公开(公告)号：US20130122397A1

公开(公告)日：2013-05-16

申请号：US13701796

申请日：2012-03-02

Applicant: Shinsuke Takeguchi

Inventor： Shinsuke Takeguchi

IPC: H01M8/10

CPC classification number: H01M8/1018 ,  H01M8/0258 ,  H01M8/0263 ,  H01M8/0267 ,  H01M8/241 ,  H01M8/2483 ,  H01M2008/1095 ,  Y02E60/50

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。

公开(公告)号：US08435657B2

公开(公告)日：2013-05-07

申请号：US13361496

申请日：2012-01-30

Applicant: Shinichi Arisaka ,  Yoichiro Tsuji ,  Eiichi Yasumoto ,  Hatoh Kazuhito ,  Shinsuke Takeguchi

Inventor： Shinichi Arisaka ,  Yoichiro Tsuji ,  Eiichi Yasumoto ,  Hatoh Kazuhito ,  Shinsuke Takeguchi

IPC: H01M8/04

CPC classification number: H01M8/043 ,  B60L11/1892 ,  B60L11/1898 ,  H01M8/0267 ,  H01M8/04223 ,  H01M8/1007 ,  H01M8/242 ,  H01M8/2457 ,  H01M8/2483 ,  Y02T90/34

Abstract: A preservation assembly of a 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. The PEFC 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 PEFC stack is preserved in an uninstalled state in such a manner that an interior of the oxidizing agent passage and an interior of the reducing agent passage are set in a pressure-reduced state.

Abstract translation: PEFC堆叠的保存组件，其能够充分地抑制PEFC堆叠的性能的劣化，特别是在堆叠处于卸载状态直到其被放置在安装位置并被实际使用的时间段内。 PEFC堆叠设置有具有入口和出口并延伸穿过阴极和具有入口和出口并延伸穿过阳极的还原剂通道的氧化剂通道。 将PEFC堆叠保持在卸载状态，使得氧化剂通道的内部和还原剂通道的内部被设定为减压状态。

公开(公告)号：US08278008B2

公开(公告)日：2012-10-02

申请号：US11997950

申请日：2006-08-04

Applicant: Hiroki Kusakabe ,  Toshihiro Matsumoto ,  Norihiko Kawabata ,  Yoshiki Nagao ,  Shinsuke Takeguchi ,  Yasuo Takebe ,  Masaki Nobuoka

Inventor： Hiroki Kusakabe ,  Toshihiro Matsumoto ,  Norihiko Kawabata ,  Yoshiki Nagao ,  Shinsuke Takeguchi ,  Yasuo Takebe ,  Masaki Nobuoka

IPC: H01M8/04

CPC classification number: H01M8/026 ,  H01M8/0263 ,  H01M8/0265 ,  H01M2008/1095

Abstract: A fuel cell separator and a fuel cell are provided that can improve uniformity in reaction gas flow rate and can prevent flooding due to excessive condensed water in passage grooves appropriately. A reaction gas passage region (101) of a separator (2) has a flow splitting region (21) having a passage groove group where the reaction gas is split, and one or more flow merge regions (22) having a recessed portion in which the reaction gas is mixed and connecting a plurality of flow splitting regions so that the passage groove group of the adjacent flow splitting regions (21) are connected to the recessed portion, and protrusions (27) vertically extend from a bottom face of the recessed portion and arranged in an island form. A pair of passage groove groups connected to the recessed portion of the flow merge region (22) is formed so as to have a greater number of grooves in the upstream passage groove group than the number of grooves of grooves in the downstream passage groove group. The recessed portion of the flow merge region (22) is defined, in a turn portion of a serpentine shaped reaction gas passage region (101), by oblique boundaries between the recessed portion and a pair of passage groove groups which are connected to the recessed portion and by the outer end of the turn portion.

Abstract translation: 提供了能够提高反应气体流量的均匀性的燃料电池用隔板和燃料电池，能够适当地防止通道槽内的过度的冷凝水引起的淹水。 分离器（2）的反应气体通道区域（101）具有分流区域（21），其具有分离反应气体的通道槽组，以及一个或多个具有凹部的流动合流区域（22），其中 反应气体混合并连接多个分流区域，使得相邻分流区域（21）的通道槽组连接到凹部，并且突起（27）从凹部的底面垂直延伸 并以岛屿形式安排。 与流动合流区域（22）的凹部连接的一对通道槽组形成为在上游通道槽组中具有比下游通道槽组中的槽的槽数更多的槽。 流动合流区域（22）的凹部在蛇形反应气体通路区域（101）的转弯部分中被限定在凹部与一对通道槽组之间的斜边界， 部分和转弯部分的外端。

公开(公告)号：US08158294B2

公开(公告)日：2012-04-17

申请号：US12160618

申请日：2007-01-12

Applicant: Shinsuke Takeguchi ,  Yoichiro Tsuji

Inventor： Shinsuke Takeguchi ,  Yoichiro Tsuji

IPC: H01M8/04 ,  H01M8/10 ,  H01M8/24

CPC classification number: H01M8/04007 ,  H01M8/0263 ,  H01M8/0267 ,  H01M8/04082 ,  H01M8/241 ,  H01M8/242 ,  H01M8/2457 ,  H01M8/2483 ,  H01M2008/1095

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US08137863B2

公开(公告)日：2012-03-20

申请号：US12020249

申请日：2008-01-25

Applicant: Shinsuke Takeguchi ,  Kazuhito Hatoh ,  Hiroki Kusakabe ,  Toshihiro Matsumoto

Inventor： Shinsuke Takeguchi ,  Kazuhito Hatoh ,  Hiroki Kusakabe ,  Toshihiro Matsumoto

IPC: H01M2/14

CPC classification number: H01M8/0271 ,  H01M8/026 ,  H01M8/0263 ,  H01M8/0276 ,  H01M8/0278 ,  H01M2008/1095

Abstract: Even if reaction gas flows into a substantially rectangular anode-side and cathode-side gaps formed between an annular main body portion and a membrane electrode assembly in an anode side and a cathode side of a fuel cell, the reaction gas is prevented from flowing out from an outlet without passing through an electrode to cause degradation of power generation efficiency. At least one of anode-side gasket and cathode-side gasket in the fuel cell is provided with an extra sealing portion connected to an annular main body portion in such a manner that, among two pairs of gap portions opposing to each other in the anode-side gap and the cathode-side gap, the extra sealing portion intersects with one pair of gap portions having a larger pressure gradient of fuel gas and oxidant gas in a direction from an upstream side to a downstream side of a fuel gas flow channel and an oxidant gas flow channel.

Abstract translation: 即使反应气体流入在燃料电池的阳极侧和阴极侧形成于环状主体部与膜电极组件之间的大致矩形的阳极侧和阴极侧的间隙，也能够防止反应气体流出 从而不通过电极而导致发电效率降低。 燃料电池中的阳极侧衬垫和阴极侧衬垫中的至少一个设置有与环形主体部分连接的额外的密封部分，使得在阳极中彼此相对的两对间隙部分中 所述多个密封部与燃料气体和氧化剂气体的压力梯度比从燃料气体流路的上游侧向下游侧更大的压力梯度的一对间隙相交， 氧化剂气体流动通道。

公开(公告)号：US20110212381A1

公开(公告)日：2011-09-01

申请号：US13128701

申请日：2009-09-30

Applicant: Takashi Nakagawa ,  Toshihiro Matsumoto ,  Shinsuke Takeguchi ,  Miyuki Yoshimoto

Inventor： Takashi Nakagawa ,  Toshihiro Matsumoto ,  Shinsuke Takeguchi ,  Miyuki Yoshimoto

IPC: H01M8/04 ,  H01M8/10

CPC classification number: H01M8/0263 ,  H01M8/0206 ,  H01M8/0213 ,  H01M8/0232 ,  H01M8/0258 ,  H01M8/026 ,  H01M8/0267 ,  H01M8/04007 ,  H01M8/04276 ,  H01M8/241 ,  H01M8/2457 ,  H01M8/2483 ,  H01M2008/1095

Abstract: A fuel cell comprising: a membrane electrolyte assembly having a polymer electrolyte membrane and a pair of catalyst electrodes, namely an air electrode and a fuel electrode sandwiching the polymer electrolyte membrane; a pair of separators, namely an air electrode separator and a fuel electrode separator sandwiching the membrane electrolyte assembly; two or more oxidizing gas channels running in a certain direction for the purpose of supplying an oxidizing gas to the air electrode; and two or more linear fuel gas channels arranged parallel to the certain direction for the purpose of supplying a fuel gas to the fuel electrode. Large gaps and small gaps are provided alternately between adjacent two oxidizing gas channels along the certain direction, and the fuel gas channels do not overlap portions of the oxidizing gas channels, that are parallel to the fuel gas channels.

Abstract translation: 一种燃料电池，包括：膜电解质组件，其具有聚合物电解质膜和一对催化剂电极，即空气电极和夹着聚合物电解质膜的燃料电极; 一对分离器，即空气电极隔板和夹着膜电解质组件的燃料电极隔板; 两个或更多个氧化气体通道在一定方向上运行，以便向空气电极提供氧化气体; 以及与该特定方向平行布置的两个或更多个线性燃料气体通道，用于向燃料电极供应燃料气体。 在相邻的两个氧化剂气体通道之间沿着一定方向交替地设置大间隙和小间隙，并且燃料气体通道不与燃料气体通道平行的氧化气体通道的部分重叠。

公开(公告)号：US20110033768A1

公开(公告)日：2011-02-10

申请号：US12937510

申请日：2009-05-18

Applicant: Shinsuke Takeguchi ,  Yoichiro Tsuji ,  Takashi Nakagawa

Inventor： Shinsuke Takeguchi ,  Yoichiro Tsuji ,  Takashi Nakagawa

IPC: H01M8/04

CPC classification number: H01M8/026 ,  H01M8/0263 ,  H01M8/0265 ,  H01M2008/1095

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 and 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 first specified portion 81 which is a continuous portion including at least the first portion of the first reactant gas channel 131 and/or a cross-sectional area of a second specified portion 82 which extends continuously from at least a downstream end of the first reactant gas channel 131 is/are smaller than cross-sectional areas of the second reactant gas channels 132 and 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，槽状第一反应气体通道131以及一个以上的槽状的板状燃料电池隔板 第二反应气体通道132和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，以及作为连续部分的第一特定部分81的横截面积 包括至少第一反应物气体通道131的第一部分和/或从第一反应气体通道131的至少下游端连续延伸的第二规定部分82的横截面面积小于交叉点， 第二反应气体通道132和133的横截面积。

公开(公告)号：US20100086819A1

公开(公告)日：2010-04-08

申请号：US12531414

申请日：2008-03-17

Applicant: Miho Gemba ,  Yoichiro Tsuji ,  Shinsuke Takeguchi

Inventor： Miho Gemba ,  Yoichiro Tsuji ,  Shinsuke Takeguchi

IPC: H01M8/04 ,  H01M8/10

CPC classification number: H01M8/0265 ,  H01M8/0258 ,  H01M8/026 ,  H01M8/0263 ,  H01M8/0267 ,  H01M8/04291 ,  H01M8/1007 ,  H01M8/241 ,  H01M8/2457 ,  H01M2008/1095

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US07678490B2

公开(公告)日：2010-03-16

申请号：US10820160

申请日：2004-04-08

Applicant: Shinsuke Takeguchi ,  Kazuhito Hatoh ,  Hiroki Kusakabe ,  Hideo Ohara ,  Soichi Shibata ,  Takeshi Tomizawa

Inventor： Shinsuke Takeguchi ,  Kazuhito Hatoh ,  Hiroki Kusakabe ,  Hideo Ohara ,  Soichi Shibata ,  Takeshi Tomizawa

IPC: H01M8/02 ,  H01M8/10

CPC classification number: H01M8/04126 ,  H01M8/0258 ,  H01M8/0263 ,  H01M8/04201 ,  H01M8/04291 ,  H01M8/241 ,  H01M8/2457 ,  H01M8/2483 ,  H01M8/2484 ,  H01M2008/1095

Abstract: A polymer electrolyte fuel cell is provided with a conductive separator having one or more gas flow channels for supplying and exhausting a gas to and from an electrode of the fuel cell. The gas flow channels are connected to and in fluid communication with an inlet manifold on the separator. The cell also includes a gas supply connection in fluid communication with the inlet manifold of the separator. Water accumulation in the cell can be advantageously reduced by configuring the connections to the inlet manifold so that the lowermost part of any gas flow channel connections with the inlet manifold is above the uppermost part of the gas supply connection to the inlet manifold.

Abstract translation: 聚合物电解质燃料电池设置有具有一个或多个气体流动通道的导电隔离件，用于向燃料电池的电极供给和排出气体。 气体流动通道连接到分离器上的入口歧管并与流体连通。 电池还包括与分离器的入口歧管流体连通的气体供应连接。 可以通过配置与入口歧管的连接来有利地减少电池中的积水，使得与入口歧管连接的任何气体流动通道的最下部分在与入口歧管的气体供应连接的最上部分之上。

公开(公告)号：US07611786B2

公开(公告)日：2009-11-03

申请号：US11320126

申请日：2005-12-28

Applicant: Kazuhito Hatoh ,  Hiroki Kusakabe ,  Shinsuke Takeguchi ,  Yasuhiro Seki

Inventor： Kazuhito Hatoh ,  Hiroki Kusakabe ,  Shinsuke Takeguchi ,  Yasuhiro Seki

IPC: H01M8/04 ,  H01M8/10 ,  H01M8/24

CPC classification number: H01M8/0267 ,  H01M8/026 ,  H01M8/0263 ,  H01M8/04007 ,  H01M8/04052 ,  H01M8/04074 ,  H01M8/04141 ,  H01M8/04149 ,  H01M8/04358 ,  H01M8/04365 ,  H01M8/04723 ,  H01M8/04731 ,  H01M8/04753 ,  H01M8/04783 ,  H01M8/241 ,  H01M8/2457 ,  H01M8/2483

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.