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1.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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2.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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3.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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4.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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5.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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6.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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公开(公告)号：US20130101917A1
公开(公告)日：2013-04-25
申请号：US13806657
申请日：2012-04-04
IPC分类号： H01M8/10
CPC分类号： H01M8/1004 , H01M8/0267 , H01M8/0273 , H01M8/0276 , H01M8/0284 , H01M8/241 , H01M8/2457 , H01M2008/1095
摘要： A polymer electrolyte fuel cell includes: a sealing structure (9) including a substantially rectangular ring-shaped first gasket portion (9a) and a substantially rectangular ring-shaped second gasket portion (9b), the first gasket portion (9a) being positioned outward of a peripheral portion of a first gas diffusion layer (5) and between a first separator (7) and a first catalyst layer (2) positioned at a peripheral portion of a polymer electrolyte membrane 1, the second gasket portion (9b) being positioned outward of the peripheral portion of the polymer electrolyte membrane (1) and between the first separator (7) and a second separator (8); and at least the first catalyst layer (2), a second catalyst layer (3), and a swellable resin portion (II) formed of a swellable resin whose volume expands when water is added thereto, the swellable resin portion (11) being positioned between the first gasket portion (9a) and the first catalyst layer (2) positioned at the peripheral portion of the polymer electrolyte membrane (1).
摘要翻译： 聚合物电解质燃料电池包括：密封结构（9），包括大致矩形的环形第一密封部分（9a）和大致矩形的环状第二密封部分（9b），第一密封部分（9a）位于外部 的第一气体扩散层（5）的周边部分和位于高分子电解质膜1的周边部分的第一隔板（7）和第一催化剂层（2）之间的第二密封部（9b） 在高分子电解质膜（1）的周边部分之间和第一分离器（7）和第二分离器（8）之间的外部; 以及至少第一催化剂层（2），第二催化剂层（3）和由可溶胀树脂形成的可溶胀树脂部分（II），其中当添加水时体积膨胀时，可溶胀树脂部分（11）被定位 在第一衬垫部分（9a）和位于聚合物电解质膜（1）的周边部分的第一催化剂层（2）之间。
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8.发明申请Gas diffusion layer, electrode and membrane electrode assembly for fuel cell, and production methods thereof 有权用于燃料电池的气体扩散层，电极和膜电极组件及其制造方法公开(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
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。
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9.发明申请Membrane-Electrode Assembly, Method for Manufacturing the Same, and Fuel Cell 审中-公开膜电极组件及其制造方法和燃料电池公开(公告)号：US20080261095A1
公开(公告)日：2008-10-23
申请号：US11993303
申请日：2006-06-19
申请人： Masaki Yamauchi , Yoshihiro Hori , Yasuo Takebe , Yasuhiro Seki
发明人： Masaki Yamauchi , Yoshihiro Hori , Yasuo Takebe , Yasuhiro Seki
CPC分类号： H01M8/0263 , H01M8/0258 , H01M8/0267 , H01M8/1007 , H01M8/241 , H01M8/2483 , Y02P70/56 , Y10T29/49108
摘要： A membrane-electrode assembly (1) of the present invention comprises: a quadrate polymer electrolyte membrane (2); a pair of catalyst layers provided to sandwich the polymer electrolyte membrane except for a peripheral portion of the polymer electrolyte membrane; and a pair of gas diffusion layers (3) provided respectively on the pair of the catalyst layers, the membrane-electrode assembly (1) being incorporated into a fuel cell by being sandwiched between a pair of separators on each of which a reaction gas passage (A) or (C) is concavely formed in a gas diffusion layer contacting region of an inner surface thereof, the gas diffusion layer contacting region being a region contacting the gas diffusion layer, wherein: each of the reaction gas passages (A) and (C) in the gas diffusion layer contacting region is formed to have a serpentine shape which extends from upstream to downstream in a direction from a first side (2a) of the polymer electrolyte membrane 1 to a third side (2c) facing the first side along a second side (2b) adjacent to the first side while turning in directions along the first side; reinforced portions (4) for reinforcing the polymer electrolyte membrane are formed at a portion corresponding to the second side and a portion corresponding to a fourth side (2d) facing the second side in the peripheral portion of the polymer electrolyte membrane 2; and the reinforced portion (4) is not formed at a portion corresponding to at least the third side (2c) in the peripheral portion of the polymer electrolyte membrane (2).
摘要翻译： 本发明的膜 - 电极组件（1）包括：正方形聚合物电解质膜（2）; 一对催化剂层，设置成夹持聚合物电解质膜，除了聚合物电解质膜的周边部分; 以及一对分别设置在所述一对催化剂层上的气体扩散层（3），所述膜 - 电极组件（1）通过夹在一对隔板之间而被并入燃料电池，所述隔板中的每一个都具有反应气体通道 （A）或（C）在其内表面的气体扩散层接触区域中凹入地形成，气体扩散层接触区域是与气体扩散层接触的区域，其中：反应气体通道（A）和 气体扩散层接触区域中的（C）形成为具有蛇形形状，从在从高分子电解质膜1的第一侧（2a）到第三面（2c）的方向从上游到下游延伸， 第一侧沿着沿着第一侧的方向转动而沿着与第一侧相邻的第二侧（2b）; 在与第二侧对应的部分和与高分子电解质膜2的周边部的面向第二面的第四面（2d）相对应的部分形成用于加强聚合物电解质膜的增强部分（4） 并且所述加强部（4）不形成在与所述高分子电解质膜（2）的周边部的至少第三面（2c）对应的部分。
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公开(公告)号：US07320839B2
公开(公告)日：2008-01-22
申请号：US10823796
申请日：2004-04-14
申请人： Yoichiro Tsuji , Yoshihiro Hori , Masaki Yamauchi , Makoto Uchida
发明人： Yoichiro Tsuji , Yoshihiro Hori , Masaki Yamauchi , Makoto Uchida
CPC分类号： H01M8/0271 , H01M8/0247 , H01M8/026 , H01M8/0263 , H01M8/0273 , H01M8/1004 , H01M8/1018 , H01M8/2483 , Y02P70/56
摘要： A fuel cell is disclosed having a separator that can minimize damage to a membrane electrode assembly. The separator advantageously has a groove therein approximately positioned over an outer edge of an electrode of the fuel cell to reduce any pressure between the separator and the outer edge of the electrode upon assembly and during use thereafter.
摘要翻译： 公开了一种燃料电池，其具有可以最小化对膜电极组件的损伤的隔膜。 分离器有利地具有大致定位在燃料电池的电极的外边缘上方的凹槽，以在组装时和之后的使用期间减小分离器和电极的外边缘之间的任何压力。
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