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：US07455703B2

公开(公告)日：2008-11-25

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： H01M4/82 ,  H01M6/00 ,  H01M8/00 ,  H01M2/00

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。

公开(公告)号：US07883817B2

公开(公告)日：2011-02-08

申请号：US11579344

申请日：2005-07-05

申请人： Yoshihiro Hori ,  Mikiko Yoshimura ,  Yoichiro Tsuji ,  Takeshi Yonamine ,  Masaki Yamauchi

发明人： Yoshihiro Hori ,  Mikiko Yoshimura ,  Yoichiro Tsuji ,  Takeshi Yonamine ,  Masaki Yamauchi

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

CPC分类号： H01M4/8605 ,  H01M4/8814 ,  H01M4/8828 ,  H01M4/8882 ,  H01M2008/1095 ,  Y10T29/49108

摘要： The present invention provides a gas diffusion electrode capable of sufficiently preventing not only degradation of MEA during storage but also degradation of initial characteristics and durability during the time period from production to initial use, and a polymer electrolyte fuel cell including the gas diffusion electrode. The gas diffusion electrode includes a catalyst layer in which A1 representing a total mass of organic substance comprising alcohol, a partial oxide of the alcohol, a product of intramolecular dehydrogenation reaction of the alcohol, a product of intermolecular condensation reaction of the alcohol, a product of intermolecular condensation reaction between the alcohol and the partial oxide and a product of intermolecular condensation reaction of the partial oxide, E1 representing a total mass of carbon powder and G1 representing a total mass of cation exchange resin are controlled to satisfy {100×A1/(E1+G1)}≦0.05.

摘要翻译： 本发明提供一种气体扩散电极，其能够充分地防止存储期间的MEA的劣化，而且能够在从生产到初始使用的时间段期间的初始特性和耐久性的劣化，以及包括气体扩散电极的固体高分子型燃料电池。 气体扩散电极包括：催化剂层，其中Al表示包含醇的有机物质的总质量，醇的部分氧化物，醇的分子内脱氢反应的产物，醇的分子间缩合反应的产物，产物 醇和部分氧化物之间的分子间缩合反应和部分氧化物的分子间缩合反应的产物，表示碳粉末的总质量的E1和表示阳离子交换树脂的总质量的G1被控制为满足{100×A1 / （E1 + G1）}＆nlE; 0.05。

公开(公告)号：US06916575B2

公开(公告)日：2005-07-12

申请号：US10296895

申请日：2002-03-06

申请人： Yoshihiro Hori ,  Masato Hosaka ,  Junji Nikura ,  Kazuhito Hatoh ,  Teruhisa Kanbara ,  Takeshi Yonamine ,  Hiroaki Matsuoka

发明人： Yoshihiro Hori ,  Masato Hosaka ,  Junji Nikura ,  Kazuhito Hatoh ,  Teruhisa Kanbara ,  Takeshi Yonamine ,  Hiroaki Matsuoka

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

CPC分类号： H01M8/1004 ,  H01M4/8605 ,  H01M4/92 ,  H01M4/96 ,  H01M2300/0082 ,  Y02P70/56

摘要： In a polymer electrolyte fuel cell of the present invention, at least one of electrodes comprises conductive carbon carrying a platinum group metal catalyst, conductive carbon carrying no catalyst metal and a hydrogen ion-conductive polymer electrolyte. The preferable amount of the conductive carbon carrying no catalyst metal is equivalent to 5 to 50 wt % of the conductive carbon carrying the catalyst metal. Incorporation of the conductive carbon carrying no catalyst metal to the catalyst layer enables reduction in potential concentration on part of electron conduction channels in an electrode, whereby an electrode for a polymer electrolyte fuel cell having an excellent life characteristic can be provided.

摘要翻译： 在本发明的高分子电解质型燃料电池中，电极中至少有一方含有携带铂族金属催化剂的导电性碳，不含有催化剂金属的导电性碳和氢离子传导型高分子电解质。 不含催化剂金属的导电性碳的优选量相当于载持催化剂金属的导电性碳的5〜50重量％。 将不含催化剂金属的导电性碳引入到催化剂层中能够减少电极中的一部分电子传导通道的电位浓度，由此可以提供具有优异寿命特性的固体高分子型燃料电池用电极。

公开(公告)号：US20080274387A1

公开(公告)日：2008-11-06

申请号：US11579344

申请日：2005-07-05

申请人： Yoshihiro Hori ,  Mikiko Yoshimura ,  Yoichiro Tsuji ,  Takeshi Yonamine ,  Masaki Yamauchi

发明人： Yoshihiro Hori ,  Mikiko Yoshimura ,  Yoichiro Tsuji ,  Takeshi Yonamine ,  Masaki Yamauchi

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

CPC分类号： H01M4/8605 ,  H01M4/8814 ,  H01M4/8828 ,  H01M4/8882 ,  H01M2008/1095 ,  Y10T29/49108

摘要： The present invention provides a gas diffusion electrode capable of sufficiently preventing not only degradation of MEA during storage but also degradation of initial characteristics and durability during the time period from production to initial use, and a polymer electrolyte fuel cell including the gas diffusion electrode. The gas diffusion electrode includes a catalyst layer in which A1 representing a total mass of organic substance comprising alcohol, a partial oxide of the alcohol, a product of intramolecular dehydrogenation reaction of the alcohol, a product of intermolecular condensation reaction of the alcohol, a product of intermolecular condensation reaction between the alcohol and the partial oxide and a product of intermolecular condensation reaction of the partial oxide, E1 representing a total mass of carbon powder and G1 representing a total mass of cation exchange resin are controlled to satisfy {100×A1/(E1+G1)}≦0.05.

摘要翻译： 本发明提供一种气体扩散电极，其能够充分地防止存储期间的MEA的劣化，而且能够在从生产到初始使用的时间段期间的初始特性和耐久性的劣化，以及包括气体扩散电极的固体高分子型燃料电池。 气体扩散电极包括催化剂层，其中表示包含醇的有机物质的总质量，醇的部分氧化物，醇的分子内脱氢反应的产物，分子间的产物 醇的缩合反应，醇和部分氧化物之间的分子间缩合反应的产物和部分氧化物的分子间缩合反应的产物，代表碳粉末的总质量，G < 控制表示阳离子交换树脂的总质量的SUB> 1 以满足{100×A 1 + ）} <= 0.05。

公开(公告)号：US07687184B2

公开(公告)日：2010-03-30

申请号：US10583374

申请日：2005-09-22

申请人： Masaki Yamauchi ,  Yoshihiro Hori ,  Akihiko Yoshida ,  Mikiko Yoshimura ,  Makoto Uchida

发明人： Masaki Yamauchi ,  Yoshihiro Hori ,  Akihiko Yoshida ,  Mikiko Yoshimura ,  Makoto Uchida

IPC分类号： H01M4/00 ,  H01M8/10

CPC分类号： H01M8/023 ,  H01M8/1004 ,  H01M2008/1095

摘要： In a conventional polymer membrane electrode assembly, particularly when operated for a long period of time, a portion of the polymer electrolyte membrane to be in contact with the gas diffusion layer has suffered significant degradation. In order to address this, in a membrane electrode assembly including a hydrogen ion conductive polymer electrolyte membrane, a pair of catalyst layers arranged on both surfaces of the polymer electrolyte membrane, and a pair of gas diffusion layers, each including a fibrous substrate, arranged on the outer surfaces of the catalyst layers, a thickness TA of a center portion that faces the catalyst layer and a thickness TB of a peripheral portion surrounding the center portion are set to satisfy a expression (1): 0.7≦TB/TA≦0.9.

摘要翻译： 在常规的聚合物膜电极组件中，特别是长时间操作时，与气体扩散层接触的部分高分子电解质膜已遭受显着的劣化。 为了解决这个问题，在包括氢离子导电聚合物电解质膜，布置在高分子电解质膜的两个表面上的一对催化剂层和包括纤维基材的一对气体扩散层的膜电极组件中， 在催化剂层的外表面上，面向催化剂层的中心部分的厚度TA和围绕中心部分的周边部分的厚度TB被设定为满足式（1）：0.7＆nlE; TB / TA＆nlE; 0.9。

公开(公告)号：US07622215B2

公开(公告)日：2009-11-24

申请号：US11071575

申请日：2005-03-04

申请人： Yoshihiro Hori ,  Akihiko Yoshida ,  Mikiko Yoshimura ,  Makoto Uchida ,  Shinji Kinoshita ,  Hirokazu Wakabayashi

发明人： Yoshihiro Hori ,  Akihiko Yoshida ,  Mikiko Yoshimura ,  Makoto Uchida ,  Shinji Kinoshita ,  Hirokazu Wakabayashi

IPC分类号： H01M4/00 ,  H01M8/10 ,  H01M6/04

CPC分类号： H01M4/881 ,  H01M4/8605 ,  H01M4/8828 ,  H01M4/886 ,  H01M4/921 ,  H01M8/026 ,  H01M8/0263 ,  H01M8/0289 ,  H01M8/1004 ,  H01M8/1007 ,  H01M8/1053 ,  H01M8/106 ,  H01M8/1062 ,  H01M8/241 ,  H01M8/242 ,  H01M8/2483 ,  Y02P70/56

摘要： To provide a polymer electrolyte membrane having excellent size stability and excellent mechanical strength that can sufficiently prevent the size change due to the swelling condition, the displacement of the polymer electrolyte membrane and the formation of wrinkles during the production of the polymer electrolyte fuel cell, and can prevent damage during the production and operation of the polymer electrolyte fuel cell. In a composite electrolyte membrane including a porous reinforcement layer made of a resin and an electrolyte layer made of a polymer electrolyte and laminated at least one main surface of the reinforcement layer, the direction having a high tensile modulus of elasticity in the reinforcement layer is substantially corresponded with the direction having a high rate of size change in the electrolyte layer.

摘要翻译： 为了提供具有优异的尺寸稳定性和优异的机械强度的高分子电解质膜，其能够充分地防止由于溶胀条件引起的尺寸变化，聚合物电解质膜的位移和在制造聚合物电解质燃料电池期间形成皱纹，以及 可以防止在固体高分子型燃料电池的制造和运转中的损伤。 在包括由树脂制成的多孔加强层和由聚合物电解质制成的电解质层并且叠层在加强层的至少一个主表面上的复合电解质膜中，加强层中具有高拉伸弹性模量的方向基本上 对应于电解质层中具有高比例尺寸变化的方向。

公开(公告)号：US20050227132A1

公开(公告)日：2005-10-13

申请号：US11071575

申请日：2005-03-04

申请人： Yoshihiro Hori ,  Akihiko Yoshida ,  Mikiko Yoshimura ,  Makoto Uchida

发明人： Yoshihiro Hori ,  Akihiko Yoshida ,  Mikiko Yoshimura ,  Makoto Uchida

IPC分类号： H01M8/02 ,  H01M4/86 ,  H01M4/88 ,  H01M4/92 ,  H01M8/10 ,  H01M8/24

CPC分类号： H01M4/881 ,  H01M4/8605 ,  H01M4/8828 ,  H01M4/886 ,  H01M4/921 ,  H01M8/026 ,  H01M8/0263 ,  H01M8/0289 ,  H01M8/1004 ,  H01M8/1007 ,  H01M8/1053 ,  H01M8/106 ,  H01M8/1062 ,  H01M8/241 ,  H01M8/242 ,  H01M8/2483 ,  Y02P70/56

摘要： To provide a polymer electrolyte membrane having excellent size stability and excellent mechanical strength that can sufficiently prevent the size change due to the swelling condition, the displacement of the polymer electrolyte membrane and the formation of wrinkles during the production of the polymer electrolyte fuel cell, and can prevent damage during the production and operation of the polymer electrolyte fuel cell. In a composite electrolyte membrane including a porous reinforcement layer made of a resin and an electrolyte layer made of a polymer electrolyte and laminated at least one main surface of the reinforcement layer, the direction having a high tensile modulus of elasticity in the reinforcement layer is substantially corresponded with the direction having a high rate of size change in the electrolyte layer.

摘要翻译： 为了提供具有优异的尺寸稳定性和优异的机械强度的高分子电解质膜，其能够充分地防止由于溶胀条件引起的尺寸变化，聚合物电解质膜的位移和在制造聚合物电解质燃料电池期间形成皱纹，以及 可以防止在固体高分子型燃料电池的制造和运转中的损伤。 在包括由树脂制成的多孔加强层和由聚合物电解质制成的电解质层并且叠层在加强层的至少一个主表面上的复合电解质膜中，加强层中具有高拉伸弹性模量的方向基本上 对应于电解质层中具有高比例尺寸变化的方向。

公开(公告)号：US20050197246A1

公开(公告)日：2005-09-08

申请号：US11002574

申请日：2004-12-03

申请人： Akihiko Yoshida ,  Yoichiro Tsuji ,  Masaki Yamauchi ,  Yoshihiro Hori ,  Makoto Uchida ,  Hisaaki Gyoten ,  Teruhisa Kanbara

发明人： Akihiko Yoshida ,  Yoichiro Tsuji ,  Masaki Yamauchi ,  Yoshihiro Hori ,  Makoto Uchida ,  Hisaaki Gyoten ,  Teruhisa Kanbara

IPC分类号： H01M4/88 ,  B05D5/12 ,  H01M4/86 ,  H01M4/94 ,  H01M4/96 ,  H01M8/02 ,  H01M8/10

CPC分类号： H01M8/023 ,  H01M4/8605 ,  H01M8/0234 ,  H01M8/0243 ,  Y02P70/56

摘要： The present invention provides a gas diffusion layer for a fuel cell which has proper rigidity, is easy to handle and contributes to the improvement of the productivity of fuel cells. A method for producing a gas diffusion layer for a fuel cell including a first step of: impregnating a conductive porous substrate made of a conductive carbon fiber cloth or conductive carbon fiber felt with a first dispersion containing a first fluorocarbon resin having thermoplasticity; and baking the first conductive porous substrate at a first baking temperature of not less than the melting point of the first fluorocarbon resin and less than the decomposition temperature of the first fluorocarbon resin to enhance the rigidity of the conductive porous substrate.

摘要翻译： 本发明提供一种燃料电池用气体扩散层，其具有适当的刚性，易于处理并有助于提高燃料电池的生产率。 一种燃料电池用气体扩散层的制造方法，其特征在于，包括以下步骤：浸渍由导电性碳纤维布或导电性碳纤维毡制成的导电性多孔质基材，所述第一分散体含有具有热塑性的第一氟碳树脂; 在不低于第一氟碳树脂的熔点的第一烘烤温度和低于第一氟碳树脂的分解温度的条件下烘烤第一导电性多孔质基材，以提高导电性多孔质基材的刚性。

公开(公告)号：US20050074640A1

公开(公告)日：2005-04-07

申请号：US10947720

申请日：2004-09-23

申请人： Yoshihiro Hori ,  Mikiko Yoshimura ,  Kunihiro Ukai ,  Hidenobu Wakita ,  Makoto Uchida

发明人： Yoshihiro Hori ,  Mikiko Yoshimura ,  Kunihiro Ukai ,  Hidenobu Wakita ,  Makoto Uchida

IPC分类号： B01D53/88 ,  H01M8/02 ,  H01M8/04 ,  H01M8/06 ,  H01M8/00 ,  H01M8/12 ,  H01M8/18

CPC分类号： H01M8/0662 ,  B01D53/885 ,  B01D2258/0208 ,  H01M8/04074 ,  H01M8/04134 ,  H01M8/04141

摘要： A fuel cell system is disclosed, including a fuel cell configured to generate an electric power using a fuel gas and an oxidizing gas supplied to the fuel cell, and a total enthalpy heat exchanger configured to heat and humidify the oxidizing gas using heat and water exhausted from the fuel cell, wherein the total enthalpy heat exchanger is capable of removing impurities contained in the oxidizing gas from the oxidizing gas.

摘要翻译： 公开了一种燃料电池系统，其包括：燃料电池，被配置为使用供应到燃料电池的燃料气体和氧化气体产生电力;以及总焓热交换器，其被配置为使用热和水排出来加热和加湿氧化气体 从燃料电池，其中总焓热交换器能够从氧化气体中除去包含在氧化气体中的杂质。