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    • 23. 发明申请
    • POLYMER ELECTROLYTE FUEL CELL AND FUEL CELL STACK COMPRISING THE SAME
    • 聚合物电解质燃料电池和包含该电池的燃料电池堆叠
    • US20110165493A1
    • 2011-07-07
    • US13063353
    • 2009-09-11
    • Takeou OkanishiNaotsugu KoashiShinsuke TakeguchiYoichiro Tsuji
    • Takeou OkanishiNaotsugu KoashiShinsuke TakeguchiYoichiro Tsuji
    • H01M8/24H01M8/04H01M8/10
    • H01M8/0265H01M8/026H01M8/0263H01M8/0267H01M8/241H01M2008/1095
    • 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.
    • 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。
    • 27. 发明授权
    • Fuel cell system and method of operating fuel cell system
    • 燃料电池系统及运行燃料电池系统的方法
    • US08158294B2
    • 2012-04-17
    • US12160618
    • 2007-01-12
    • Shinsuke TakeguchiYoichiro Tsuji
    • Shinsuke TakeguchiYoichiro Tsuji
    • H01M8/04H01M8/10H01M8/24
    • H01M8/04007H01M8/0263H01M8/0267H01M8/04082H01M8/241H01M8/242H01M8/2457H01M8/2483H01M2008/1095
    • Provided is a fuel cell system which is capable of suppressing deterioration in the performance and durability of a fuel cell stack or restoring deterioration in performance of the fuel cell stack. In addition, provided is a method of operating the fuel cell system. The fuel cell system includes a fuel cell stack in which a gas passage for an anode and a cathode and a heat transmission medium passage have a structure in which inlet-side regions of each of the passages substantially overlap with each other. Outlet-side regions of the anode gas passage, the cathode gas passage, and the heat transmission medium passage substantially overlap with each other as viewed from a direction in which the unit cells are stacked. The fuel cell system also includes at least one anode gas flow inverting device and a cathode gas flow inverting device.
    • 提供一种燃料电池系统,其能够抑制燃料电池堆的性能和耐久性的劣化或恢复燃料电池堆的性能劣化。 此外,提供了操作燃料电池系统的方法。 燃料电池系统包括燃料电池堆,其中用于阳极和阴极的气体通道和传热介质通道具有其中每个通道的入口侧区域彼此基本重叠的结构。 阳极气体通道,阴极气体通道和传热介质通路的出口侧区域从单元电池堆叠的方向观察时基本上彼此重叠。 燃料电池系统还包括至少一个阳极气流反转装置和阴极气流反转装置。
    • 28. 发明申请
    • POLYMER ELECTROLYTE FUEL CELL AND FUEL CELL STACK INCLUDING THE SAME
    • 聚合物电解质燃料电池和燃料电池堆包括它们
    • US20100086819A1
    • 2010-04-08
    • US12531414
    • 2008-03-17
    • Miho GembaYoichiro TsujiShinsuke Takeguchi
    • Miho GembaYoichiro TsujiShinsuke Takeguchi
    • H01M8/04H01M8/10
    • H01M8/0265H01M8/0258H01M8/026H01M8/0263H01M8/0267H01M8/04291H01M8/1007H01M8/241H01M8/2457H01M2008/1095
    • A polymer electrolyte fuel cell includes: a membrane-electrode assembly (10) having a polymer electrolyte membrane (1) and a pair of electrodes (4, 8) sandwiching a portion of the polymer electrolyte membrane (1) which portion is located inwardly of a peripheral portion of the polymer electrolyte membrane (1); an electrically-conductive first separator (30) disposed to contact the membrane-electrode assembly (10) and formed such that a groove-like first reactant gas channel (37) is formed on one main surface thereof so as to bend; and an electrically-conductive second separator (20) disposed to contact the membrane-electrode assembly (10) and formed such that a groove-like second reactant gas channel (27) is formed on one main surface thereof so as to bend, wherein the first reactant gas channel (27) is formed such that a width of a portion of the first reactant gas channel (27) which portion is formed at least a portion (hereinafter referred to as an uppermost stream portion 8C of the first separator 30) located between a portion where the first reactant gas channel (27) extending from an upstream end thereof first contacts the electrode 8 and a portion where the second reactant gas channel (27) extending from an upstream end thereof first contacts the electrode 4 is smaller than a width of a portion of the first reactant gas channel (27) which portion is formed at a portion other than the uppermost stream portion 8C of the first separator 30.
    • 聚合物电解质燃料电池包括:具有聚合物电解质膜(1)的膜 - 电极组件(10)和夹在高分子电解质膜(1)的一部分的一对电极(4,8),该部分位于 聚合物电解质膜(1)的周边部分; 导电的第一分离器(30),设置成与膜 - 电极组件(10)接触并且形成为使得在其一个主表面上形成凹槽状的第一反应气体通道(37)以弯曲; 和设置成接触所述膜 - 电极组件(10)并形成为使得在其一个主表面上形成凹槽状的第二反应气体通道(27)以弯曲的导电的第二隔板(20),其中, 形成第一反应气体通道(27),使得第一反应气体通道(27)的至少部分(以下称为第一分离器30的最上游部分8C)形成的部分的宽度位于 其中从其上游端延伸的第一反应气体通道(27)首先接触电极8的部分与从其上游端延伸的第二反应气体通道(27)首先接触电极4的部分之间小于 第一反应物气体通道(27)的一部分的宽度在第一分离器30的最上游部分8C以外的部分形成。