Polymer electrolyte fuel cell and fuel cell system including the same
    31.
    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
    32.
    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
    33.
    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
    34.
    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
    35.
    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。

    POLYMER ELECTROLYTE FUEL CELL AND FUEL CELL STACK COMPRISING THE SAME
    36.
    发明申请
    POLYMER ELECTROLYTE FUEL CELL AND FUEL CELL STACK COMPRISING THE SAME 有权
    聚合物电解质燃料电池和包含该电池的燃料电池堆叠

    公开(公告)号:US20110165493A1

    公开(公告)日:2011-07-07

    申请号:US13063353

    申请日:2009-09-11

    Abstract: A polymer electrolyte fuel cell of the present invention includes a membrane electrode assembly (5) having a pair of electrodes (4a, 4b) sandwiching a portion of a polymer electrolyte membrane (1) which is inward relative to a peripheral portion thereof, a first separator (6a), and a second separator (6b), the first separator (6a) is provided with a first reaction gas channel (8) on one main surface, the second separator (6b) is provided with a second reaction gas channel (9) on one main surface such that the second reaction gas channel (9) has a second rib portion (12), the first reaction gas channel (8) is formed such that a ratio of a first reaction gas channel width of an upstream portion (18b) to the second rib portion (12) is set larger than a ratio of a first reaction gas channel width of a downstream portion (18c) to the second rib portion (12), and the ratio of the first reaction gas channel width of the upstream portion (18b) to the second rib portion (12) is a predetermined ratio.

    Abstract translation: 本发明的高分子电解质型燃料电池具备:膜电极接合体(5),其具有夹着高分子电解质膜(1)的相对于其周边部分向内的一部分电极(4a,4b),第一 分离器(6a)和第二分离器(6b),第一分离器(6a)在一个主表面上设置有第一反应气体通道(8),第二分离器(6b)设置有第二反应气体通道 9)在一个主表面上,使得第二反应气体通道(9)具有第二肋部(12),第一反应气体通道(8)形成为使得上游部分的第一反应气体通道宽度 (18b)与第二肋部(12)的比例设定为大于下游部(18c)与第二肋部(12)的第一反应气体流路宽度的比,第一反应气体流路宽度 的上游部分(18b)相对于第二肋部(12)是预定的 比。

    FUEL CELL SEPARATOR AND FUEL CELL INCLUDING SAME
    37.
    发明申请
    FUEL CELL SEPARATOR AND FUEL CELL INCLUDING SAME 有权
    燃料电池分离器和燃料电池,包括它们

    公开(公告)号:US20100227257A1

    公开(公告)日:2010-09-09

    申请号:US12767507

    申请日:2010-04-26

    Abstract: A separator for use in a fuel cell of the present disclosure includes: a plate; a first gas manifold hole (51) for supplying a reactant gas, formed to penetrate said plate in a thickness direction thereof; a second gas manifold hole (52) for discharging the reactant gas, formed to penetrate said plate in a thickness direction thereof; one or more groove-like first main gas channels (18) formed on a surface of said plate to have one end connected to said first gas manifold hole (51) and the other end connected to said second gas manifold hole; a groove-like first sub-gas channel (28) formed on the surface of said plate to have one end connected to at least one of said first gas manifold hole (51) and said second gas manifold hole (52); and a groove-like second sub-gas channel (38) formed on the surface of said plate to have one end branching from said first sub-gas channel (28) and the other end being closed.

    Abstract translation: 本公开的燃料电池用隔板包括:板; 第一气体歧管孔(51),用于供应形成为在其厚度方向上穿透所述板的反应气体; 第二气体歧管孔(52),用于排出反应气体,其形成为在其厚度方向上穿透所述板; 形成在所述板的表面上的一个或多个凹槽状的第一主气体通道(18),其一端连接到所述第一气体歧管孔(51),另一端连接到所述第二气体歧管孔; 形成在所述板的表面上的一个沟槽状的第一子气体通道(28),其一端连接到所述第一气体歧管孔(51)和所述第二气体歧管孔(52)中的至少一个; 以及形成在所述板的表面上的槽状第二子气体通道(38),以使得从所述第一子气体通道(28)分支的一端和另一端被封闭。

    Polymer electrolyte fuel cell
    38.
    发明授权
    Polymer electrolyte fuel cell 有权
    聚合物电解质燃料电池

    公开(公告)号:US07491459B2

    公开(公告)日:2009-02-17

    申请号:US11344095

    申请日:2006-02-01

    Abstract: The polymer electrolyte fuel cell of the present invention is equipped with a cell having an MEA having a hydrogen ion-conducting polymer electrolyte membrane and an anode and a cathode sandwiching the polymer electrolyte membrane; a platelike anode-side separator positioned on one side of the MEA so that the front surface thereof contacts the anode, with fuel gas passages through which fuel gas flows being formed in the front surface; and a platelike cathode-side separator positioned on the other side of the MEA so that the front surface thereof contacts the cathode, with oxidizing gas passages through which oxidizing gas flows being formed in the front surface; a cell stack in which a plurality of said cells is stacked; and a cooling water flow passage, through which cooling water flows, formed on at least the rear surface of one from among the anode-side separator and the cathode-side separator of at least a prescribed cell in said cell stack; where said fuel gas, oxidizing gas, and cooling water flow through said fuel gas passage, oxidizing gas passage, and cooling water passage, respectively, in a manner not running counter to gravity.

    Abstract translation: 本发明的高分子电解质型燃料电池装备有具有氢离子传导性高分子电解质膜的MEA的电池和夹着聚合物电解质膜的阳极和阴极, 位于MEA的一侧上的板状阳极侧隔板,使得其前表面接触阳极,燃料气体在其前表面形成的燃料气体通道; 位于MEA的另一侧的板状阴极侧隔板,其前表面与阴极接触,在前表面形成有氧化气体流过的氧化气体通道; 堆叠多个所述单元的单元堆叠; 以及至少在所述电池堆中的至少规定电池的阳极侧隔板和阴极侧隔板之间的至少后表面上形成有冷却水流过的冷却水流路; 其中所述燃料气体,氧化气体和冷却水分别以不重力的方式流过所述燃料气体通道,氧化气体通道和冷却水通道。

    Polymer electrolyte fuel cell
    40.
    发明授权
    Polymer electrolyte fuel cell 有权
    聚合物电解质燃料电池

    公开(公告)号:US07318974B2

    公开(公告)日:2008-01-15

    申请号:US10118628

    申请日:2002-04-09

    Abstract: A polymer electrolyte fuel cell of the present invention includes a hydrogen ion-conductive polymer electrolyte membrane, an anode and a cathode sandwiching the hydrogen ion-conductive polymer electrolyte membrane, an anode-side conductive separator plate having a gas flow channel for supplying a fuel gas to the anode, and a cathode-side conductive separator plate having a gas flow channel for supplying an oxidant gas to the cathode. Each of the anode-side conductive separator plate and the cathode-side conductive separator plate is rectangle in shape and has an oxidant gas manifold aperture for an inlet arranged on one short side thereof, an oxidant gas manifold aperture for an outlet arranged on the other short side thereof, a fuel gas manifold aperture for an inlet and a fuel gas manifold aperture for an outlet arranged on different longitudinal sides thereof, and a cooling water manifold aperture for an inlet and a cooling water manifold aperture for an outlet arranged on the different longitudinal sides thereof. The respective fuel gas manifold apertures are disposed opposite to the cooling water manifold apertures. The oxidant gas manifold apertures, the fuel gas manifold apertures, and the cooling water manifold apertures have openings of different shapes.

    Abstract translation: 本发明的高分子电解质型燃料电池包括氢离子传导性聚合物电解质膜,负极和阴极,夹持氢离子传导性聚合物电解质膜,具有用于供给燃料的气体流路的阳极侧导电性隔板 气体到阳极,以及阴极侧导电隔板,其具有用于向阴极供给氧化剂气体的气体流路。 阳极侧导电隔板和阴极侧导电隔板中的每一个都是矩形的,并且具有用于设置在其一个短边上的入口的氧化剂气体歧管孔,另一个用于出口的氧化剂气体歧管孔 用于入口的燃料气体歧管孔和布置在其不同纵向侧上的出口的燃料气体歧管孔,以及用于入口的冷却水歧管孔和用于出口的冷却水歧管孔 其纵向侧面。 相应的燃料气体歧管孔与冷却水歧管孔相对设置。 氧化剂气体歧管孔,燃料气体歧管孔和冷却水歧管孔具有不同形状的开口。

Patent Agency Ranking