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：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：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：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。

公开(公告)号：US20050255367A1

公开(公告)日：2005-11-17

申请号：US11059361

申请日：2005-02-17

申请人： Ko Takahashi ,  Hiroshi Yamauchi ,  Kenji Yamaga

发明人： Ko Takahashi ,  Hiroshi Yamauchi ,  Kenji Yamaga

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

CPC分类号： H01M8/0265 ,  H01M8/0273 ,  H01M8/04007

摘要： A fuel cell includes multiple generating units layered in multiple, each unit including an electrolyte membrane electrode assembly, gas diffusion layers placed to sandwich the assembly, and a pair of separator units placed outside the gas diffusion layers, wherein a flow channel space is formed between the separator units and the gas diffusion layers, each of the separator units has a separator substrate with multiple gas flow channel grooves, and a pair of frames placed on both surfaces of the substrate, and the cross-sectional area of the flow channel in a direction orthogonal to the direction of the flow channel grooves is different in an upstream portion and a downstream portion. The present invention also discloses a fuel cell separator unit kit and a fuel cell generating unit kit.

摘要翻译： 燃料电池包括多个层叠的多个发电单元，每个单元包括电解质膜电极组件，放置在夹着组件的气体扩散层和放置在气体扩散层外部的一对分离器单元，其中， 分离器单元和气体扩散层，每个分离器单元具有分离器基板，具有多个气体流动通道槽，并且一对框架设置在基板的两个表面上，并且流动通道的横截面积在 与流路槽的方向正交的方向在上游部和下游部不同。 本发明还公开了一种燃料电池分离器单元套件和燃料电池生成单元套件。

公开(公告)号：US20050089747A1

公开(公告)日：2005-04-28

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 ,  H01M2/08 ,  H01M4/94

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

摘要： It is an object of the present invention to simultaneously satisfy reduced separator thickness and pressure drop for power generation by a fuel cell. The present invention provides 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. The manifold in the first separator is in communication with the fuel gas passage section, and the manifold in the second separator with the oxidizing gas passage section via the slit spaces.

摘要翻译： 本发明的目的在于同时满足用于燃料电池发电的减薄的隔板厚度和压降。 本发明提供一种燃料电池，其具有两个以上的堆叠单元，其各自包含形成有歧管和燃料气体通路部的第一分离器，密封第一分离器周边的第一密封片，密封a的第二密封片 第二分离器周边和第二分离器，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 。 第一分离器中的歧管与燃料气体通道部分连通，并且第二分离器中的歧管与氧化气体通道部分经由狭缝空间连通。

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：US20060127744A1

公开(公告)日：2006-06-15

申请号：US11302172

申请日：2005-12-14

申请人： Kenji Yamaga ,  Hiroshi Yamauchi

发明人： Kenji Yamaga ,  Hiroshi Yamauchi

IPC分类号： H01M8/02 ,  H01M2/08

CPC分类号： H01M8/0206 ,  H01M8/021 ,  H01M8/0221 ,  H01M8/0223 ,  H01M8/0247 ,  H01M8/0273 ,  H01M8/0284

摘要： The present invention provides a separator for a fuel cell constructed using a metallic pressed plate, in which a gas channel from a manifold to an electrode surface is formed simply, and a good sealing characteristic is realized. The separator is comprised of a metallic pressed plate, a resinous frame member, and a sealing frame having a sealing material integrated therewith, and a channel for introducing a gas from the manifold to an electrode surface is formed by a metallic surface, the sealing material and a resinous surface. An elastomer such as a rubber is used for the sealing material. Thus, the gas channel from the manifold to the electrode surface can be formed simply, and an excellent sealing characteristic to the gas and water is obtained.

摘要翻译： 本发明提供一种使用金属压板构成的燃料电池用隔板，其中简单地形成从歧管到电极表面的气体通道，并且实现了良好的密封特性。 隔板由金属压板，树脂框架构件和具有与其一体化的密封材料的密封框构成，并且用于将来自歧管的气体引入电极表面的通道由金属表面形成，密封材料 和树脂表面。 密封材料使用橡胶等弹性体。 因此，可以简单地形成从歧管到电极表面的气体通道，并且获得对气体和水的优异的密封特性。