公开(公告)号：US06818339B1

公开(公告)日：2004-11-16

申请号：US10049567

申请日：2002-02-15

申请人： Yasushi Sugawara ,  Hisaaki Gyoten ,  Makoto Uchida ,  Eiichi Yasumoto ,  Teruhisa Kanbara ,  Junji Morita ,  Yoshihiro Hori ,  Akihiko Yoshida ,  Hidenobu Wakita ,  Hiroki Kusakabe ,  Masato Hosaka ,  Osamu Sakai

发明人： Yasushi Sugawara ,  Hisaaki Gyoten ,  Makoto Uchida ,  Eiichi Yasumoto ,  Teruhisa Kanbara ,  Junji Morita ,  Yoshihiro Hori ,  Akihiko Yoshida ,  Hidenobu Wakita ,  Hiroki Kusakabe ,  Masato Hosaka ,  Osamu Sakai

IPC分类号： H01M402

CPC分类号： H01M4/8636 ,  H01M4/8605 ,  H01M8/0234 ,  H01M8/1004 ,  H01M2008/1095

摘要： The present specification discloses a polymer electrolyte fuel cell characterized in that each of the cathode and the anode comprises catalyst particles, a hydrogen ion-conductive polymer electrode, a conductive porous base material and a water repellent agent, and water repellency of at least one of the cathode and the anode varies in a direction of thickness or in a plane direction. As such, by varying the degree of the water repellency of the cathode and the anode on the basis of a position, an excellent polymer electrolyte fuel cell having a high discharge characteristic or more specifically a high current-voltage characteristic in a high current density range.

摘要翻译： 本说明书公开了一种固体高分子型燃料电池，其特征在于，所述阴极和阳极各自包含催化剂粒子，氢离子传导性高分子电极，导电性多孔质基材，防水剂，以及至少一种 阴极和阳极在厚度方向或平面方向上变化。 因此，通过基于位置改变阴极和阳极的拒水性程度，在高电流密度范围内具有高放电特性或更具体地高电流 - 电压特性的优异的聚合物电解质燃料电池 。

公开(公告)号：US07097932B1

公开(公告)日：2006-08-29

申请号：US10088484

申请日：2000-09-20

申请人： Osamu Sakai ,  Hisaaki Gyoten ,  Hiroki Kusakabe ,  Eiichi Yasumoto ,  Yasushi Sugawara ,  Teruhisa Kanbara ,  Akihiko Yoshida ,  Makoto Uchida ,  Junji Morita

发明人： Osamu Sakai ,  Hisaaki Gyoten ,  Hiroki Kusakabe ,  Eiichi Yasumoto ,  Yasushi Sugawara ,  Teruhisa Kanbara ,  Akihiko Yoshida ,  Makoto Uchida ,  Junji Morita

IPC分类号： H01M4/96

CPC分类号： H01M4/8657 ,  H01M4/8636 ,  H01M8/0234 ,  H01M8/0245 ,  H01M8/1004 ,  H01M8/1007 ,  H01M8/241 ,  H01M8/2415 ,  H01M8/2457 ,  H01M8/2484 ,  H01M2250/20 ,  H01M2250/402 ,  H01M2300/0082 ,  Y02B90/12 ,  Y02E60/521 ,  Y02P70/56 ,  Y02P90/40 ,  Y02T90/32 ,  Y10T29/49108

摘要： A polymer electrolyte fuel cell is provided comprising: a hydrogen ion conductive polymer electrolyte membrane; an anode and a cathode sandwiching the hydrogen ion conductive polymer electrolyte membrane; an anode side electroconductive separator having a gas channel for supplying a fuel gas to the anode; a cathode side electroconductive separator having a gas channel for supplying an oxidant gas to the cathode; characterized in that the anode and the cathode comprise a gas diffusion layer and a catalyst layer formed on the gas diffusion layer at the side in contact with the hydrogen ion conductive polymer electrolyte membrane, the catalyst layer has catalyst particles and a hydrogen ion conductive polymer electrolyte, and at least either of hydrogen ion conductivity and gas permeability of at least either of the anode and the cathode varies in a thickness direction of the anode or the cathode.

摘要翻译： 提供了一种聚合物电解质燃料电池，包括：氢离子导电聚合物电解质膜; 夹持氢离子导电聚合物电解质膜的阳极和阴极; 阳极侧导电隔板，具有用于向阳极供应燃料气体的气体通道; 阴极侧导电隔板，具有用于向阴极供给氧化剂气体的气体通道; 其特征在于，阳极和阴极包括气体扩散层和形成在与氢离子导电聚合物电解质膜接触的一侧的气体扩散层上的催化剂层，催化剂层具有催化剂颗粒和氢离子导电聚合物电解质 并且至少阳极和阴极中的任一个的氢离子传导性和气体渗透性中的至少一种在阳极或阴极的厚度方向上变化。

公开(公告)号：US20050214599A1

公开(公告)日：2005-09-29

申请号：US11137514

申请日：2005-05-26

申请人： Osamu Sakai ,  Hisaaki Gyoten ,  Hiroki Kusakabe ,  Eiichi Yasumoto ,  Yasushi Sugawara ,  Teruhisa Kanbara ,  Akihiko Yoshida ,  Makoto Uchida ,  Junji Morita

发明人： Osamu Sakai ,  Hisaaki Gyoten ,  Hiroki Kusakabe ,  Eiichi Yasumoto ,  Yasushi Sugawara ,  Teruhisa Kanbara ,  Akihiko Yoshida ,  Makoto Uchida ,  Junji Morita

IPC分类号： H01M4/86 ,  H01M4/92 ,  H01M8/02 ,  H01M8/10 ,  H01M8/24 ,  H01M6/00 ,  C25B1/46 ,  H01M8/00

CPC分类号： H01M4/8657 ,  H01M4/8636 ,  H01M8/0234 ,  H01M8/0245 ,  H01M8/1004 ,  H01M8/1007 ,  H01M8/241 ,  H01M8/2415 ,  H01M8/2457 ,  H01M8/2484 ,  H01M2250/20 ,  H01M2250/402 ,  H01M2300/0082 ,  Y02B90/12 ,  Y02E60/521 ,  Y02P70/56 ,  Y02P90/40 ,  Y02T90/32 ,  Y10T29/49108

摘要： A polymer electrolyte fuel cell is provided comprising: a hydrogen ion conductive polymer electrolyte membrane; an anode and a cathode sandwiching the hydrogen ion conductive polymer electrolyte membrane; an anode side electroconductive separator having a gas channel for supplying a fuel gas to the anode; a cathode side electroconductive separator having a gas channel for supplying an oxidant gas to the cathode; characterized in that the anode and the cathode comprise a gas diffusion layer and a catalyst layer formed on the gas diffusion layer at the side in contact with the hydrogen ion conductive polymer electrolyte membrane, the catalyst layer has catalyst particles and a hydrogen ion conductive polymer electrolyte, and at least either of hydrogen ion conductivity and gas permeability of at least either of the anode and the cathode varies in a thickness direction of the anode or the cathode.

摘要翻译： 提供了一种聚合物电解质燃料电池，包括：氢离子导电聚合物电解质膜; 夹持氢离子导电聚合物电解质膜的阳极和阴极; 阳极侧导电隔板，具有用于向阳极供应燃料气体的气体通道; 阴极侧导电隔板，具有用于向阴极供给氧化剂气体的气体通道; 其特征在于，阳极和阴极包括气体扩散层和形成在与氢离子导电聚合物电解质膜接触的一侧的气体扩散层上的催化剂层，催化剂层具有催化剂颗粒和氢离子导电聚合物电解质 并且至少阳极和阴极中的任一个的氢离子传导性和气体渗透性中的至少一种在阳极或阴极的厚度方向上变化。

公开(公告)号：US06541144B2

公开(公告)日：2003-04-01

申请号：US09829454

申请日：2001-04-10

申请人： Hisaaki Gyoten ,  Hiroki Kusakabe ,  Eiichi Yasumoto ,  Osamu Sakai

发明人： Hisaaki Gyoten ,  Hiroki Kusakabe ,  Eiichi Yasumoto ,  Osamu Sakai

IPC分类号： H01M818

CPC分类号： H01M8/184 ,  H01M4/8631 ,  H01M4/92 ,  H01M8/0637 ,  H01M8/1004 ,  H01M8/1009 ,  Y02E60/523 ,  Y02E60/528 ,  Y02E60/566

摘要： A fuel cell system includes a first electrolyte-electrode assembly which comprises a hydrogen ion-conductive electrolyte layer, and a fuel electrode and a hydrogen-generating electrode that sandwich the electrolyte layer; a second electrolyte-electrode assembly which comprises a hydrogen ion-conductive electrolyte layer, and a fuel electrode and an oxidant electrode that sandwich the electrolyte layer; a fuel supplying means for supplying a liquid or gas fuel to the fuel electrode of the first electrolyte-electrode assembly; a means for applying to the fuel electrode of the first electrolyte-electrode assembly a potential which is positive to the hydrogen-generating electrode; and a means for supplying to the fuel electrode of the second electrolyte-electrode assembly hydrogen generated in the hydrogen-generating electrode.

摘要翻译： 燃料电池系统包括：第一电解质电极组件，其包括氢离子传导性电解质层;以及燃料电极和夹持电解质层的产氢电极; 包括氢离子传导电解质层的第二电解质电极组件和夹着电解质层的燃料电极和氧化剂电极; 燃料供给装置，用于将液体或气体燃料供应到第一电解质 - 电极组件的燃料电极; 向所述第一电解质电极组件的燃料电极施加对所述氢生成电极为正的电位的装置; 以及用于向在氢产生电极中产生的第二电解质 - 电极组件氢的燃料电极供应的装置。

公开(公告)号：US06579639B1

公开(公告)日：2003-06-17

申请号：US09587001

申请日：2000-06-05

申请人： Hisaaki Gyoten ,  Makoto Uchida ,  Eiichi Yasumoto ,  Hiroki Kusakabe ,  Yasushi Sugawara ,  Yoshihiro Hori

发明人： Hisaaki Gyoten ,  Makoto Uchida ,  Eiichi Yasumoto ,  Hiroki Kusakabe ,  Yasushi Sugawara ,  Yoshihiro Hori

IPC分类号： H01M200

CPC分类号： H01M8/1004 ,  H01M8/0202

摘要： A polymer electrolyte fuel cell comprising an anode, a cathode, a polymer electrolyte membrane interposed between the anode and the cathode, an anode-side separator plate having a gas flow path to supply fuel gas to the anode and a cathode-side separator plate having a gas flow path to supply oxidant gas to the cathode. Each of the anode and the cathode comprises a catalyst layer in contact with the polymer electrolyte membrane, an electrode supporting material having gas permeability and electronic conductivity, and a water repellent layer interposed between the catalyst layer and the electrode supporting material. The water repellent layer has through holes through which the catalyst layer and the electrode supporting material are electrically connected.

摘要翻译： 一种聚合物电解质燃料电池，包括阳极，阴极，介于阳极和阴极之间的聚合物电解质膜，具有用于向阳极供应燃料气体的气体流动路径的阳极侧隔板，以及阴极侧隔板， 用于向阴极供应氧化剂气体的气体流动路径。 阳极和阴极中的每一个包括与聚合物电解质膜接触的催化剂层，具有气体渗透性的电极支撑材料和电子导电性，以及插入在催化剂层和电极支撑材料之间的防水层。 防水层具有催化剂层和电极支撑材料电连接的通孔。

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：US06991870B2

公开(公告)日：2006-01-31

申请号：US10296338

申请日：2002-03-05

申请人： Eiichi Yasumoto ,  Akihiko Yoshida ,  Makoto Uchida ,  Junji Morita ,  Yasushi Sugawara ,  Hisaaki Gyoten ,  Masao Yamamoto ,  Osamu Sakai ,  Junji Niikura

发明人： Eiichi Yasumoto ,  Akihiko Yoshida ,  Makoto Uchida ,  Junji Morita ,  Yasushi Sugawara ,  Hisaaki Gyoten ,  Masao Yamamoto ,  Osamu Sakai ,  Junji Niikura

IPC分类号： H01M4/94 ,  H01M4/88

CPC分类号： H01M4/8828 ,  H01M4/8605 ,  H01M4/8807 ,  H01M4/8882 ,  H01M4/926 ,  H01M8/1004 ,  H01M2300/0082

摘要： It has been difficult to keep the voltage of a polymer electrolyte fuel cell stable for a long period of time because uniform water content control over the plane of the membrane-electrode assembly is impossible. A gas diffusion electrode is produced by forming a conductive polymer layer composed of conductive particles and a polymer material on a porous material composed of carbon fiber, and forming a catalyst layer composed of platinum-carried carbon particles on the plane of the conductive polymer layer. The conductive polymer layer is composed of conductive particles different in particle size, and the content of the conductive particles having the smaller particle size is decreased from one end towards the other end of the gas diffusion electrode.

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：US20130017458A1

公开(公告)日：2013-01-17

申请号：US13636084

申请日：2011-03-30

申请人： Takahiro Umeda ,  Hiroki Kusakabe ,  Eiichi Yasumoto ,  Shigeyuki Unoki ,  Yasushi Sugawara ,  Soichi Shibata ,  Osamu Sakai

发明人： Takahiro Umeda ,  Hiroki Kusakabe ,  Eiichi Yasumoto ,  Shigeyuki Unoki ,  Yasushi Sugawara ,  Soichi Shibata ,  Osamu Sakai

IPC分类号： H01M8/04 ,  H01M8/06

CPC分类号： H01M8/04955 ,  H01M8/04231 ,  H01M8/04238 ,  H01M8/04365 ,  H01M8/04559 ,  H01M8/04731 ,  H01M8/04753 ,  H01M8/04776 ,  H01M8/04783 ,  H01M2008/1095

摘要： A controller (15) performs a stop operation of stopping electric power generation by a fuel cell (3); then performs an activity recovery operation of stopping the supply of a fuel gas by a fuel gas supply unit (10) to an anode (2a), causing an anode inert gas supply unit (13) to supply an inert gas to the anode (2a), and causing an oxidizing gas supply unit (11) to supply an oxidizing gas to a cathode (2b); and performs control such that the fuel gas supply unit (10) resumes supplying the fuel gas to the anode (2a) to resume the electric power generation by the fuel cell (3) after the cell voltage of the fuel cell (3) which is detected by a voltage detector (14) has decreased to a first voltage or lower.

摘要翻译： 控制器（15）执行由燃料电池（3）停止发电的停止动作; 然后执行停止通过燃料气体供给单元（10）向阳极（2a）供应燃料气体的活动恢复操作，使阳极惰性气体供给单元（13）向阳极（2a）供给惰性气体 ），并且使氧化气体供给单元（11）向阴极（2b）供给氧化气体; 并且进行控制，使得燃料气体供给单元（10）在燃料电池（3）的电池电压为止的情况下，继续向阳极（2a）供给燃料气体，以恢复燃料电池（3）的发电， 由电压检测器（14）检测到的电压已经降低到第一电压或更低。

公开(公告)号：US06667268B1

公开(公告)日：2003-12-23

申请号：US09648117

申请日：2000-08-25

申请人： Yasushi Sugawara ,  Hisaaki Gyoten ,  Makoto Uchida ,  Eiichi Yasumoto ,  Teruhisa Kanbara ,  Junji Morita

发明人： Yasushi Sugawara ,  Hisaaki Gyoten ,  Makoto Uchida ,  Eiichi Yasumoto ,  Teruhisa Kanbara ,  Junji Morita

IPC分类号： H01M488

CPC分类号： H01M4/881 ,  H01M4/8807 ,  H01M4/8828 ,  H01M4/886 ,  H01M4/926 ,  H01M8/1004 ,  H01M2300/0082 ,  Y02P70/56

摘要： A polymer electrolyte fuel cell which includes a pair of electrodes, a polymer electrolyte membrane interposed between the pair of the electrodes, a first conductive separator having a channel for supplying an oxidant gas to one of the electrodes therethrough, and a second conductive separator having a channel for supplying a fuel gas to the other of the electrodes therethrough, wherein at least one of the electrodes includes a porous catalyst layer formed on the surface of the polymer electrolyte membrane, or formed on the surface of a porous conductive base.

摘要翻译： 一种聚合物电解质燃料电池，其包括一对电极，插入在所述一对电极之间的聚合物电解质膜，具有用于向其中一个电极供给氧化剂气体的通道的第一导电隔板，以及具有 用于向另一个电极提供燃料气体的通道，其中至少一个电极包括形成在聚合物电解质膜的表面上的多孔催化剂层，或者形成在多孔导电性基材的表面上。