夹着电池堆,一对端板在压力下夹紧电池堆和集电板。 集电板具有导电性碳材料作为主要成分,并且具有用于连接用于燃料气体或氧化剂气体的入口侧歧管附近的动力输出电缆的端子部。

    Polymer electrolyte fuel cell power generation system

    公开(公告)号:US20060251943A1

    公开(公告)日:2006-11-09

    申请号:US11320126

    申请日:2005-12-28

    Abstract: A polymer electrolyte fuel cell power generation system is disclosed which comprises: a fuel cell having a plurality of cells each having a polymer electrolyte membrane and an anode and cathode that are formed so as to sandwich the polymer electrolyte membrane therebetween, a fuel gas path formed so as to guide fuel gas from an inlet of the fuel gas to the anode of each cell and discharge the fuel gas to the outside therefrom, an oxidizing gas path formed so as to guide oxidizing gas from an inlet of the oxidizing gas to the cathode of each cell and discharge the oxidizing gas to the outside therefrom, and a cooling fluid path formed so as to guide a cooling fluid from an inlet of the cooling fluid to a cooling fluid supply manifold and then to a region opposite to power generation regions constituted by the anodes and cathodes of the plurality of cells and discharge the cooling fluid to the outside therefrom through an outlet of the cooling fluid, the fuel cell being configured to generate electric power accompanied with heat generation by a reaction between the fuel gas and the oxidizing gas within the power generation regions; a fuel gas supply apparatus for feeding the fuel gas to the inlet of the fuel gas of the fuel cell; an oxidizing gas supply apparatus for feeding the oxidizing gas to the inlet of the oxidizing gas of the fuel cell; a cooling fluid supply system for causing the cooling fluid to flow through the cooling fluid path of the fuel cell, thereby cooling the fuel cell; and a control unit, wherein the control unit controls, during the power generation, the temperature of the cooling fluid at the inlet of the cooling fluid 401 though the cooling fluid supply system so as to satisfy T1≧T2+1° C. where T1 is a corresponding dew-point temperature of at least either the fuel gas or oxidizing gas at the inlet thereof and T2 is the temperature of the cooling fluid at the inlet of the cooling fluid 401.

    Polymer electrolyte fuel cell and fuel cell system including the same
    36.
    发明授权
    Polymer electrolyte fuel cell and fuel cell system including the same 有权
    聚合物电解质燃料电池和包括其的燃料电池系统

    公开(公告)号:US09287574B2

    公开(公告)日:2016-03-15

    申请号:US13701796

    申请日:2012-03-02

    Abstract: A polymer electrolyte fuel cell according to the present invention includes: an electrolyte layer-electrode assembly (5); a first separator (6A) provided with a first reaction gas flowing region; and a second separator (6B) provided with a second reaction gas flowing region. In the first separator (6A), among one or more first turn portions (28), at least one first turn portion (28) is provided with a first recess (48) and first projections (58). In the second separator (6B), among one or more second turn portions (29), at least one second turn portion (29) is provided with a second recess (49) and second projections (59). When seen in the thickness direction of the first separator (6A), an overlap area is less than or equal to 5% of a gross area, the overlap area being a total overlap area between the first and second recesses (48, 49), the gross area being the total of the following areas: the area of all the first recesses (48); and the area of all the second recesses (49).

    Abstract translation: 根据本发明的聚合物电解质燃料电池包括:电解质层 - 电极组件(5); 设置有第一反应气体流动区域的第一分离器(6A) 和设置有第二反应气体流动区域的第二分离器(6B)。 在第一分离器(6A)中,在一个或多个第一匝部分(28)中,至少一个第一匝部分(28)设置有第一凹部(48)和第一突起(58)。 在第二分离器(6B)中,在一个或多个第二转弯部分(29)中,至少一个第二转弯部分(29)设置有第二凹部(49)和第二突起(59)。 当从第一分离器(6A)的厚度方向看时,重叠面积小于或等于总面积的5%,重叠面积是第一和第二凹部(48,49)之间的总重叠面积, 总面积总共为以下几个:第一个凹槽的面积(48个); 和所有第二凹部(49)的面积。

    Fuel cell separator having reactant gas channels with different cross sections and fuel cell comprising the same
    37.
    发明授权
    Fuel cell separator having reactant gas channels with different cross sections and fuel cell comprising the same 有权
    燃料电池分离器具有不同截面的反应​​气体通道和包含该燃料电池的燃料电池

    公开(公告)号:US08546038B2

    公开(公告)日:2013-10-01

    申请号:US12988611

    申请日:2009-05-18

    Abstract: A fuel cell separator of the present invention is a plate-shaped fuel cell separator including a reaction gas supply manifold hole (21), a reactant gas discharge manifold hole (22), a groove-shaped first reactant gas channel (131), and one or more groove-shaped second reaction gas channels (132, 133), wherein the first reactant gas channel (131) includes a first portion (41) and a second portion (51) located upstream of the first portion (41), and a cross-sectional area of a continuous portion extending from the upstream end of the first reactant gas channel (131) and/or a cross-sectional area of at least a portion of the first reactant gas channel (131) which lies downstream of the first portion (41) is/are smaller than cross-sectional areas of the second reactant gas channels (132, 133).

    Abstract translation: 本发明的燃料电池用隔板是具有反应气体供给歧管孔(21),反应气体排出歧管孔(22),槽状的第一反应气体通路(131)和 一个或多个槽形的第二反应气体通道(132,133),其中第一反应气体通道(131)包括位于第一部分(41)上游的第一部分(41)和第二部分(51),以及 从第一反应气体通道(131)的上游端延伸的连续部分的横截面积和/或位于第一反应气体通道(131)下游的第一反应气体通道(131)的至少一部分的横截面积 第一部分(41)比第二反应气体通道(132,133)的横截面面积小。

    Method of preserving polymer electrolyte fuel cell stack and preservation assembly of polymer electrolyte fuel cell stack
    38.
    发明授权
    Method of preserving polymer electrolyte fuel cell stack and preservation assembly of polymer electrolyte fuel cell stack 有权
    保存聚合物电解质燃料电池堆的方法和聚合物电解质燃料电池堆的保存组装

    公开(公告)号:US08137829B2

    公开(公告)日:2012-03-20

    申请号:US13099863

    申请日:2011-05-03

    Abstract: Provided is a method of preserving a PEFC stack, which is capable of controlling degradation of performance of the PEFC stack during a time period that elapses from when the stack is placed in an uninstalled state until it is placed in an installation position and is practically used. Provided is a preservation assembly of the PEFC stack which is capable of sufficiently inhibiting degradation of performance of the PEFC stack particularly during a time period that elapses from when the stack is placed in the uninstalled state until it is placed in the installation position and is practically used. A method of preserving a PEFC stack that is provided with an oxidizing agent passage (30) having an inlet and an outlet and extending through a cathode and a reducing agent passage (40) having an inlet and an outlet and extending through an anode, comprising preserving the PEFC (200) stack in an uninstalled state in such a manner that an interior of the oxidizing agent passage (30) and an interior of the reducing agent passage (40) are set in a pressure-reduced state.

    Abstract translation: 提供了一种保存PEFC堆栈的方法,其能够在从堆叠处于卸载状态直到其被放置在安装位置并且被实际使用的时间段内经过时间段时控制PEFC堆栈的性能劣化 。 提供了一种PEFC堆叠的保存组件,其能够充分地抑制PEFC堆叠的性能劣化,特别是在堆叠处于卸载状态直到其被放置在安装位置之后经过的时间段内,并且实际上 用过的。 一种保存PEFC堆叠的方法,其具有具有入口和出口并延伸穿过阴极的氧化剂通道(30)和具有入口和出口并延伸穿过阳极的还原剂通道(40),其包括 以使得氧化剂通道(30)的内​​部和还原剂通道(40)的内部处于减压状态的方式将PEFC(200)堆叠保持在卸载状态。

    Preservation assembly of polymer electrolyte fuel cell stack
    39.
    发明授权
    Preservation assembly of polymer electrolyte fuel cell stack 有权
    聚合物电解质燃料电池堆的保存装配

    公开(公告)号:US08021772B2

    公开(公告)日:2011-09-20

    申请号:US12903340

    申请日:2010-10-13

    Abstract: A preservation assembly of a polymer electrolyte fuel cell stack is provided. The assembly includes an uninstalled polymer electrolyte fuel cell stack and sealing units. The uninstalled polymer electrolyte fuel cell stack is provided with an oxidizing agent passage having an inlet and an outlet and extending through a cathode and a reducing agent passage having an inlet and an outlet and extending through an anode. The sealing units include sealing plugs or containers and are configured to seal the inlet and the outlet of the oxidizing agent passage within which an oxygen concentration has been decreased and to seal the inlet and the outlet of the reducing agent passage within which the oxygen concentration has been decreased. The uninstalled polymer electrolyte fuel cell stack is in a state before an assembled polymer electrolyte fuel cell stack is incorporated into a fuel cell system.

    Abstract translation: 提供了一种聚合物电解质燃料电池堆的保存组件。 组件包括卸载的聚合物电解质燃料电池堆和密封单元。 卸载的聚合物电解质燃料电池堆具有具有入口和出口并延伸穿过阴极的氧化剂通道和具有入口和出口并延伸穿过阳极的还原剂通道。 密封单元包括密封塞或容器,并且构造成密封氧浓度已经降低的氧化剂通道的入口和出口,并密封氧浓度具有的还原剂通道的入口和出口 减少了 卸载的聚合物电解质燃料电池堆是处于组装的聚合物电解质燃料电池堆被装入燃料电池系统之前的状态。

    Method of preserving polymer electrolyte fuel cell stack and preservation assembly of polymer electrolyte fuel cell stack
    40.
    发明授权
    Method of preserving polymer electrolyte fuel cell stack and preservation assembly of polymer electrolyte fuel cell stack 有权
    保存聚合物电解质燃料电池堆的方法和聚合物电解质燃料电池堆的保存组装

    公开(公告)号:US07976972B2

    公开(公告)日:2011-07-12

    申请号:US11629496

    申请日:2005-06-14

    Abstract: Provided is a method of preserving a PEFC stack, which is capable of controlling degradation of performance of the PEFC stack during a time period that elapses from when the stack is placed in an uninstalled state until it is placed in an installation position and is practically used. Provided is a preservation assembly of the PEFC stack which is capable of sufficiently inhibiting degradation of performance of the PEFC stack particularly during a time period that elapses from when the stack is placed in the uninstalled state until it is placed in the installation position and is practically used. A method of preserving a PEFC stack that is provided with an oxidizing agent passage (30) having an inlet and an outlet and extending through a cathode and a reducing agent passage (40) having an inlet and an outlet and extending through an anode, comprising preserving the PEFC (200) stack in an uninstalled state in such a manner that an interior of the oxidizing agent passage (30) and an interior of the reducing agent passage (40) are set in a pressure-reduced state.

    Abstract translation: 提供了一种保存PEFC堆栈的方法,其能够在从堆叠处于卸载状态直到其被放置在安装位置并且被实际使用的时间段内经过时间段时控制PEFC堆栈的性能劣化 。 提供了一种PEFC堆叠的保存组件,其能够充分地抑制PEFC堆叠的性能劣化,特别是在堆叠处于卸载状态直到其被放置在安装位置之后经过的时间段内,并且实际上 用过的。 一种保存PEFC堆叠的方法,其具有具有入口和出口并延伸穿过阴极的氧化剂通道(30)和具有入口和出口并延伸穿过阳极的还原剂通道(40),其包括 以使得氧化剂通道(30)的内​​部和还原剂通道(40)的内部处于减压状态的方式将PEFC(200)堆叠保持在卸载状态。

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