公开(公告)号：US07364813B2

公开(公告)日：2008-04-29

申请号：US10936731

申请日：2004-09-09

申请人： Yasushi Sugawara ,  Junji Morita ,  Takeshi Yonamine ,  Yasuo Takebe

发明人： Yasushi Sugawara ,  Junji Morita ,  Takeshi Yonamine ,  Yasuo Takebe

IPC分类号： H01M4/86 ,  H01M4/96 ,  H01M8/10 ,  B01J21/18

CPC分类号： H01M4/926 ,  H01M4/8605 ,  H01M4/881 ,  H01M4/8828 ,  H01M4/90 ,  H01M4/921

摘要： The present invention provides ink for forming a catalyst layer containing at least a cation conductive polymer electrolyte, catalyst-supporting particles including conductive carbon particles and an electrode catalyst supported thereon, and a dispersion medium, wherein the polymer electrolyte has a mean inertia radius of 150 to 300 nm. A catalyst layer made of the catalyst layer ink improves in gas diffusion property and increases cell voltage, which allows providing a proton conductive polymer electrolyte fuel cell capable of maintaining the high cell voltage for a long time.

摘要翻译： 本发明提供用于形成至少含有阳离子导电聚合物电解质的催化剂层的油墨，包含导电性碳颗粒的催化剂负载颗粒和负载在其上的电极催化剂和分散介质，其中聚合物电解质的平均惯性半径为150 至300nm。 由催化剂层油墨制成的催化剂层的气体扩散性提高，电池电压提高，能够长时间保持高电池电压的质子传导性高分子电解质型燃料电池。

公开(公告)号：US07150934B2

公开(公告)日：2006-12-19

申请号：US10508971

申请日：2003-03-25

申请人： Akihiko Yoshida ,  Yoshihiro Hori ,  Makoto Uchida ,  Eiichi Yasumoto ,  Yasuo Takebe ,  Osamu Sakai ,  Shinya Kosako ,  Takeshi Yonamine ,  Masaki Yamauchi ,  Yasushi Sugawara ,  Junji Morita

发明人： Akihiko Yoshida ,  Yoshihiro Hori ,  Makoto Uchida ,  Eiichi Yasumoto ,  Yasuo Takebe ,  Osamu Sakai ,  Shinya Kosako ,  Takeshi Yonamine ,  Masaki Yamauchi ,  Yasushi Sugawara ,  Junji Morita

IPC分类号： H01M4/00

CPC分类号： H01M8/0234 ,  D03D15/00 ,  D03D15/0083 ,  D10B2101/12 ,  D10B2201/24 ,  D10B2321/10 ,  D10B2401/063 ,  D10B2401/16 ,  H01M4/8605 ,  H01M4/92 ,  H01M4/96 ,  H01M8/0247 ,  H01M8/1004 ,  Y02P70/56

摘要： By using a gas diffusion layer for a fuel cell comprising a fabric comprising a warp thread and a weft thread which are made of carbon fiber, wherein the distance X between adjacent intersections where the warp and weft threads cross each other and the thickness Y of the fabric satisfy the equation: 1.4≦X/Y≦3.5, the present invention reduces the surface asperities of the substrate and prevents a micro short-circuit resulting from the piercing of the polymer electrolyte membrane of the fuel cell by the carbon fibers of the fabric so as to improve the characteristics of the fuel cell.In order to further prevent the piercing of the polymer electrolyte membrane by the carbon fibers of the gas diffusion layer substrate, the rough surface of the carbon fabric is smoothed by: (1) applying a clamping pressure of 1 to 20 kgf/cm2 to the contact area between each electrode and each conductive separator plate of the fuel cell; or (2) heating the gas diffusion layer surface before the gas diffusion layer is disposed onto the polymer electrolyte membrane.

摘要翻译： 通过使用包括由碳纤维制成的包括经线和纬纱的织物的燃料电池用气体扩散层，其中，经线和纬线彼此交叉的相邻交点之间的距离X和 织物满足以下等式：1.4 <= X / Y <= 3.5，本发明减小了基板的表面粗糙度，并且防止了燃料电池的聚合物电解质膜被碳纤维刺穿导致的微短路 织物，以改善燃料电池的特性。 为了进一步防止高分子电解质膜被气体扩散层基材的碳纤维刺穿，碳纤维织物的粗糙表面通过以下方式进行平滑化：（1）施加1〜20kgf / cm·SUP > 2 到燃料电池的每个电极和每个导电隔板之间的接触面积; 或者（2）在将气体扩散层配置在高分子电解质膜上之前加热气体扩散层表面。

公开(公告)号：US20050142430A1

公开(公告)日：2005-06-30

申请号：US10508971

申请日：2003-03-25

申请人： Akihiko Yoshida ,  Yoshihiro Hori ,  Makoto Uchida ,  Eiichi Yasumoto ,  Yasuo Takebe ,  Osamu Sakai ,  Shinya Kosako ,  Takeshi Yonamine ,  Masaki Yamauchi ,  Yasushi Sugawara ,  Junji Morita

发明人： Akihiko Yoshida ,  Yoshihiro Hori ,  Makoto Uchida ,  Eiichi Yasumoto ,  Yasuo Takebe ,  Osamu Sakai ,  Shinya Kosako ,  Takeshi Yonamine ,  Masaki Yamauchi ,  Yasushi Sugawara ,  Junji Morita

IPC分类号： D03D15/00 ,  D03D15/12 ,  H01M4/86 ,  H01M4/88 ,  H01M4/92 ,  H01M4/96 ,  H01M4/94 ,  H01M8/10

CPC分类号： H01M8/0234 ,  D03D15/00 ,  D03D15/0083 ,  D10B2101/12 ,  D10B2201/24 ,  D10B2321/10 ,  D10B2401/063 ,  D10B2401/16 ,  H01M4/8605 ,  H01M4/92 ,  H01M4/96 ,  H01M8/0247 ,  H01M8/1004 ,  Y02P70/56

摘要： By using a gas diffusion layer for a fuel cell comprising a fabric comprising a warp thread and a weft thread which are made of carbon fiber, wherein the distance X between adjacent intersections where the warp and weft threads cross each other and the thickness Y of the fabric satisfy the equation: 1.4≦X/Y≦3.5, the present invention reduces the surface asperities of the substrate and prevents a micro short-circuit resulting from the piercing of the polymer electrolyte membrane of the fuel cell by the carbon fibers of the fabric so as to improve the characteristics of the fuel cell. In order to further prevent the piercing of the polymer electrolyte membrane by the carbon fibers of the gas diffusion layer substrate, the rough surface of the carbon fabric is smoothed by: (1) applying a clamping pressure of 1 to 20 kgf/cm2 to the contact area between each electrode and each conductive separator plate of the fuel cell; or (2) heating the gas diffusion layer surface before the gas diffusion layer is disposed onto the polymer electrolyte membrane.

摘要翻译： 通过使用包括由碳纤维制成的包括经线和纬纱的织物的燃料电池用气体扩散层，其中，经线和纬线彼此交叉的相邻交点之间的距离X和 织物满足以下等式：1.4 <= X / Y <= 3.5，本发明减小了基板的表面粗糙度，并且防止了燃料电池的聚合物电解质膜被碳纤维刺穿导致的微短路 织物，以改善燃料电池的特性。 为了进一步防止高分子电解质膜被气体扩散层基板的碳纤维刺穿，碳纤维织物的粗糙表面通过以下方式进行平滑化：（1）施加1〜20kgf / cm·SUP > 2 到燃料电池的每个电极和每个导电隔板之间的接触面积; 或者（2）在将气体扩散层配置在高分子电解质膜上之前加热气体扩散层表面。

公开(公告)号：US20050064276A1

公开(公告)日：2005-03-24

申请号：US10936731

申请日：2004-09-09

申请人： Yasushi Sugawara ,  Junji Morita ,  Takeshi Yonamine ,  Yasuo Takebe

发明人： Yasushi Sugawara ,  Junji Morita ,  Takeshi Yonamine ,  Yasuo Takebe

IPC分类号： B01J21/18 ,  B01J31/00 ,  H01M4/86 ,  H01M4/88 ,  H01M4/90 ,  H01M4/92 ,  H01M4/96 ,  H01M8/00 ,  H01M8/10

CPC分类号： H01M4/926 ,  H01M4/8605 ,  H01M4/881 ,  H01M4/8828 ,  H01M4/90 ,  H01M4/921

摘要： The present invention provides ink for forming a catalyst layer containing at least a cation conductive polymer electrolyte, catalyst-supporting particles including conductive carbon particles and an electrode catalyst supported thereon, and a dispersion medium, wherein the polymer electrolyte has a mean inertia radius of 150 to 300 nm. A catalyst layer made of the catalyst layer ink improves in gas diffusion property and increases cell voltage, which allows providing a proton conductive polymer electrolyte fuel cell capable of maintaining the high cell voltage for a long time.

摘要翻译： 本发明提供用于形成至少含有阳离子导电聚合物电解质的催化剂层的油墨，包含导电性碳颗粒的催化剂负载颗粒和负载在其上的电极催化剂和分散介质，其中聚合物电解质的平均惯性半径为150 至300nm。 由催化剂层油墨制成的催化剂层的气体扩散性提高，电池电压提高，能够长时间保持高电池电压的质子传导性高分子电解质型燃料电池。

公开(公告)号：US07132187B2

公开(公告)日：2006-11-07

申请号：US10256269

申请日：2002-09-27

申请人： Yasushi Sugawara ,  Makoto Uchida ,  Yoshihiro Hori ,  Akihiko Yoshida ,  Osamu Sakai ,  Takeshi Yonamine ,  Shinichi Arisaka ,  Yasuo Takebe

发明人： Yasushi Sugawara ,  Makoto Uchida ,  Yoshihiro Hori ,  Akihiko Yoshida ,  Osamu Sakai ,  Takeshi Yonamine ,  Shinichi Arisaka ,  Yasuo Takebe

IPC分类号： H01M4/96

CPC分类号： H01M4/881 ,  H01M4/9083 ,  H01M8/1004 ,  H01M2300/0094 ,  Y02P70/56

摘要： Disclosed is a fuel cell comprising: a hydrogen-ion conductive polymer electrolyte membrane; a pair of electrodes sandwiching the hydrogen-ion conductive polymer electrolyte membrane; a first separator plate having a gas flow path for supplying a fuel gas to one of the electrodes; and a second separator plate having a gas flow path for supplying an oxidant gas to the other of the electrodes, wherein each of the electrodes has an electrode catalyst layer comprising at least a conductive carbon particle carrying an electrode catalyst particle and a hydrogen-ion conductive polymer electrolyte, the electrode catalyst layer being in contact with the hydrogen-ion conductive polymer electrolyte membrane, and at least one of the electrodes comprises a catalyst for trapping the fuel gas or the oxidant gas which has passed through the hydrogen-ion conductive polymer electrolyte membrane.

摘要翻译： 公开了一种燃料电池，包括：氢离子导电聚合物电解质膜; 夹着氢离子导电性聚合物电解质膜的一对电极; 第一隔板，具有用于将燃料气体供给到所述电极之一的气体流路; 以及具有用于向另一个电极供给氧化剂气体的气体流路的第二隔板，其中每个电极具有至少包含载有电极催化剂颗粒的导电性碳颗粒和氢离子导电性的电极催化剂层 聚合物电解质，电极催化剂层与氢离子导电聚合物电解质膜接触，并且至少一个电极包括用于捕获通过氢离子导电聚合物电解质的燃料气体或氧化剂气体的催化剂 膜。

公开(公告)号：US07220514B2

公开(公告)日：2007-05-22

申请号：US10335958

申请日：2003-01-03

申请人： Eiichi Yasumoto ,  Akihiko Yoshida ,  Makoto Uchida ,  Hisaaki Gyoten ,  Kazuhito Hatoh ,  Yasushi Sugawara ,  Junji Morita ,  Teruhisa Kanbara ,  Yasuo Takebe ,  Masato Hosaka ,  Junji Niikura

发明人： Eiichi Yasumoto ,  Akihiko Yoshida ,  Makoto Uchida ,  Hisaaki Gyoten ,  Kazuhito Hatoh ,  Yasushi Sugawara ,  Junji Morita ,  Teruhisa Kanbara ,  Yasuo Takebe ,  Masato Hosaka ,  Junji Niikura

IPC分类号： H01M4/96 ,  H01M8/10 ,  H01M4/88

CPC分类号： H01M4/8605 ,  H01M4/861 ,  H01M4/8814 ,  H01M4/8821 ,  H01M4/8828 ,  H01M4/921 ,  H01M4/926 ,  H01M8/0234 ,  H01M2008/1095

摘要： In a polymer electrolyte fuel cell including a hydrogen ion conductive polymer electrolyte membrane; a pair of electrodes composed of catalyst layers sandwiching the hydrogen ion conductive polymer electrolyte membrane between them and gas diffusion layers in contact with the catalyst layers; a conductive separator plate having a gas flow channel for supplying a fuel gas to one of the electrodes; and a conductive separator plate having a gas flow channel for supplying an oxidant gas to the other electrode, in order to bring a hydrogen ion conductive polymer electrolyte and a catalyst metal of the catalyst layers containing the hydrogen ion conductive polymer electrolyte and conductive carbon particles carrying the catalyst metal sufficiently and uniformly into contact with each other, the polymer electrolyte is provided in pores of an agglomerate structure of the conductive carbon particles. Consequently, the reaction area inside the electrodes is increased, and higher performance is exhibited.

摘要翻译： 在具有氢离子导电性高分子电解质膜的固体高分子型燃料电池中， 由催化剂层构成的一对电极，夹在其间的氢离子导电性高分子电解质膜和与催化剂层接触的气体扩散层; 具有用于将燃料气体供给到所述电极之一的气体流路的导电性隔板; 以及具有用于向另一个电极供给氧化剂气体的气体流动通道的导电隔板，以便使氢离子导电聚合物电解质和含有氢离子导电聚合物电解质的催化剂层和催化剂层的催化剂金属携带 催化剂金属彼此充分均匀地接触，聚合物电解质被提供在导电碳颗粒的附聚结构的孔中。 因此，电极内的反应区域增加，表现出更高的性能。

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：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：US07943261B2

公开(公告)日：2011-05-17

申请号：US10696505

申请日：2003-10-30

申请人： Yasuo Takebe ,  Kazuhito Hatoh ,  Hiroki Kusakabe ,  Teruhisa Kanbara ,  Makoto Uchida ,  Shinya Kosako ,  Yoichiro Tsuji ,  Yasushi Sugawara

发明人： Yasuo Takebe ,  Kazuhito Hatoh ,  Hiroki Kusakabe ,  Teruhisa Kanbara ,  Makoto Uchida ,  Shinya Kosako ,  Yoichiro Tsuji ,  Yasushi Sugawara

IPC分类号： H01M8/04

CPC分类号： H01M8/0488 ,  H01M8/0271 ,  H01M8/04082 ,  H01M8/04223 ,  H01M8/04231 ,  H01M8/04302 ,  H01M8/04303 ,  H01M8/04365 ,  H01M8/04559 ,  H01M8/04753 ,  H01M8/0494 ,  H01M2008/1095

摘要： A method of operating a fuel cell capable of suppressing degradation of a fuel cell caused by starting and stopping of the fuel cell, including carrying out a restoring operation by decreasing a voltage of the cathode following termination of the fuel cell.

摘要翻译： 一种操作燃料电池的方法，该燃料电池能够抑制燃料电池的启动和停止引起的燃料电池的劣化，包括通过在燃料电池终止之后降低阴极的电压来进行恢复操作。

公开(公告)号：US08192893B2

公开(公告)日：2012-06-05

申请号：US12447855

申请日：2007-11-06

申请人： Atsushi Nogi ,  Takeou Okanishi ,  Yoichiro Tsuji ,  Aoi Muta ,  Haruhiko Shintani ,  Yasuo Takebe

发明人： Atsushi Nogi ,  Takeou Okanishi ,  Yoichiro Tsuji ,  Aoi Muta ,  Haruhiko Shintani ,  Yasuo Takebe

IPC分类号： H01M8/10

CPC分类号： H01M8/1004 ,  H01M8/0271 ,  H01M8/0273 ,  H01M8/0289 ,  H01M8/1062 ,  H01M2300/0082

摘要： A membrane-membrane reinforcing member assembly includes: a polymer electrolyte membrane (1) having a substantially square shape; a pair of membrane-like first membrane reinforcing members (10a) disposed on one main surface of the polymer electrolyte membrane (1) so as to extend along a pair of opposed sides, respectively, of four sides of said one main surface; and a pair of membrane-like second membrane reinforcing members (10b) disposed on another main surface of the polymer electrolyte membrane (1) so as to extend along a pair of opposed sides, respectively, of four sides of said another main surface, wherein: portions of the polymer electrolyte membrane (1) at which portions the first membrane reinforcing members (10a, 10a) and the second membrane reinforcing members (10b, 10b) are disposed are concave; and the first membrane reinforcing members (10a, 10a) and the second membrane reinforcing members (10b, 10b) are disposed such that main surfaces thereof are exposed, and the first membrane reinforcing members (10a, 10a) and the second membrane reinforcing members (10b, 10b) surround a peripheral portion of the polymer electrolyte membrane (1) as a whole.

摘要翻译： 膜 - 膜增强部件组件包括：具有大致正方形形状的聚合物电解质膜（1） 一对膜状第一膜增强部件（10a），其设置在所述高分子电解质膜（1）的一个主面上，分别沿所述一个主面的四个侧面的一对相对侧延伸; 以及分别设置在高分子电解质膜（1）的另一个主面的一对膜状的第二膜增强部件（10b），其分别沿着另一个主面的四个侧面的一对相对侧延伸，其中， ：高分子电解质膜（1）的设置有第一膜增强部件（10a，10a）和第二膜增强部件（10b，10b）的部分为凹部， 并且第一膜增强部件（10a，10a）和第二膜增强部件（10b，10b）被布置成使得其主表面露出，并且第一膜增强部件（10a，10a）和第二膜增强部件 10b，10b）整体围绕聚合物电解质膜（1）的周边部分。