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1.发明授权Method for producing gas diffusion electrode and method for producing polymer electrolyte fuel cell, and gas diffusion electrode and polymer electrolyte fuel cell 有权气体扩散电极的制造方法以及固体高分子型燃料电池的制造方法以及气体扩散电极和聚合物电解质型燃料电池公开(公告)号：US07883817B2
公开(公告)日：2011-02-08
申请号：US11579344
申请日：2005-07-05
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。
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2.发明申请Method for Producing Gas Diffusion Electrode and Method for Producing Polymer Electrolyte Fuel Cell, and Gas Diffusion Electrode and Polymer Electrolyte Fuel Cell 有权生产气体扩散电极的方法及生产聚合物电解质燃料电池的方法，以及气体扩散电极和聚合物电解质燃料电池公开(公告)号：US20080274387A1
公开(公告)日：2008-11-06
申请号：US11579344
申请日：2005-07-05
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。
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3.发明授权Catalyst-coated membrane, membrane-electrode assembly, and polymer electrolyte fuel cell 有权催化剂涂层膜，膜电极组件和聚合物电解质燃料电池公开(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
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。
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4.发明申请Catalyst-coated membrane, membrane-electrode assembly, and polymer electrolyte fuel cell 有权催化剂涂层膜，膜电极组件和聚合物电解质燃料电池公开(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
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。
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5.发明授权Electrolyte film electrode union, fuel cell containing the same and process for producing them 失效电解质膜电极联合体，含有它们的燃料电池及其制造方法公开(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。
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6.发明申请Electrolyte film electrode union, fuel cell containing the same and process for producing them 失效电解质膜电极联合体，含有它们的燃料电池及其制造方法公开(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
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。
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7.发明申请CATALYST-COATED MEMBRANE, MEMBRANE-ELECTRODE ASSEMBLY, FUEL CELL AND FUEL CELL STACK 有权催化涂层膜，膜电极组件，燃料电池和燃料电池堆公开(公告)号：US20100015487A1
公开(公告)日：2010-01-21
申请号：US12095087
申请日：2006-11-24
CPC分类号： H01M4/8636 , H01M4/8642 , H01M4/926 , H01M8/0263 , H01M8/1007 , H01M8/241 , H01M8/2483 , H01M2008/1095 , H01M2250/20 , H01M2300/0082 , Y02T90/32
摘要： The present invention provides a catalyst-coated membrane and a membrane-electrode assembly that can easily and surely achieve a polymer electrolyte fuel cell having excellent durability, in which the decomposition/degradation of a polymer electrolyte membrane can be suppressed, and a decrease in initial characteristics can be prevented sufficiently for a long period of time even when the polymer electrolyte fuel cell is frequently started and stopped. In the catalyst-coated membrane that includes an anode catalyst layer, a cathode catalyst layer, and a hydrogen ion conductive polymer electrolyte membrane interposed between the anode catalyst layer and the cathode catalyst layer, a peripheral area of at least one of the anode catalyst layer and the cathode catalyst layer is provided with a decrease portion in which the mass of the electrode catalyst per unit area of the catalyst layer decreases from the inner side toward the outer side.
摘要翻译： 本发明提供一种能够容易且可靠地实现耐久性优异的聚合物电解质型燃料电池的催化剂被覆膜和膜电极接合体，能够抑制聚合物电解质膜的分解/降解， 即使高分子电解质型燃料电池经常开始停止，也能够长时间地充分地防止特性。 在介于阳极催化剂层和阴极催化剂层之间的包括阳极催化剂层，阴极催化剂层和氢离子导电聚合物电解质膜的催化剂涂覆膜中，阳极催化剂层中的至少一个的周边区域 并且阴极催化剂层设置有减少部分，其中催化剂层的每单位面积的电极催化剂的质量从内侧朝向外侧减小。
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8.发明授权Membrane electrode assembly with a fibrous substrate, method for producing the same and polymer electrolyte fuel cell 失效具有纤维基材的膜电极组件，其制造方法和聚合物电解质燃料电池公开(公告)号：US07687184B2
公开(公告)日：2010-03-30
申请号：US10583374
申请日：2005-09-22
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。
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9.发明申请Membrane Electrode Assembly, Method for Producing the Same and Polymer Electrolyte Fuel Cell 失效膜电极组件及其生产方法和聚合物电解质燃料电池公开(公告)号：US20080311462A1
公开(公告)日：2008-12-18
申请号：US10583374
申请日：2005-09-22
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，设置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满足表达式（1）：< description =“In-line Formulas”end =“lead”？> 0.7 <= TB / TA <= 0.9 <？in-line-formula description =“In-line Formulas”end =“tail”？>
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10.发明授权Catalyst-coated membrane, membrane-electrode assembly, fuel cell and fuel cell stack 有权催化剂涂层膜，膜 - 电极组件，燃料电池和燃料电池堆公开(公告)号：US08129073B2
公开(公告)日：2012-03-06
申请号：US12095087
申请日：2006-11-24
CPC分类号： H01M4/8636 , H01M4/8642 , H01M4/926 , H01M8/0263 , H01M8/1007 , H01M8/241 , H01M8/2483 , H01M2008/1095 , H01M2250/20 , H01M2300/0082 , Y02T90/32
摘要： A catalyst-coated membrane that includes an anode catalyst layer, a cathode catalyst layer, and a hydrogen ion conductive polymer electrolyte membrane interposed between the anode catalyst layer and the cathode catalyst layer, a peripheral area of at least one of the anode catalyst layer and the cathode catalyst layer is provided with a decrease portion in which the mass of the electrode catalyst per unit area of the catalyst layer decreases from the inner side toward the outer side.
摘要翻译： 1.一种催化剂涂膜，其特征在于，在阳极催化剂层和阴极催化剂层之间具有阳极催化剂层，阴极催化剂层和氢离子导电性聚合物电解质膜，阳极催化剂层和 阴极催化剂层设置有减少部分，其中催化剂层的每单位面积的电极催化剂的质量从内侧朝向外侧减小。
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