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：US07005397B2

公开(公告)日：2006-02-28

申请号：US10253823

申请日：2002-09-25

申请人： Yoshihiro Hori ,  Takeshi Yonamine ,  Makoto Uchida ,  Osamu Sakai

发明人： Yoshihiro Hori ,  Takeshi Yonamine ,  Makoto Uchida ,  Osamu Sakai

IPC分类号： H01M4/88 ,  H01M4/92 ,  H01M4/96

CPC分类号： H01M4/886 ,  H01M4/8605 ,  H01M4/8892 ,  H01M4/92 ,  H01M4/96 ,  H01M8/1004 ,  Y02P70/56

摘要： The present invention provides an electrode for a polymer electrolyte fuel cell comprising a high-performance electrode catalyst particle which is sufficiently coated with a hydrogen ion conductive polymer electrolyte and has a water repellent material suitably supplied thereto for water management. The method of producing the electrode in accordance with the present invention comprises the steps of spraying a solution or dispersion of a hydrogen ion conductive polymer electrolyte into a dry atmosphere in which a catalyst particle comprising an electrically conductive carbon powder carrying a platinum group metal catalyst is flowing, to coat the catalyst particle with the polymer electrolyte, and then spraying a solution or dispersion of a water repellent material to the catalyst particle to attach the water repellent material to the catalyst particle.

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：US06696194B1

公开(公告)日：2004-02-24

申请号：US10088302

申请日：2002-03-18

申请人： Yoshihiro Hori ,  Takeshi Yonamine ,  Osamu Sakai ,  Masato Hosaka

发明人： Yoshihiro Hori ,  Takeshi Yonamine ,  Osamu Sakai ,  Masato Hosaka

IPC分类号： H01M0200

CPC分类号： H01M8/0226 ,  H01M8/0206 ,  H01M8/0215 ,  H01M8/0228 ,  H01M2300/0082

摘要： A polymer electrolyte fuel cell including a hydrogen-ion-conductive polymer electrolyte membrane, a pair of electrodes sandwiching the membrane, a conductive separator plate having a gas passage for supplying a fuel to one of the electrodes, and a conductive separator plate having a gas passage for supplying an oxidant to the other electrode. The metallic conductive separator plate is a type in which a conductive coat including conductive particles and glass is formed on a surface having a gas passage. As a result, the corrosion of the metallic plate is suppressed and the degradation of the power generation efficiency after extended use is also suppressed.

摘要翻译： 一种包含氢离子传导性聚合物电解质膜，一对夹着膜的电极的固体高分子型燃料电池，具有用于向一方电极供给燃料的气体通路的导电性隔板，以及具有气体的导电性隔板 用于向另一个电极供应氧化剂的通道。 金属导电性隔板是在具有气体通路的表面上形成有导电性粒子和玻璃的导电性涂层的形式。 结果，抑制了金属板的腐蚀，并且延长使用后的发电效率的劣化也被抑制。

公开(公告)号：US07473486B2

公开(公告)日：2009-01-06

申请号：US11042322

申请日：2005-01-26

申请人： Mikiko Yoshimura ,  Yoshihiro Hori ,  Yoichiro Tsuji ,  Akihiko Yoshida ,  Takeshi Yonamine ,  Makoto Uchida

发明人： Mikiko Yoshimura ,  Yoshihiro Hori ,  Yoichiro Tsuji ,  Akihiko Yoshida ,  Takeshi Yonamine ,  Makoto Uchida

IPC分类号： H01M4/86 ,  H01M4/96

CPC分类号： H01M8/1004 ,  H01M4/8605 ,  H01M4/8642 ,  H01M4/8657 ,  H01M4/881 ,  H01M4/8828 ,  H01M4/8892 ,  H01M4/921 ,  H01M4/926 ,  H01M8/102 ,  H01M8/1039

摘要： An object of the present invention is to provide a catalyst-coated membrane suitable for achieving a polymer electrolyte fuel cell that sufficiently prevents a decrease in the initial characteristics and also exhibits sufficient cell performance for a long period of time and has excellent durability. In at least the cathode catalyst layer, the ratio (WP/WCat-C) of the weight of the polymer electrolyte (WP) to the weight of the catalyst-carrying carbon (WCat-C) is decreased from an innermost layer positioned closest to the polymer electrolyte membrane toward an outermost layer positioned farthest from the polymer electrolyte membrane. The ratio (WP/WCat-C) in the innermost layer is 0.8 to 3.0, and the ratio (WP/WCat-C) in the outermost layer is 0.2 to 0.6.

摘要翻译： 本发明的目的是提供一种适用于实现充分防止初始特性降低的聚合物电解质燃料电池的催化剂涂覆膜，并且长时间表现出足够的电池性能并且具有优异的耐久性。 在至少阴极催化剂层中，聚合物电解质（WP）的重量与催化剂载体碳重量（WCat-C）的重量比（WP / WCat-C）从位于最接近 聚合物电解质膜朝向距离聚合物电解质膜最远的最外层。 最内层的比例（WP / WCat-C）为0.8〜3.0，最外层的比例（WP / WCat-C）为0.2〜0.6。

公开(公告)号：US20050214610A1

公开(公告)日：2005-09-29

申请号：US11042322

申请日：2005-01-26

申请人： Mikiko Yoshimura ,  Yoshihiro Hori ,  Yoichiro Tsuji ,  Akihiko Yoshida ,  Takeshi Yonamine ,  Makoto Uchida

发明人： Mikiko Yoshimura ,  Yoshihiro Hori ,  Yoichiro Tsuji ,  Akihiko Yoshida ,  Takeshi Yonamine ,  Makoto Uchida

IPC分类号： H01M4/86 ,  H01M4/88 ,  H01M4/90 ,  H01M4/92 ,  H01M4/96 ,  H01M8/02 ,  H01M8/10

CPC分类号： H01M8/1004 ,  H01M4/8605 ,  H01M4/8642 ,  H01M4/8657 ,  H01M4/881 ,  H01M4/8828 ,  H01M4/8892 ,  H01M4/921 ,  H01M4/926 ,  H01M8/102 ,  H01M8/1039

摘要： An object of the present invention is to provide a catalyst-coated membrane suitable for achieving a polymer electrolyte fuel cell that sufficiently prevents a decrease in the initial characteristics and also exhibits sufficient cell performance for a long period of time and has excellent durability. In at least the cathode catalyst layer, the ratio (WP/WCat-C) of the weight of the polymer electrolyte (WP) to the weight of the catalyst-carrying carbon (WCat-C) is decreased from an innermost layer positioned closest to the polymer electrolyte membrane toward an outermost layer positioned farthest from the polymer electrolyte membrane. The ratio (WP/WCat-C) in the innermost layer is 0.8 to 3.0, and the ratio (WP/WCat-C) in the outermost layer is 0.2 to 0.6.

摘要翻译： 本发明的目的是提供一种适用于实现充分防止初始特性降低的聚合物电解质燃料电池的催化剂涂覆膜，并且长时间表现出足够的电池性能并且具有优异的耐久性。 在至少阴极催化剂层中，聚合物电解质的重量比（W P P P C C） ）相对于催化剂载体碳（W CatC-C）的重量从位于最靠近聚合物电解质膜的最内层朝向距离聚合物电解质膜最远的最外层降低。 最内层的比例（W / P / W Cat-C）为0.8〜3.0，比率（W / P / W / 最外层中的“Cat-C”）为0.2〜0.6。

公开(公告)号：US07470483B2

公开(公告)日：2008-12-30

申请号：US10730256

申请日：2003-12-09

申请人： Akihiko Yoshida ,  Yoshihiro Hori ,  Osamu Sakai ,  Makoto Uchida ,  Eiichi Yasumoto ,  Shinya Kosako

发明人： Akihiko Yoshida ,  Yoshihiro Hori ,  Osamu Sakai ,  Makoto Uchida ,  Eiichi Yasumoto ,  Shinya Kosako

IPC分类号： H01M4/96

CPC分类号： H01M8/1004 ,  H01M4/8605 ,  H01M8/04119

摘要： A carbon fiber woven fabric for use as a gas diffusion layer base material in a polymer electrolyte fuel cell has a surface that is smoothed and further optimized to inhibit non-uniform infiltration of a coating for water-repellent-layer formation, to provide an electrolyte membrane-electrode assembly suitable for operation under a high humidification condition. The gas diffusion layer base material may be a carbon fiber woven fabric, wherein a ratio of the area of gap portions where neither warp thread nor weft thread exists: (10/W−Y)(10/Z−X) to the area of portions where warp thread is crossing weft thread: XY mm2 is in the range of about 1/1500 to about 1/5, where the carbon fiber woven fabric has a warp density of Z threads/cm, a weft density of W threads/cm, a warp thickness of X mm and a weft thickness of Y mm.

摘要翻译： 在聚合物电解质燃料电池中用作气体扩散层基材的碳纤维织物具有平滑化和进一步优化的表面，以抑制用于防水层形成的涂层的不均匀渗透，从而提供电解质 膜 - 电极组件适用于高加湿条件下的操作。 气体扩散层基材可以是碳纤维织物，其中不存在经线和纬纱的间隙部分的面积比（10 / WY）（10 / ZX）与经线部分的面积 横穿纬纱：XY mm2在约1/1500至约1/5的范围内，其中碳纤维织物的经纱密度为Z线/厘米，纬纱密度为W丝/厘米，经纱厚度 X mm，纬纱厚度Y mm。

公开(公告)号：US20060229194A1

公开(公告)日：2006-10-12

申请号：US11425191

申请日：2006-06-20

申请人： Makoto Uchida ,  Yasushi Sugawara ,  Eiichi Yasumoto ,  Akihiko Yoshida ,  Junji Morita ,  Masao Yamamoto ,  Shinya Kosako ,  Osamu Sakai ,  Yoshihiro Hori

发明人： Makoto Uchida ,  Yasushi Sugawara ,  Eiichi Yasumoto ,  Akihiko Yoshida ,  Junji Morita ,  Masao Yamamoto ,  Shinya Kosako ,  Osamu Sakai ,  Yoshihiro Hori

IPC分类号： H01M4/88 ,  B05D5/12

CPC分类号： H01M4/8605 ,  H01M4/8807 ,  H01M4/8828 ,  H01M4/921 ,  H01M4/926 ,  H01M8/0234 ,  Y02P70/56 ,  Y10T29/49115

摘要： The present invention provides a polymer electrolyte fuel cell having an increased reaction area by forming a gas channel, a proton channel and an electron channel very close to each other inside a catalyst layer. This polymer electrolyte fuel cell includes a hydrogen ion conductive polymer electrolyte membrane; and a pair of electrodes having catalyst layers sandwiching the hydrogen ion conductive polymer electrolyte membrane between them and gas diffusion layers in contact with the catalyst layers, in which the catalyst layer of at least one of the electrodes comprises carbon particles supporting a noble metal catalyst, and the carbon particles include at least two kinds of carbon particles adsorbing a hydrogen ion conductive polymer electrolyte in mutually different dispersed states.

摘要翻译： 本发明通过在催化剂层内形成非常接近的气体通道，质子通道和电子通道，提供了具有增加的反应面积的聚合物电解质燃料电池。 该聚合物电解质燃料电池包括氢离子导电聚合物电解质膜; 以及一对电极，其具有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的催化剂层，其中至少一个电极的催化剂层包含负载贵金属催化剂的碳粒子， 并且所述碳粒子包含以相互不同的分散状态吸附氢离子导电性高分子电解质的至少2种碳粒子。

公开(公告)号：US07201993B2

公开(公告)日：2007-04-10

申请号：US10089814

申请日：2001-08-03

申请人： Makoto Uchida ,  Yasushi Sugawara ,  Eiichi Yasumoto ,  Akihiko Yoshida ,  Junji Morita ,  Masao Yamamoto ,  Shinya Kosako ,  Osamu Sakai ,  Yoshihiro Hori

发明人： Makoto Uchida ,  Yasushi Sugawara ,  Eiichi Yasumoto ,  Akihiko Yoshida ,  Junji Morita ,  Masao Yamamoto ,  Shinya Kosako ,  Osamu Sakai ,  Yoshihiro Hori

IPC分类号： H01M4/00

CPC分类号： H01M4/8605 ,  H01M4/8807 ,  H01M4/8828 ,  H01M4/921 ,  H01M4/926 ,  H01M8/0234 ,  Y02P70/56 ,  Y10T29/49115

摘要： The present invention provides a polymer electrolyte fuel cell having an increased reaction area by forming a gas channel, a proton channel and an electron channel very close to each other inside a catalyst layer. This polymer electrolyte fuel cell includes a hydrogen ion conductive polymer electrolyte membrane; and a pair of electrodes having catalyst layers sandwiching the hydrogen ion conductive polymer electrolyte membrane between them and gas diffusion layers in contact with the catalyst layers, in which the catalyst layer of at least one of the electrodes comprises carbon particles supporting a noble metal catalyst, and the carbon particles include at least two kinds of carbon particles adsorbing a hydrogen ion conductive polymer electrolyte in mutually different dispersed states.

摘要翻译： 本发明通过在催化剂层内形成非常接近的气体通道，质子通道和电子通道，提供了具有增加的反应面积的聚合物电解质燃料电池。 该聚合物电解质燃料电池包括氢离子导电聚合物电解质膜; 以及一对电极，其具有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的催化剂层，其中至少一个电极的催化剂层包含负载贵金属催化剂的碳粒子， 并且碳粒子包含以相互不同的分散状态吸附氢离子导电性高分子电解质的至少2种碳粒子。