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1. 发明授权

US07897291B2 Membrane electrode assembly for use in solid polymer electrolyte fuel cell 有权
标题翻译：用于固体聚合物电解质燃料电池的膜电极组件
公开(公告)号：US07897291B2
公开(公告)日：2011-03-01
申请号：US11698873
申请日：2007-01-29
申请人： Ryoichiro Takahashi , Yoichi Asano , Shintaro Tanaka , Takuma Yamawaki
发明人： Ryoichiro Takahashi , Yoichi Asano , Shintaro Tanaka , Takuma Yamawaki
IPC分类号： H01M8/02 , H01M8/10 , H01M4/94 , H01M4/96
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。

2. 发明授权

US07807314B2 Membrane electrode assembly for use in solid polymer electrolyte fuel cell 有权
标题翻译：用于固体聚合物电解质燃料电池的膜电极组件
公开(公告)号：US07807314B2
公开(公告)日：2010-10-05
申请号：US11714163
申请日：2007-03-06
申请人： Shintaro Tanaka , Yoichi Asano , Ryoichiro Takahashi , Takuma Yamawaki
发明人： Shintaro Tanaka , Yoichi Asano , Ryoichiro Takahashi , Takuma Yamawaki
IPC分类号： H01M8/10 , H01M4/02
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。

3. 发明申请

US20070202389A1 Membrane electrode structure for polymer electrolyte fuel cell 审中-公开
标题翻译：聚合物电解质燃料电池膜电极结构
公开(公告)号：US20070202389A1
公开(公告)日：2007-08-30
申请号：US11644824
申请日：2006-12-26
申请人： Yoichi Asano , Shintaro Tanaka , Ryoichiro Takahashi , Takuma Yamawaki
发明人： Yoichi Asano , Shintaro Tanaka , Ryoichiro Takahashi , Takuma Yamawaki
IPC分类号： H01M4/94 , H01M4/96
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。

4. 发明申请

US20070218347A1 Membrane electrode assembly for use in solid polymer electrolyte fuel cell 有权
标题翻译：用于固体聚合物电解质燃料电池的膜电极组件
公开(公告)号：US20070218347A1
公开(公告)日：2007-09-20
申请号：US11698873
申请日：2007-01-29
申请人： Ryoichiro Takahashi , Yoichi Asano , Shintaro Tanaka , Takuma Yamawaki
发明人： Ryoichiro Takahashi , Yoichi Asano , Shintaro Tanaka , Takuma Yamawaki
IPC分类号： H01M4/94 , H01M4/96
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。

5. 发明申请

US20070218348A1 Membrane electrode assembly for use in solid polymer electrolyte fuel cell 有权
标题翻译：用于固体聚合物电解质燃料电池的膜电极组件
公开(公告)号：US20070218348A1
公开(公告)日：2007-09-20
申请号：US11714163
申请日：2007-03-06
申请人： Shintaro Tanaka , Yoichi Asano , Ryoichiro Takahashi , Takuma Yamawaki
发明人： Shintaro Tanaka , Yoichi Asano , Ryoichiro Takahashi , Takuma Yamawaki
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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