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1.发明授权公开(公告)号：US07897291B2
公开(公告)日：2011-03-01
申请号：US11698873
申请日：2007-01-29
CPC分类号： H01M8/0236 , H01M4/926 , H01M8/0234 , H01M8/0243 , H01M8/0245 , H01M8/04291 , H01M8/1004 , H01M2008/1095
摘要： A membrane electrode assembly including: a solid polymer electrolyte membrane having proton conductivity; a cathode electrode catalyst layer disposed on one side of the solid polymer electrolyte membrane; an anode electrode catalyst layer disposed on the other side of the solid polymer electrolyte membrane; and two gas diffusion layers disposed on a side of the cathode electrode catalyst layer and a side of the anode electrode catalyst layer, respectively; wherein the gas diffusion layer in the anode side is smaller in contact angle to water than the gas diffusion layer in the cathode side. The membrane electrode assembly also includes at least two coating layers different in properties from each other between the gas diffusion layer and the cathode electrode catalyst layer, and at least two coating layers different in properties from each other between the gas diffusion layer and the anode electrode catalyst layer.
摘要翻译： 一种膜电极组件，包括：具有质子传导性的固体聚合物电解质膜; 设置在固体聚合物电解质膜一侧的阴极电极催化剂层; 设置在固体高分子电解质膜的另一侧的阳极电极催化剂层; 以及分别设置在阴极电极催化剂层侧和阳极电极催化剂层一侧的两个气体扩散层; 其中阳极侧的气体扩散层与阴极侧的气体扩散层的接触角小。 膜电极组件还包括在气体扩散层和阴极电极催化剂层之间彼此不同性质的至少两个涂层，以及气体扩散层和阳极电极之间的至少两个不同性质的涂层 催化剂层。
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2.发明授权公开(公告)号：US07807314B2
公开(公告)日：2010-10-05
申请号：US11714163
申请日：2007-03-06
CPC分类号： H01M8/1004 , H01M4/8807 , H01M8/0243 , H01M8/0245
摘要： A membrane electrode assembly that includes a cathode electrode catalyst layer and an anode electrode catalyst layer respectively disposed on one side and the other side of a solid polymer electrolyte membrane, gas diffusion layers disposed respectively on the sides of the electrode catalyst layers; and intermediate layers having pores and disposed respectively between the electrode catalyst layer and the gas diffusion layer and between the electrode catalyst layer and the gas diffusion layer. The volume per unit area and per unit mass of the pores having pore size of 0.1 to 10 μm in the intermediate layer in the cathode side is larger than that in the intermediate layer in the anode side. The pore volume of the intermediate layer in the cathode side is 1.7 to 4.3 μl/cm2/mg and that of the intermediate layer in the anode side is 0.5 to 1.4 μl/cm2/mg.
摘要翻译： 一种膜电极组件，其包括分别设置在固体聚合物电解质膜的一侧和另一侧上的阴极电极催化剂层和阳极电极催化剂层，分别设置在电极催化剂层的侧面上的气体扩散层; 和具有孔的中间层，分别设置在电极催化剂层和气体扩散层之间以及电极催化剂层和气体扩散层之间。 阴极侧的中间层的孔径为0.1〜10μm的单位面积体积和单位质量的单位质量比阳极侧的中间层的体积大。 阴极侧的中间层的孔体积为1.7〜4.3μl/ cm 2 / mg，阳极侧的中间层的孔体积为0.5〜1.4μl/ cm 2 / mg。
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公开(公告)号：US20070202389A1
公开(公告)日：2007-08-30
申请号：US11644824
申请日：2006-12-26
CPC分类号： H01M8/1004 , H01M8/0234 , H01M8/0239 , H01M8/0243 , H01M8/0245
摘要： A membrane electrode structure for a polymer electrolyte fuel cell capable of offering excellent power generation performance both in high humidity conditions and low humidity conditions. The membrane electrode structure for a polymer electrolyte fuel cell is composed of a solid polymer electrolyte membrane 2 having proton conductivity, a cathode electrode catalyst layer 3, an anode electrode catalyst layer 4 and gas diffusion layers 5, 6. The gas diffusion layers 5, 6 have through holes with a mean diameter of 15 to 45 μm and a specific surface area of 0.25 to 0.5 m2/g, and have a bulk density of 0.35 to 0.55 g/cm3. An intermediate layer 7 is provided between the cathode electrode catalyst layer 3 and the gas diffusion layer 5, and the intermediate layer 7 has through holes with a diameter of 0.01 to 10 μm and a volume of 3.8 to 7.0 μl/cm2. The intermediate layer 7 is made of a water-repellent resin containing conductive particles.
摘要翻译： 一种用于聚合物电解质燃料电池的膜电极结构，其能够在高湿度条件和低湿度条件下提供优异的发电性能。 用于固体高分子型燃料电池的膜电极结构由具有质子传导性的固体高分子电解质膜2，阴极电极催化剂层3，阳极电极催化剂层4和气体扩散层5,6构成。 气体扩散层5,6具有平均直径为15至45μm，比表面积为0.25至0.5m 2 / g的通孔，其堆积密度为0.35至0.55g / cm 3。 中间层7设置在阴极催化剂层3和气体扩散层5之间，中间层7具有直径为0.01-10μm的通孔和3.8至7.0mul / cm 2的体积 。 中间层7由含有导电性粒子的防水树脂构成。
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4.发明申请公开(公告)号：US20070218348A1
公开(公告)日：2007-09-20
申请号：US11714163
申请日：2007-03-06
IPC分类号： H01M4/94
CPC分类号： H01M8/1004 , H01M4/8807 , H01M8/0243 , H01M8/0245
摘要： The present invention provides a membrane electrode assembly for use in a solid polymer electrolyte fuel cell which assembly can ensure the gas diffusivity, the capability of discharging the generated water and the moisture retentivity, and can attain an excellent electric power generation performance in the gas atmosphere under a wide variety of humidity conditions. The membrane electrode assembly comprises: a cathode electrode catalyst layer 3 and an anode electrode catalyst layer 4 respectively disposed on one side and the other side of a solid polymer electrolyte membrane 2; gas diffusion layers 5 and 6 disposed respectively on the sides of the electrode catalyst layers 3 and 4; and intermediate layers 7 and 8 comprising pores and disposed respectively between the electrode catalyst layer 3 and the gas diffusion layer 5 and between the electrode catalyst layer 4 and the gas diffusion layer 6. The volume per unit area and per unit mass (pore volume) of the pores having pore size of 0.1 to 10 μm in the intermediate layer 7 in the cathode side is larger than that in the intermediate layer 8 in the anode side. The pore volume of the intermediate layer 7 in the cathode side is 1.7 to 4.3 μl/cm2/mg and that of the intermediate layer 8 in the anode side is 0.5 to 1.4 μl/cm2/mg. The intermediate layers 7 and 8 are each formed of a water-repellent resin comprising an electrically conducting particle.
摘要翻译： 本发明提供一种用于固体聚合物电解质燃料电池的膜电极组件，其组装可以确保气体扩散性，排出生成水的能力和保湿性，并且可以在气体气氛中获得优异的发电性能 在各种湿度条件下。 膜电极组件包括：分别设置在固体聚合物电解质膜2的一侧和另一侧的阴极电极催化剂层3和阳极电极催化剂层4; 分别设置在电极催化剂层3和4的侧面上的气体扩散层5和6; 以及包含孔的中间层7和8分别设置在电极催化剂层3和气体扩散层5之间以及电极催化剂层4和气体扩散层6之间。 在阴极侧的中间层7中，孔径为0.1〜10μm的孔的单位面积体积（单位面积体积）（孔体积）比阳极侧的中间层8的体积大。 阴极侧的中间层7的孔体积为1.7〜4.3mul / cm 2 / mg，阳极侧的中间层8的孔体积为0.5〜1.4mul / cm 2， 2 / mg。 中间层7和8各自由包含导电颗粒的防水树脂形成。
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5.发明申请公开(公告)号：US20070218347A1
公开(公告)日：2007-09-20
申请号：US11698873
申请日：2007-01-29
CPC分类号： H01M8/0236 , H01M4/926 , H01M8/0234 , H01M8/0243 , H01M8/0245 , H01M8/04291 , H01M8/1004 , H01M2008/1095
摘要： The present invention provides a membrane electrode assembly for use in a solid polymer electrolyte fuel cell which assembly can attain an excellent electric power generation performance both under low-humidity conditions and under high-humidity conditions. The membrane electrode assembly includes: a solid polymer electrolyte membrane 2 having proton conductivity; a cathode electrode catalyst layer 3 disposed on one side of the solid polymer electrolyte membrane 2; an anode electrode catalyst layer 4 disposed on the other side of the solid polymer electrolyte membrane 2; and two gas diffusion layers 5 and 6 disposed on a side of the cathode electrode catalyst layer 3 and a side of the anode electrode catalyst layer 4, respectively, both these sides facing away from the solid polymer electrolyte membrane 2; wherein the gas diffusion layer 6 in the anode side is smaller in contact angle to water than the gas diffusion layer 5 in the cathode side. The membrane electrode assembly also includes at least two coating layers 11a and 11b different in properties from each other between the gas diffusion layer 5 and the cathode electrode catalyst layer 3, and at least two coating layers 12a and 12b different in properties from each other between the gas diffusion layer 6 and the anode electrode catalyst layer 4.
摘要翻译： 本发明提供一种用于固体聚合物电解质燃料电池的膜电极组件，其组装可以在低湿度条件下和高湿度条件下获得优异的发电性能。 膜电极组件包括：具有质子传导性的固体聚合物电解质膜2; 设置在固体聚合物电解质膜2一侧的阴极电极催化剂层3; 设置在固体高分子电解质膜2的另一侧的阳极电极催化剂层4; 以及分别设置在阴极电极催化剂层3侧和阳极电极催化剂层4侧的两个面朝离固体高分子电解质膜2的两个气体扩散层5和6; 其中阳极侧的气体扩散层6与阴极侧的气体扩散层5的接触角小。 膜电极组件还包括在气体扩散层5和阴极电极催化剂层3之间彼此不同性质的至少两个涂层11a和11b以及至少两个不同性能的涂层12a和12b 彼此之间在气体扩散层6和阳极电极催化剂层4之间。
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公开(公告)号：US06685984B2
公开(公告)日：2004-02-03
申请号：US10447150
申请日：2003-05-29
申请人： Makoto Higami , Kohei Goto , Yoichi Asano , Ryoichiro Takahashi , Osamu Kakutani , Gen Okiyama
发明人： Makoto Higami , Kohei Goto , Yoichi Asano , Ryoichiro Takahashi , Osamu Kakutani , Gen Okiyama
IPC分类号： B05D512
CPC分类号： H01M8/1004 , H01M8/1025 , H01M8/1027 , H01M8/1032 , H01M8/1039 , H01M8/1081 , H01M2300/0082 , Y02P70/56 , Y10T29/49115
摘要： The method for the production of multilayers comprises: applying a coating solution (I) which comprises a dissolved or dispersed proton-conductive polymer and a solvent (Is) containing water in amounts from 25 to 60 wt % and an organic solvent in amounts from 75 down to 40 wt %, on an electrode, applying a coating solution (II) which comprises a dissolved or dispersed proton-conductive polymer and a solvent (IIs) containing water in amounts from 0 to less than 25 wt % and an organic solvent in amounts above 75 wt %, on the wet first coating without any drying of the first coating; and drying the coatings to form an electrolyte membrane. The methods can provide multilayers capable of satisfactory power generation properties as an electrode structure by forming an electrolyte membrane on an electrode without causing any penetration of electrolyte into the electrode.
摘要翻译： 制造多层膜的方法包括：将含有溶解或分散的质子传导性聚合物和含量为25〜60重量％的水的溶剂（Is）和有机溶剂的涂布溶液（I） 在电极上施加包含溶解或分散的质子传导性聚合物的涂料溶液（II）和含有0至小于25重量％的水的溶剂（IIs）和有机溶剂， 含量高于75重量％，在湿的第一涂层上，没有任何干燥第一涂层; 并干燥涂层以形成电解质膜。 所述方法可以通过在电极上形成电解质膜而不会使电解质进入电极而使能够具有令人满意的发电性能的多层作为电极结构。
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公开(公告)号：US20050130024A1
公开(公告)日：2005-06-16
申请号：US11007329
申请日：2004-12-09
申请人： Toshihiro Otsuki , Junji Kawai , Mayumi Kakuta , Nagayuki Kanaoka , Yoichi Asano , Ryoichiro Takahashi
发明人： Toshihiro Otsuki , Junji Kawai , Mayumi Kakuta , Nagayuki Kanaoka , Yoichi Asano , Ryoichiro Takahashi
IPC分类号： C08L71/12 , C08G65/40 , C08G85/00 , C08J5/22 , C08K3/00 , C08L71/10 , H01B1/06 , H01B1/12 , H01C1/00 , H01M8/02 , H01M8/10
CPC分类号： C08J5/2218 , H01B1/122 , H01M8/1004 , H01M8/1025 , H01M8/1027 , H01M8/103 , H01M8/1032 , H01M8/1039 , H01M8/1051 , H01M2300/0082
摘要： The invention provides a proton conductive membrane which, even when reduced in thickness, does not allow penetration of an electrode to prevent a short circuit between electrodes and which permits sufficient generating performance. A proton conductive composition capable of forming the membrane is also provided. The proton conductive composition includes a nonconductive filler and a polyarylene having a sulfonic group. The proton conductive membrane, comprising the composition, contains the nonconductive filler in an amount of 3 to 50% by volume, and the nonconductive filler particles have diameters ranging from 3 to 90% the thickness of the membrane.
摘要翻译： 本发明提供了一种质子传导膜，其甚至在厚度减小时不允许电极穿透以防止电极之间的短路并且允许充分的发生性能。 还提供了能够形成膜的质子传导性组合物。 质子传导性组合物包括非导电填料和具有磺酸基的聚亚芳基。 包含该组合物的质子传导膜包含3至50体积％的非导电填料，非导电填料颗粒的直径范围为膜的厚度的3至90％。
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8.发明授权公开(公告)号：US07638219B2
公开(公告)日：2009-12-29
申请号：US10795952
申请日：2004-03-08
申请人： Takashi Komura , Yoichi Asano , Chikara Iwasawa , Ryoichiro Takahashi , Masaaki Sakano , Keisuke Andou , Kentaro Nagoshi
发明人： Takashi Komura , Yoichi Asano , Chikara Iwasawa , Ryoichiro Takahashi , Masaaki Sakano , Keisuke Andou , Kentaro Nagoshi
IPC分类号： H01M8/24
CPC分类号： H01M8/2418 , H01M8/0202 , H01M8/0271 , H01M8/241 , H01M8/242 , H01M8/2483
摘要： Anodes are provided on a porous resin film, a polymer electrolyte membrane is provided on the anodes, and cathodes are provided on the polymer electrolyte membrane to form a plurality of membrane electrode assemblies as power generation units. An electrically conductive member is connected to the cathode of a membrane electrode assembly, and a metal film is electrically connected to the anode of an adjacent membrane electrode assembly. The electrically conductive member has an expansion connected to the metal film. The cathode of the membrane electrode assembly and the anode of the adjacent membrane electrode assembly are electrically connected by the electrically conductive member and the metal film.
摘要翻译： 在多孔树脂膜上设置阳极，在阳极上设置高分子电解质膜，在高分子电解质膜上设置阴极，形成作为发电单元的多个膜电极组件。 导电构件连接到膜电极组件的阴极，并且金属膜电连接到相邻膜电极组件的阳极。 导电构件具有连接到金属膜的膨胀。 膜电极组件的阴极和相邻膜电极组件的阳极通过导电构件和金属膜电连接。
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9.发明申请公开(公告)号：US20060269655A1
公开(公告)日：2006-11-30
申请号：US11498173
申请日：2006-08-03
申请人： Makoto Higami , Kohei Goto , Nagayuki Kanaoka , Ryoichiro Takahashi , Yoichi Asano , Osamu Kakutani , Gen Okiyama
发明人： Makoto Higami , Kohei Goto , Nagayuki Kanaoka , Ryoichiro Takahashi , Yoichi Asano , Osamu Kakutani , Gen Okiyama
IPC分类号： B05D5/12
CPC分类号： H01M8/1023 , H01M4/8605 , H01M4/92 , H01M4/926 , H01M8/1004 , H01M8/1039 , H01M8/1053 , Y02P70/56
摘要： The present invention is intended to provide a process for producing an electrolyte membrane-bonded electrode having excellent power generation property when constitutes an electrode assembly, and a varnish composition for an electrolyte, by the use of which an electrolyte membrane-electrode bonded structure capable of retaining excellent power generation property is obtained. A process for producing a first electrolyte membrane-bonded electrode comprises applying, onto an electrode, a water-containing dispersion containing a perfluorosulfonic acid polymer, an organic solvent A and water and having a perfluorosulfonic acid polymer content of 0.5 to 20% by weight and then applying, onto the resulting film, a solution of sulfonated polyarylene in an organic solvent B, to form an electrolyte membrane. A process for producing a second electrolyte membrane-bonded electrode comprises applying, onto an electrode, a solution or dispersion containing a proton-conductive polymer, an organic solvent B and water and having a water content of 25 to 50% by weight and then applying, onto the resulting film, a solution or dispersion containing a proton-conductive polymer, an organic solvent B and water and having a water content of less than 25% by weight, to form an electrolyte membrane. A process for producing a third electrolyte membrane-bonded electrode comprises applying, onto an electrode, a varnish composition 6 obtained by dissolving a sulfonated polymer in a solvent containing an organic solvent C, an organic solvent D and water to form an electrolyte membrane, said organic solvent C being a good solvent for the sulfonated polymer and having a higher boiling point than that of other solvent components, said organic solvent D having a boiling point of not lower than 50° C. and being not a good solvent for the sulfonated polymer when used alone but causing a solubility region of the sulfonated polymer to appear when mixed with the organic solvent C and/or the water. The varnish composition 6 of the invention is a varnish composition obtained by dissolving the sulfonated polymer in a solvent containing an organic solvent C, an organic solvent D and water.
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公开(公告)号：US20050202308A1
公开(公告)日：2005-09-15
申请号：US11074931
申请日：2005-03-09
申请人： Ryoichiro Takahashi , Chikara Iwasawa , Masahiro Ise , Yoichi Asano , Hideki Watanabe , Atsuhito Yoshizawa , Takashi Suzuki , Osamu Kakutani
发明人： Ryoichiro Takahashi , Chikara Iwasawa , Masahiro Ise , Yoichi Asano , Hideki Watanabe , Atsuhito Yoshizawa , Takashi Suzuki , Osamu Kakutani
CPC分类号： H01M8/1004 , H01M4/8605 , H01M4/8642 , H01M4/8652 , H01M4/8657
摘要： In a polymer electrolyte fuel cell in which a cathode diffusion layer, a cathode electrode catalyst layer, a polymer electrolyte membrane, an anode electrode catalyst layer, and an anode diffusion layer are laminated in this order, electron conductivity of the cathode electrode catalyst layer at a portion on the side of the cathode diffusion layer is higher than at a portion on the side of the polymer electrolyte membrane and electron conductivity of the cathode electrode catalyst layer at the portion on the side of the polymer electrolyte membrane is lower than at the portion on the side of the cathode diffusion layer, and furthermore, electron conductivity of the anode electrode catalyst layer at a portion on the side of the anode diffusion layer is higher than at a portion on the side of the polymer electrolyte membrane and electron conductivity of the anode electrode catalyst layer at the portion on the side of the polymer electrolyte membrane is lower than at the portion on the side of the anode diffusion layer.
摘要翻译： 在其中依次层叠有阴极扩散层，阴极电极催化剂层，高分子电解质膜，阳极电极催化剂层，阳极扩散层的固体高分子型燃料电池中，阴极电极催化剂层的电子传导性为 阴极扩散层侧的部分高于聚合物电解质膜侧的部分，并且在高分子电解质膜侧的部分处的阴极电极催化剂层的电子传导性低于部分 在阳极扩散层侧，阳极扩散层侧的部分的阳极电极催化剂层的电子传导性高于高分子电解质膜侧的部分的电子传导性， 高分子电解质膜一侧部分的阳极电极催化剂层比Si的部分低 de的阳极扩散层。
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