公开(公告)号：US20110065013A1

公开(公告)日：2011-03-17

申请号：US12920432

申请日：2009-11-18

申请人： Katsunori Nishimura ,  Kenji Yamaga ,  Osamu Kubota ,  Ko Takahashi

发明人： Katsunori Nishimura ,  Kenji Yamaga ,  Osamu Kubota ,  Ko Takahashi

IPC分类号： H01M8/04

CPC分类号： H01M8/0491 ,  H01M8/0267 ,  H01M8/04223 ,  H01M8/04302 ,  H01M8/04303 ,  H01M8/04955 ,  H01M2008/1095 ,  H01M2250/20 ,  Y02T90/32

摘要： A fuel cell stack start method is to provide in which without relying on oxidation and reduction condition of an anode, an output reduction of the fuel cell stack can be avoided.In the start method of a solid polymer type fuel cell stack that is comprised of a separator including an anode flow channel for flowing a fuel, another separator including a cathode flow channel for feeding an oxidant and electrodes and an electrolyte interposed between the separators, the method is characterized by performing successively a first step of feeding the fuel to the fuel cell stack under a condition that a cathode is covered by generated water, a second step of forming an oxide layer on the cathode, a third step of feeding the oxidant gas to the fuel cell stack and a fourth step of extracting load current from the fuel cell stack.

摘要翻译： 燃料电池堆起动方法是在不依赖于阳极的氧化还原条件的情况下提供，可以避免燃料电池堆的输出减少。 在由包括用于使燃料流动的阳极流动通道的分离器构成的固体聚合物型燃料电池堆的起动方法中，包括用于供给氧化剂的阴极流动通道和电极以及插入在分离器之间的电解质的另一分离器， 方法的特征在于连续执行在阴极被生成的水覆盖的条件下将燃料供给到燃料电池堆的第一步骤，在阴极上形成氧化物层的第二步骤，将氧化剂气体 并且提供从燃料电池堆提取负载电流的第四步骤。

公开(公告)号：US08647784B2

公开(公告)日：2014-02-11

申请号：US12920432

申请日：2009-11-18

申请人： Katsunori Nishimura ,  Kenji Yamaga ,  Osamu Kubota ,  Ko Takahashi

发明人： Katsunori Nishimura ,  Kenji Yamaga ,  Osamu Kubota ,  Ko Takahashi

IPC分类号： H01M8/04 ,  H01M8/10

CPC分类号： H01M8/0491 ,  H01M8/0267 ,  H01M8/04223 ,  H01M8/04302 ,  H01M8/04303 ,  H01M8/04955 ,  H01M2008/1095 ,  H01M2250/20 ,  Y02T90/32

摘要： A fuel cell stack start method is to provide in which without relying on oxidation and reduction condition of an anode, an output reduction of the fuel cell stack can be avoided.In the start method of a solid polymer type fuel cell stack that is comprised of a separator including an anode flow channel for flowing a fuel, another separator including a cathode flow channel for feeding an oxidant and electrodes and an electrolyte interposed between the separators, the method is characterized by performing successively a first step of feeding the fuel to the fuel cell stack under a condition that a cathode is covered by generated water, a second step of forming an oxide layer on the cathode, a third step of feeding the oxidant gas to the fuel cell stack and a fourth step of extracting load current from the fuel cell stack.

摘要翻译： 燃料电池堆起动方法是在不依赖于阳极的氧化还原条件的情况下提供，可以避免燃料电池堆的输出减少。 在由包括用于使燃料流动的阳极流动通道的分离器构成的固体聚合物型燃料电池堆的起动方法中，包括用于供给氧化剂的阴极流动通道和电极以及插入在分离器之间的电解质的另一分离器， 方法的特征在于连续执行在阴极被生成的水覆盖的条件下将燃料供给到燃料电池堆的第一步骤，在阴极上形成氧化物层的第二步骤，将氧化剂气体 并且提供从燃料电池堆提取负载电流的第四步骤。

公开(公告)号：US07678486B2

公开(公告)日：2010-03-16

申请号：US11324487

申请日：2006-01-04

申请人： Hiroshi Yamauchi ,  Kenji Yamaga ,  Ko Takahashi

发明人： Hiroshi Yamauchi ,  Kenji Yamaga ,  Ko Takahashi

IPC分类号： H01M2/02

CPC分类号： H01M8/0228 ,  H01M8/0208 ,  H01M8/021 ,  H01M8/0221 ,  H01M8/0254 ,  H01M8/0263 ,  H01M8/0267 ,  H01M8/242 ,  H01M8/2483

摘要： A separator includes an electrically conductive flat plate and two electrically conductive channel plates superposed on each other with the electrically conductive flat plate interposed therebetween. The separator includes a plurality of manifolds for passing a reaction fluid to an adjacent cell are provided in the electrically conductive flat plate, and a plurality of zigzag or straight through-channels for permitting the flowing of the reaction fluid from the manifolds are formed in each of the two channel plates. The separator includes the through-channels in any one of the two electrically conductive channel plates disposed so that they are partially overlapped with the manifolds in the electrically conductive flat plate, and the through-channels in the other electrically conductive channel plate are formed to be partially larger than the contour of the electrically conductive flat plate.

摘要翻译： 分离器包括导电平板和两个彼此重叠的导电通道板，导电平板插入其间。 分离器包括用于将反应流体传递到相邻电池的多个歧管设置在导电平板中，并且在每个中形成用于允许反应流体从歧管流动的多个之字形或直通通道 的两个通道板。 分离器包括两个导电通道板中的任一个中的贯通通道，其布置成使得它们与导电平板中的歧管部分重叠，并且另一个导电通道板中的通道形成为 部分地大于导电平板的轮廓。

公开(公告)号：US20090081524A1

公开(公告)日：2009-03-26

申请号：US12276527

申请日：2008-11-24

申请人： Hiroshi Yamauchi ,  Kenji Yamaga ,  Ko Takahashi

发明人： Hiroshi Yamauchi ,  Kenji Yamaga ,  Ko Takahashi

IPC分类号： H01M2/02

CPC分类号： H01M8/0206 ,  H01M8/0204 ,  H01M8/021 ,  H01M8/0234 ,  H01M8/0239 ,  H01M8/0243 ,  H01M8/0263 ,  H01M8/0267 ,  H01M8/0273 ,  H01M8/04029 ,  H01M8/04074 ,  H01M8/1011 ,  H01M8/242 ,  H01M2008/1095 ,  Y02E60/523

摘要： A fuel cell is provided therein with a metal separator for aiming at preventing corrosion and at reducing a contact resistance. The separator is compose of conductive passage board formed therein with passages, and a metal planar panel, the passage boards and the metal planar panel being superposed with one another. The metal planar panel is formed therein with a plurality of manifolds for passing reactive gas or cooling medium through an adjacent cell while the passage boards are formed therein with a plurality of meandering through channels for distributing the reactive gas or the cooling medium from the manifolds. Further, a part of the meandering through channels is superposed with a part or all parts of the manifolds, and a covering layer for preventing the metal planar panel from being corroded, and for restraining a growth of a nonconductive film is formed over an entire part of the metal planar panel or over at least a part thereof which makes contact with the meandering through channels.

摘要翻译： 在其中设置有用于防止腐蚀和降低接触电阻的金属隔板的燃料电池。 分离器由形成有通道的导电通路板和金属平板组成，通路板和金属平面板彼此重叠。 金属平面板在其中形成有多个歧管，用于使反应性气体或冷却介质通过相邻电池，同时通道板中形成有多个曲折通道，用于从歧管分配反应气体或冷却介质。 此外，弯曲通道的一部分与歧管的一部分或全部重叠，并且用于防止金属平面板被腐蚀并且用于抑制非导电膜的生长的覆盖层形成在整个部分上 的金属平板或其至少一部分，其与曲折的通道相接触。

公开(公告)号：US20050106444A1

公开(公告)日：2005-05-19

申请号：US10785984

申请日：2004-02-26

申请人： Hiroshi Yamauchi ,  Kenji Yamaga ,  Ko Takahashi

发明人： Hiroshi Yamauchi ,  Kenji Yamaga ,  Ko Takahashi

IPC分类号： H01M2/08 ,  H01M4/94 ,  H01M4/96 ,  H01M8/02 ,  H01M8/04 ,  H01M8/10 ,  H01M8/24

CPC分类号： H01M8/0254 ,  H01M8/0206 ,  H01M8/021 ,  H01M8/0213 ,  H01M8/0228 ,  H01M8/023 ,  H01M8/0247 ,  H01M8/0267 ,  H01M8/0271 ,  H01M8/241 ,  H01M8/242

摘要： It is an object of the present invention to reduce contact resistance of a fuel cell cooling section of stamped metal and thereby to improve output capacity of the fuel cell. The present invention provides a fuel cell having a stack structure of several unit cells, each containing electrolyte membrane electrodes, gas diffusion layer provided on each side of the electrode and metallic separator having corrugated passages and coming into contact with each gas diffusion layer, and a separator for cooling provided in the stack structure, wherein the separator for cooling is provided with an elastic and/or compressive and electroconductive intermediate sheet held between the passage planes, and a gasket in the portion other than the passage plane.

摘要翻译： 本发明的目的是降低冲压金属的燃料电池冷却部分的接触电阻，从而提高燃料电池的输出能力。 本发明提供一种燃料电池，其具有多个单电池的堆叠结构，每个单元电池包含电解质膜电极，设置在电极两侧的气体扩散层和具有波纹通道并与每个气体扩散层接触的金属隔板， 用于冷却的分离器设置在堆叠结构中，其中用于冷却的分离器设置有保持在通道平面之间的弹性和/或压缩和导电中间片，以及在通道平面之外的部分中的垫圈。

公开(公告)号：US07320841B2

公开(公告)日：2008-01-22

申请号：US10785988

申请日：2004-02-26

申请人： Kenji Yamaga ,  Hiroshi Yamauchi ,  Ko Takahashi

发明人： Kenji Yamaga ,  Hiroshi Yamauchi ,  Ko Takahashi

IPC分类号： H01M8/02 ,  H01M8/10 ,  H01M4/94

CPC分类号： H01M8/0247 ,  H01M8/026 ,  H01M8/0271 ,  H01M8/1018

摘要： Disclosed is a fuel cell having two or more stacked units each containing a first separator in which a manifold and fuel gas passage section are formed, first seal sheet which seals the first separator periphery, membrane electrode assembly, second seal sheet which seals a second separator periphery and second separator in which a manifold and oxidizing gas passage section are formed, in this order, wherein each of the fuel gas passage section and oxidizing gas passage section is in communication with the corresponding manifold. Comb teeth structure having comb teeth are provided between the fuel gas passage section and manifold and between the oxidizing gas passage section and manifold in a diffusion layer on the membrane electrode assembly, wherein slits spaces formed between the comb teeth are in communication with the diffusion layer.

摘要翻译： 公开了一种燃料电池，其具有两个以上的堆叠单元，每个都包含形成有歧管和燃料气体通道部分的第一分离器，密封第一分离器周边的第一密封片，密封第二分离器的第二密封片 周边和第二分离器，其中形成有歧管和氧化气体通道部分，其中燃料气体通道部分和氧化气体通道部分中的每一个与相应的歧管连通。 具有梳齿的梳齿结构设置在燃料气体通道部分和歧管之间以及氧化气体通道部分和歧管之间的膜电极组件上的扩散层中，其中形成在梳齿之间的狭缝空间与扩散层连通 。

公开(公告)号：US20060147787A1

公开(公告)日：2006-07-06

申请号：US11324487

申请日：2006-01-04

申请人： Hiroshi Yamauchi ,  Kenji Yamaga ,  Ko Takahashi

发明人： Hiroshi Yamauchi ,  Kenji Yamaga ,  Ko Takahashi

IPC分类号： H01M8/02 ,  H01M2/08 ,  H01M4/94

CPC分类号： H01M8/0228 ,  H01M8/0208 ,  H01M8/021 ,  H01M8/0221 ,  H01M8/0254 ,  H01M8/0263 ,  H01M8/0267 ,  H01M8/242 ,  H01M8/2483

摘要： The present invention can achieve the prevention of the corrosion of a metal separator, a reduction in contact resistance and an enhancement in cooling effect in a fuel cell. The separator includes an electrically conductive flat plate and two electrically conductive channel plates superposed on each other with the electrically conductive flat plate interposed therebetween. A plurality of manifolds for passing a reaction fluid to an adjacent cell are provided in the electrically conductive flat plate. A plurality of zigzag or straight through-channels for permitting the flowing of the reaction fluid from the manifolds are formed in each of the two channel plates. The through-channels in any one of the two electrically conductive channel plates are disposed so that they are partially overlapped with the manifolds in the electrically conductive flat plate, and the through-channels in the other electrically conductive channel plate are formed to be partially larger than the contour of the electrically conductive flat plate.

摘要翻译： 本发明可以实现防止金属隔板的腐蚀，降低接触电阻和提高燃料电池的冷却效果。 分离器包括导电平板和两个彼此重叠的导电通道板，导电平板插入其间。 在导电平板中设置有用于将反应流体传递到相邻单元的多个歧管。 在两个通道板的每一个中形成有用于允许反应流体从歧管流动的多个之字形或直通通道。 两个导电通道板中的任一个中的贯通通道被设置为使得它们与导电平板中的歧管部分重叠，并且另一个导电通道板中的通道形成为部分较大 比导电平板的轮廓。

公开(公告)号：US20050221158A1

公开(公告)日：2005-10-06

申请号：US11068985

申请日：2005-03-02

申请人： Hiroshi Yamauchi ,  Kenji Yamaga ,  Ko Takahashi

发明人： Hiroshi Yamauchi ,  Kenji Yamaga ,  Ko Takahashi

IPC分类号： H01M8/02 ,  H01M2/08 ,  H01M8/04 ,  H01M8/10 ,  H01M8/24

CPC分类号： H01M8/0206 ,  H01M8/0204 ,  H01M8/021 ,  H01M8/0234 ,  H01M8/0239 ,  H01M8/0243 ,  H01M8/0263 ,  H01M8/0267 ,  H01M8/0273 ,  H01M8/04029 ,  H01M8/04074 ,  H01M8/1011 ,  H01M8/242 ,  H01M2008/1095 ,  Y02E60/523

摘要： A fuel cell is provided therein with a metal separator for aiming at preventing corrosion and at reducing a contact resistance. The separator is compose of conductive passage board formed therein with passages, and a metal planar panel, the passage boards and the metal planar panel being superposed with one another. The metal planar panel is formed therein with a plurality of manifolds for passing reactive gas or cooling medium through an adjacent cell while the passage boards are formed therein with a plurality of meandering through channels for distributing the reactive gas or the cooling medium from the manifolds. Further, a part of the meandering through channels is superposed with a part or all parts of the manifolds, and a covering layer for preventing the metal planar panel from being corroded, and for restraining a growth of a nonconductive film is formed over an entire part of the metal planar panel or over at least a part thereof which makes contact with the meandering through channels.

摘要翻译： 在其中设置有用于防止腐蚀和降低接触电阻的金属隔板的燃料电池。 分离器由形成有通道的导电通路板和金属平板组成，通路板和金属平面板彼此重叠。 金属平面板在其中形成有多个歧管，用于使反应性气体或冷却介质通过相邻电池，同时通道板中形成有多个曲折通道，用于从歧管分配反应气体或冷却介质。 此外，弯曲通道的一部分与歧管的一部分或全部重叠，并且用于防止金属平面板被腐蚀并且用于抑制非导电膜的生长的覆盖层形成在整个部分上 的金属平板或其至少一部分，其与曲折的通道相接触。

公开(公告)号：US20050208358A1

公开(公告)日：2005-09-22

申请号：US10927236

申请日：2004-08-27

申请人： Katsunori Nishimura ,  Jinichi Imahashi ,  Masahiro Komachiya ,  Ko Takahashi

发明人： Katsunori Nishimura ,  Jinichi Imahashi ,  Masahiro Komachiya ,  Ko Takahashi

IPC分类号： H01M8/10 ,  H01M8/04

CPC分类号： H01M8/04388 ,  H01M8/04089 ,  H01M8/04365 ,  H01M8/04395 ,  H01M8/04432 ,  H01M8/04447 ,  H01M8/04455 ,  H01M8/04574 ,  H01M8/04753 ,  H01M8/04761 ,  H01M8/04783 ,  H01M8/04895 ,  H01M8/04955

摘要： A fuel cell system for power generation comprising a solid polymer type fuel cell having a solid polymer electrolyte membrane for separating an anode gas and a cathode gas, a resistor, an inverter, a switch for switching the inverter and the resister with respect to the fuel cell, the switch and the inverter, a supply conduit and discharge conduit for the anode gas and the cathode gas, and a supply vale and a discharge valve. When a molar ratio of the hydrogen contained in the anode gas to oxygen contained in the cathode gas becomes 2/1 or less at the time of the stop of the fuel cell, the supply valve for air is closed.

摘要翻译： 一种用于发电的燃料电池系统，包括具有用于分离阳极气体和阴极气体的固体聚合物电解质膜的固体聚合物型燃料电池，电阻器，逆变器，用于切换逆变器和电阻器的开关相对于燃料 电池，开关和逆变器，用于阳极气体和阴极气体的供应管道和排放管道，以及供应阀和排出阀。 当燃料电池停止时，阳极气体中包含的氢与氧气的摩尔比为2/1以下时，关闭空气供给阀。

公开(公告)号：US07745035B2

公开(公告)日：2010-06-29

申请号：US12276527

申请日：2008-11-24

申请人： Hiroshi Yamauchi ,  Kenji Yamaga ,  Ko Takahashi

发明人： Hiroshi Yamauchi ,  Kenji Yamaga ,  Ko Takahashi

IPC分类号： H01M8/02

CPC分类号： H01M8/0206 ,  H01M8/0204 ,  H01M8/021 ,  H01M8/0234 ,  H01M8/0239 ,  H01M8/0243 ,  H01M8/0263 ,  H01M8/0267 ,  H01M8/0273 ,  H01M8/04029 ,  H01M8/04074 ,  H01M8/1011 ,  H01M8/242 ,  H01M2008/1095 ,  Y02E60/523

摘要： A separator for a fuel cell, comprising a planar panel formed therein with a plurality of manifolds for passing reactive fluid or cooling medium through adjacent cell, and a pair of conductive passage boards superposed with one another, interposing therebetween the planar panel, the passage boards being formed therein with a plurality of meandering through channels for distributing the reactive fluid or the cooling medium from the manifolds, wherein the planar panel being formed therein with slits through which channel defining walls of the meandering through channels of the fluid passages are electrically connected with each other.

摘要翻译： 一种用于燃料电池的隔板，包括一个平面板，其中形成有用于使反应流体或冷却介质通过相邻电池的多个歧管，以及一对彼此叠置的导电通道板，其间插入平面板，通道板 在其中形成有多个曲折的通道，用于从歧管分配反应流体或冷却介质，其中在其中形成有狭缝的平面面板通过限定流体通道的曲折通过通道的壁的通道与其电连接 彼此。