公开(公告)号：US06210823B1

公开(公告)日：2001-04-03

申请号：US09374517

申请日：1999-08-16

申请人： Kazuhito Hatoh ,  Eiichi Yasumoto ,  Kazufumi Nishida ,  Hisaaki Gyoten ,  Hideo Ohara ,  Makoto Uchida ,  Yasushi Sugawara ,  Teruhisa Kanbara ,  Toshihiro Matsumoto ,  Kouji Nakagawa

发明人： Kazuhito Hatoh ,  Eiichi Yasumoto ,  Kazufumi Nishida ,  Hisaaki Gyoten ,  Hideo Ohara ,  Makoto Uchida ,  Yasushi Sugawara ,  Teruhisa Kanbara ,  Toshihiro Matsumoto ,  Kouji Nakagawa

IPC分类号： H01M802

CPC分类号： H01M8/247 ,  H01M2300/0082

摘要： The present invention provides a polymer electrolyte fuel cell having a small-sized, light-weighted mechanism for fastening a stack of unit cells assembly. The polymer electrolyte fuel cell of the present invention includes a stack of unit cells obtained by laying a plurality of unit cells one upon another; a first end plate disposed on one end of the stack of unit cells; a second end plate arranged on the other end of the stack of unit cells; an auxiliary plate disposed at least outside the first end plate; at least one set of restraining means, each of which has a band-like shape and restrains a first member located on one end of an assembly, which includes the stack of unit cells, the first and the second end plates, and the auxiliary plate, and a second member located on the other end of the assembly to restrict separation of the first member and the second member from each other; a screw fitted in a threaded hole formed in the auxiliary plate in such a manner that an end of the screw comes into contact with the first end plate; and compressive means that generates a repulsive force to compress the stack of unit cells when the screw is fitted in the threaded hole of the auxiliary plate.

摘要翻译： 本发明提供一种聚合物电解质燃料电池，其具有用于紧固单电池组件堆叠的小型轻型机构。 本发明的高分子电解质型燃料电池包括将多个单位电池单独放置而得到的单位电池堆叠; 设置在所述单元电池堆的一端的第一端板; 布置在所述单元电池堆的另一端的第二端板; 设置在所述第一端板的至少外侧的辅助板; 至少一组限制装置，每一个限制装置具有带状形状并且限制位于组件一端的第一构件，该第一构件包括单元电池堆，第一和第二端板以及辅助板 以及位于所述组件的另一端的第二构件，以限制所述第一构件和所述第二构件彼此的分离; 安装在形成在辅助板中的螺纹孔中的螺钉，使得螺钉的端部与第一端板接触; 以及当螺钉装配在辅助板的螺纹孔中时产生排斥力以压缩单元电池堆的压缩装置。

公开(公告)号：US06372373B1

公开(公告)日：2002-04-16

申请号：US09292594

申请日：1999-04-16

申请人： Hisaaki Gyoten ,  Kazuhito Hatoh ,  Kazufumi Nishida ,  Hideo Ohara ,  Eiichi Yasumoto ,  Teruhisa Kanbara ,  Makoto Uchida ,  Yasushi Sugawara ,  Toshihiro Matsumoto ,  Kouji Nakagawa

发明人： Hisaaki Gyoten ,  Kazuhito Hatoh ,  Kazufumi Nishida ,  Hideo Ohara ,  Eiichi Yasumoto ,  Teruhisa Kanbara ,  Makoto Uchida ,  Yasushi Sugawara ,  Toshihiro Matsumoto ,  Kouji Nakagawa

IPC分类号： H01M208

CPC分类号： H01M8/2485 ,  H01M8/0206 ,  H01M8/0254 ,  H01M8/0258 ,  H01M8/0263 ,  H01M8/0267 ,  H01M8/0271 ,  H01M8/0276 ,  H01M8/028 ,  H01M8/0297 ,  H01M8/241 ,  H01M8/2415 ,  H01M2300/0082

摘要： A compact solid polymer electrolyte fuel cell having a simplified structure of a high mechanical strength and an improved gas-sealing property is disclosed. In the solid polymer electrolyte fuel cell of the present invention, gas-tight electrically insulating layers are provided on the flanks or the insides of the module of the above-mentioned laminated unit cells, thereby to give a gas-tightness between said electrode and separator.

摘要翻译： 公开了一种具有机械强度高，气密性好的简化结构的紧凑型固体聚合物电解质燃料电池。 在本发明的固体高分子电解质型燃料电池中，在上述层叠单元电池的组件的侧面或内侧设置气密性电绝缘层，从而在所述电极和分离器之间形成气密性 。

公开(公告)号：US06329093B1

公开(公告)日：2001-12-11

申请号：US09377651

申请日：1999-08-19

申请人： Hideo Ohara ,  Hisaaki Gyoten ,  Kazuhito Hatoh ,  Kazufumi Nishida ,  Makoto Uchida ,  Eiichi Yasumoto ,  Yasushi Sugawara ,  Teruhisa Kanbara ,  Toshihiro Matsumoto

发明人： Hideo Ohara ,  Hisaaki Gyoten ,  Kazuhito Hatoh ,  Kazufumi Nishida ,  Makoto Uchida ,  Eiichi Yasumoto ,  Yasushi Sugawara ,  Teruhisa Kanbara ,  Toshihiro Matsumoto

IPC分类号： H01M804

CPC分类号： H01M8/0247 ,  H01M8/0263 ,  H01M8/0267 ,  H01M8/04029 ,  H01M8/241 ,  H01M8/2415 ,  H01M8/2457 ,  H01M8/2465 ,  H01M8/247 ,  H01M8/2485 ,  H01M8/249 ,  H01M2300/0082

摘要： The present invention provides a polymer electrolyte fuel cell stack that includes an inlet manifold that distributes supplies of the gaseous fuel, the oxidant gas, and cooling water in a sequence of lamination from a unit cell on one end of the cell laminate to a unit cell on the other end of the cell laminate and an outlet manifold that discharges exhausts of the gaseous fuel, the oxidant gas, and the cooling water in an inverted sequence of lamination from the unit cell on the other end of the cell laminate to the unit cell on the one end of the cell laminate. This configuration actualizes a small-sized, compact fuel cell stack.

摘要翻译： 本发明提供了一种聚合物电解质燃料电池堆，其包括入口歧管，所述入口歧管以气体燃料，氧化剂气体和冷却水的顺序从电池层压板的一端上的单电池分配到单电池 在电池层叠体的另一端和排出歧管，排出歧管以与电池层叠体的另一端的单位电池相反的顺序排列排放气体燃料，氧化剂气体和冷却水到单电池 在电池层叠体的一端。 该配置实现了小型紧凑的燃料电池堆。

公开(公告)号：US06869719B2

公开(公告)日：2005-03-22

申请号：US10330886

申请日：2002-12-27

申请人： Kazuhito Hatoh ,  Eiichi Yasumoto ,  Kazufumi Nishida ,  Hisaaki Gyoten ,  Teruhisa Kanbara ,  Hideo Ohara ,  Makoto Uchida ,  Yasushi Sugawara ,  Toshihiro Matsumoto

发明人： Kazuhito Hatoh ,  Eiichi Yasumoto ,  Kazufumi Nishida ,  Hisaaki Gyoten ,  Teruhisa Kanbara ,  Hideo Ohara ,  Makoto Uchida ,  Yasushi Sugawara ,  Toshihiro Matsumoto

IPC分类号： C08L23/22 ,  H01M2/08 ,  H01M8/02 ,  H01M8/04 ,  H01M8/24

CPC分类号： H01M8/02 ,  C08L23/22 ,  H01M8/0213 ,  H01M8/0221 ,  H01M8/0226 ,  H01M8/0228 ,  H01M8/0263 ,  H01M8/0267 ,  H01M8/0271 ,  H01M8/04029 ,  H01M8/04074 ,  H01M8/04119 ,  H01M8/241 ,  H01M8/2483 ,  H01M2300/0082 ,  Y02P70/56

摘要： A polymer electrolyte fuel cell stack that includes a cell laminate having a plurality of unit cells, which are laid one upon another and each of which includes a polymer electrolyte membrane, a pair of electrodes arranged across the polymer electrolyte membrane and having respective catalytic reaction layers, a separator having means for feeding a supply of fuel gas containing hydrogen gas to one of the electrodes, another separator having means for feeding a supply of oxidant gas to the other of the electrodes, and a manifold for feeding the supply of fuel gas or the supply of oxidant gas to the respective electrode and disposed on a side face of each unit cell. In the polymer electrolyte fuel cell stack, a sealing portion is disposed at least in the vicinity of each electrode. The polymer electrolyte fuel cell stack has excellent durability and productivity. Gasket sealing portions, a sealing portion for cooling water, and sealing portions for water and gas in an internal humidifying unit are composed of a polymer compound that has polyisobutylene as the backbone structure. This arrangement ensures high reliability.

摘要翻译： 一种聚合物电解质燃料电池堆，其包括具有多个单元电池的电池层叠体，所述电池层叠体彼此叠放并且各自包括聚合物电解质膜，跨所述聚合物电解质膜布置的一对电极，并且具有各自的催化反应层 具有将含有氢气的燃料气体供给到其中一个电极的装置的分离器，具有用于向另一个电极供给氧化剂气体的装置的另一分离器，以及用于供给燃料气体供应的歧管或 将氧化剂气体供应到各个电极并且设置在每个单电池的侧面上。 在聚合物电解质型燃料电池堆中，密封部至少设置在各电极附近。 聚合物电解质燃料电池堆具有优异的耐久性和生产率。 垫片密封部，冷却水用密封部以及内部加湿单元中的水和气体密封部由以聚异丁烯为主体结构的高分子化合物构成。 这种安排确保了高可靠性。

公开(公告)号：US06531236B1

公开(公告)日：2003-03-11

申请号：US09497058

申请日：2000-02-02

申请人： Kazuhito Hatoh ,  Eiichi Yasumoto ,  Kazufumi Nishida ,  Hisaaki Gyoten ,  Teruhisa Kanbara ,  Hideo Ohara ,  Makoto Uchida ,  Yasushi Sugawara ,  Toshihiro Matsumoto

发明人： Kazuhito Hatoh ,  Eiichi Yasumoto ,  Kazufumi Nishida ,  Hisaaki Gyoten ,  Teruhisa Kanbara ,  Hideo Ohara ,  Makoto Uchida ,  Yasushi Sugawara ,  Toshihiro Matsumoto

IPC分类号： H01M802

CPC分类号： H01M8/02 ,  C08L23/22 ,  H01M8/0213 ,  H01M8/0221 ,  H01M8/0226 ,  H01M8/0228 ,  H01M8/0263 ,  H01M8/0267 ,  H01M8/0271 ,  H01M8/04029 ,  H01M8/04074 ,  H01M8/04119 ,  H01M8/241 ,  H01M8/2483 ,  H01M2300/0082 ,  Y02P70/56

摘要： The present invention provides a polymer electrolyte fuel cell stack that includes a cell laminate having a plurality of unit cells, which are laid one upon another and each of which includes a polymer electrolyte membrane, a pair of electrodes that are arranged across the polymer electrolyte membrane and respectively have a catalytic reaction layer, a separator having means for feeding a supply of fuel gas containing hydrogen gas to one of the electrodes, and another separator having means for feeding a supply of oxidant gas to the other of the electrodes. In the polymer electrolyte fuel cell stack, a sealing portion is disposed at least in the vicinity of each electrode. The polymer electrolyte fuel cell stack of the present invention has excellent durability and productivity. Gasket sealing portions, a sealing portion for cooling water, and sealing portions for water and gas in an internal humidifying unit are constituted by a polymer compound that has polyisobutylene as the backbone structure. This arrangement ensures the high reliability.

摘要翻译： 本发明提供了一种聚合物电解质燃料电池堆，其包括具有多个单位电池的电池层叠体，所述电池层叠体彼此叠放并且各自包括聚合物电解质膜，跨所述聚合物电解质膜布置的一对电极 分别具有催化反应层，隔板，其具有将含有氢气的燃料气体供给到其中一个电极的装置，另一个隔板具有用于向另一个电极供给氧化剂气体的装置。 在聚合物电解质型燃料电池堆中，密封部至少设置在各电极附近。 本发明的高分子电解质型燃料电池堆具有优异的耐久性和生产率。 垫片密封部分，冷却水用密封部分和内部加湿单元中的水和气体密封部分由具有聚异丁烯作为骨架结构的高分子化合物构成。 这种安排确保了高可靠性。

公开(公告)号：US20050003260A1

公开(公告)日：2005-01-06

申请号：US10910044

申请日：2004-08-03

申请人： Kazuhito Hatoh ,  Eiichi Yasumoto ,  Kazufumi Nishida ,  Hisaaki Gyoten ,  Teruhisa Kanbara ,  Hideo Ohara ,  Makoto Uchida ,  Yasushi Sugawara ,  Toshihiro Matsumoto

发明人： Kazuhito Hatoh ,  Eiichi Yasumoto ,  Kazufumi Nishida ,  Hisaaki Gyoten ,  Teruhisa Kanbara ,  Hideo Ohara ,  Makoto Uchida ,  Yasushi Sugawara ,  Toshihiro Matsumoto

IPC分类号： C08L23/22 ,  H01M2/08 ,  H01M8/02 ,  H01M8/04 ,  H01M8/24 ,  H01M8/10

CPC分类号： H01M8/02 ,  C08L23/22 ,  H01M8/0213 ,  H01M8/0221 ,  H01M8/0226 ,  H01M8/0228 ,  H01M8/0263 ,  H01M8/0267 ,  H01M8/0271 ,  H01M8/04029 ,  H01M8/04074 ,  H01M8/04119 ,  H01M8/241 ,  H01M8/2483 ,  H01M2300/0082 ,  Y02P70/56

摘要： A polymer electrolyte fuel cell stack that includes a cell laminate having a plurality of unit cells, which are laid one upon another and each of which includes a polymer electrolyte membrane, a pair of electrodes arranged across the polymer electrolyte membrane and having respective catalytic reaction layers, a separator having means for feeding a supply of fuel gas containing hydrogen gas to one of the electrodes, another separator having means for feeding a supply of oxidant gas to the other of the electrodes, and a manifold for feeding the supply of fuel gas or the supply of oxidant gas to the respective electrode and disposed on a side face of each unit cell. In the polymer electrolyte fuel cell stack, a sealing portion is disposed at least in the vicinity of each electrode. The polymer electrolyte fuel cell stack has excellent durability and productivity. Gasket sealing portions, a sealing portion for cooling water, and sealing portions for water and gas in an internal humidifying unit are composed of a polymer compound that has polyisobutylene as the backbone structure. This arrangement ensures high reliability.

公开(公告)号：US06660419B1

公开(公告)日：2003-12-09

申请号：US09719832

申请日：2000-12-18

申请人： Kazufumi Nishida ,  Eiichi Yasumoto ,  Hisaaki Gyoten ,  Kazuhito Hatoh ,  Makoto Uchida ,  Hideo Ohara ,  Yasushi Sugawara ,  Teruhisa Kanbara ,  Toshihiro Matsumoto ,  Junji Niikura

发明人： Kazufumi Nishida ,  Eiichi Yasumoto ,  Hisaaki Gyoten ,  Kazuhito Hatoh ,  Makoto Uchida ,  Hideo Ohara ,  Yasushi Sugawara ,  Teruhisa Kanbara ,  Toshihiro Matsumoto ,  Junji Niikura

IPC分类号： H01M800

CPC分类号： H01M8/1004 ,  H01M8/0206 ,  H01M8/0213 ,  H01M8/0215 ,  H01M8/0221 ,  H01M8/0223 ,  H01M8/0228 ,  H01M8/0234 ,  H01M8/0254 ,  H01M8/04074 ,  H01M2300/0082

摘要： Disclosed is a polymer electrolyte fuel cell having an improved separator plate. The fuel cell comprises a solid polymer electrolyte membrane; an anode and a cathode sandwiching the solid polymer electrolyte membrane therebetween; an anode-side conductive separator plate having a gas flow path for supplying a fuel gas to the anode; and a cathode-side conductive separator plate having a gas flow path for supplying an oxidant gas to the cathode, wherein each of the anode-side and cathode-side conductive separator plates is composed of a metal and a conductive coat which has resistance to oxidation and covers a surface of the metal. Alternatively, the above-mentioned separator plates are formed of a metal and a coat having resistance to oxidation and have roughened surfaces with recessions and protrusions, and portions of a top surface of the protruding portions, which lack the coat, are electrically connected to an electrode.

摘要翻译： 公开了具有改进的隔板的聚合物电解质燃料电池。 燃料电池包括固体聚合物电解质膜; 将固体聚合物电解质膜夹在其间的阳极和阴极; 阳极侧导电隔板，其具有用于向阳极供给燃料气体的气体流路; 以及具有用于向阴极供给氧化剂气体的气体流路的阴极侧导电性隔板，其特征在于，所述阳极侧和所述阴极侧导电性隔板中的每一个由金属和具有耐氧化性的导电性涂层构成 并覆盖金属的表面。 或者，上述隔板由金属和具有抗氧化性的涂层形成，并且具有凹凸和突起的粗糙表面，并且缺少涂层的突出部分的顶表面的部分电连接到 电极。

公开(公告)号：US06660424B1

公开(公告)日：2003-12-09

申请号：US09763263

申请日：2001-02-20

申请人： Hisaaki Gyoten ,  Eiichi Yasumoto ,  Makoto Uchida ,  Yasushi Sugawara ,  Kazufumi Nishida ,  Kazuhito Hatoh ,  Yukiyoshi Ono ,  Hideo Ohara ,  Junji Morita ,  Yasuo Takebe ,  Teruhisa Kanbara ,  Osamu Sakai

发明人： Hisaaki Gyoten ,  Eiichi Yasumoto ,  Makoto Uchida ,  Yasushi Sugawara ,  Kazufumi Nishida ,  Kazuhito Hatoh ,  Yukiyoshi Ono ,  Hideo Ohara ,  Junji Morita ,  Yasuo Takebe ,  Teruhisa Kanbara ,  Osamu Sakai

IPC分类号： H01M214

CPC分类号： H01M8/0221 ,  H01M8/0223 ,  H01M8/0239 ,  H01M8/0241 ,  H01M8/1004 ,  H01M8/1007 ,  H01M8/2404 ,  H01M8/241 ,  H01M8/2457 ,  H01M2300/0082 ,  Y02P70/56 ,  Y10T29/49115

摘要： The specification discloses a fuel cell comprising stacked unit cells, each of the unit cells including a pair of electrodes having a catalytic reaction layer and a gas diffusion layer, an electrolyte layer disposed between the pair of electrodes, a separator having a flow path for supplying a fuel gas to one electrode and a separator having a flow path for supplying an oxidant gas to the other electrode, the separators being placed on the outer side of the electrodes and the unit cells being stacked with the separators placed therebetween, wherein at least the catalytic reaction layer, the gas diffusion layer or the flow path has water-repelling properties. Thereby, a fuel cell having a superior cell performance is obtained.

摘要翻译： 本说明书公开了一种燃料电池，其包括堆叠的单元电池，每个单元电池包括具有催化反应层和气体扩散层的一对电极，设置在该对电极之间的电解质层，具有用于供给的流路的隔板 一个电极的燃料气体和一个具有用于向另一个电极供应氧化剂气体的流动路径的隔板，隔板被放置在电极的外侧上，并且单元电池被堆叠在一起，隔板之间放置有至少 催化反应层，气体扩散层或流路具有防水性。 由此，获得具有优异的电池性能的燃料电池。

公开(公告)号：US06746793B1

公开(公告)日：2004-06-08

申请号：US09719664

申请日：2000-12-15

申请人： Hisaaki Gyoten ,  Eiichi Yasumoto ,  Kazuhito Hatoh ,  Makoto Uchida ,  Yasushi Sugawara ,  Teruhisa Kanbara ,  Junji Morita ,  Hideo Ohara ,  Kazufumi Nishida ,  Osamu Sakai ,  Yukiyoshi Ono ,  Yasuo Takebe

发明人： Hisaaki Gyoten ,  Eiichi Yasumoto ,  Kazuhito Hatoh ,  Makoto Uchida ,  Yasushi Sugawara ,  Teruhisa Kanbara ,  Junji Morita ,  Hideo Ohara ,  Kazufumi Nishida ,  Osamu Sakai ,  Yukiyoshi Ono ,  Yasuo Takebe

IPC分类号： H01M802

CPC分类号： H01M4/8642 ,  H01M4/8605 ,  H01M4/926 ,  H01M8/1004 ,  H01M2300/0082

摘要： The polymer electrolyte fuel cell of the present invention exhibits an excellent performance with an efficient electrode reaction; by providing a layer comprising an electroconductive fine particle between the catalytic reaction layer and the gas diffusion layer in the electrodes; by providing a hydrogen ion diffusion layer on at least either surface of the catalyst particle or the carrier, which carries the catalyst particle in the catalytic reaction layer; or by constituting the catalytic reaction layer with at least a catalyst comprising a hydrophilic carbon material with catalyst particles carried thereon and a water repellent carbon material.

摘要翻译： 本发明的高分子电解质型燃料电池具有优异的电极反应性能， 通过在催化反应层和电极中的气体扩散层之间提供包含导电细颗粒的层; 通过在催化剂颗粒或载体的至少任一个表面上提供氢离子扩散层，其在催化反应层中承载催化剂颗粒; 或者通过使至少包含亲水性碳材料的催化剂与承载有催化剂颗粒的催化反应层和防水性碳材料构成。

公开(公告)号：US06689504B1

公开(公告)日：2004-02-10

申请号：US09786728

申请日：2001-03-08

申请人： Toshihiro Matsumoto ,  Kazuhito Hatoh ,  Hisaaki Gyoten ,  Hideo Ohara ,  Kazufumi Nishida ,  Teruhisa Kanbara

发明人： Toshihiro Matsumoto ,  Kazuhito Hatoh ,  Hisaaki Gyoten ,  Hideo Ohara ,  Kazufumi Nishida ,  Teruhisa Kanbara

IPC分类号： H01M802

CPC分类号： H01M8/0206 ,  H01M8/0228 ,  H01M8/0263 ,  H01M8/0271 ,  H01M8/1007 ,  H01M8/241 ,  H01M8/247 ,  H01M8/2483 ,  H01M2300/0082

摘要： The present invention provides a fuel cell stack including a plurality of unit cells laid one upon another. Each of the unit cells includes an electrolyte, a pair of electrodes that are arranged across the electrolyte and respectively have a catalytic reaction layer, and a separator having means for feeding a supply of gaseous fuel to one of the electrodes and a supply of oxidant gas to the other of the electrodes. The separator is a laminate including a gas-tight conductive plate A and another conductive plate B having at least one slit, which continuously meanders from one end to another end of the conductive plate B. The technique of the present invention gives a compact fuel cell stack assembled by a simple process.

摘要翻译： 本发明提供一种燃料电池堆，其包括彼此叠置的多个单元电池。 每个单元电池包括电解质，一对电极，其布置在电解质两侧并分别具有催化反应层，以及具有用于将气态燃料供给到电极之一的装置和用于提供氧化剂气体的装置的隔板 到另一个电极。 隔板是包括气密导电板A和具有至少一个狭缝的另一个导电板B的层压体，该导电板B从导电板B的一端连续地弯曲到另一端。本发明的技术给出了紧凑的燃料电池 堆栈通过简单的过程组装。