专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20070298304A1 Polymer Electrolyte Fuel Cell 有权
标题翻译：聚合物电解质燃料电池
公开(公告)号：US20070298304A1
公开(公告)日：2007-12-27
申请号：US11791679
申请日：2005-11-01
申请人： Atsushi Ohma , Shinji Yamamoto
发明人： Atsushi Ohma , Shinji Yamamoto
IPC分类号： H01M8/10
CPC分类号： H01M4/92 , H01M4/8835 , H01M4/921 , H01M4/926 , H01M8/04223 , H01M8/1004 , H01M8/241 , H01M8/2457
摘要： For a combination of a solid polymer electrolyte membrane 107, catalytic layers 111 and 113 disposed on both sides of the solid polymer electrolyte membrane 107, gas diffusion layers 112 and 114 disposed outside the catalytic layers 111 and 113, and separators 103 and 104 disposed outside the gas diffusion layers 112 and 114, the catalytic layer 113 to be cathode-sided includes a carbon carrier 117 composed of carbon having a mean lattice plane spacing d002 of [002] planes calculated from an X-ray diffraction within a range of 0.343 nm to 0.358 nm, a crystallite size Lc within a range of 3 nm to 10 nm, and a specific surface area within a range of 200 m2/g to 300 m2/g, catalyst particlers 115 containing platinum supported on the carbon carrier 117, and an electrolyte 116. According to the invention, a polymer electrolyte fuel cell is allowed to prevent a corroding deterioration of carbon carriers in the cathode catalytic layer in start and stop of the fuel cell, allowing for an enhanced stable output over a long term.
摘要翻译：对于固体高分子电解质膜107，设置在固体高分子电解质膜107两侧的催化剂层111和113，设置在催化剂层111和113外部的气体扩散层112和114以及设置在外部的隔板103和104的组合气体扩散层112和114，作为阴极侧的催化剂层113包括由X表示的由002表示的平均晶格面间隔d 002的碳载体117，在0.343nm至0.358nm的范围内的光线衍射，在3nm至10nm的范围内的微晶尺寸Lc，在200m 2 / g至300μm的范围内的比表面积含有负载在碳载体117上的铂的催化剂分散器115和电解质116.根据本发明，允许固体高分子型燃料电池防止碳载体上的碳载体的腐蚀劣化阴极催化层起始和停止f 能够长期保持稳定的输出。

2. 发明授权

US07901836B2 Polymer electrolyte fuel cell 有权
标题翻译：聚合物电解质燃料电池
公开(公告)号：US07901836B2
公开(公告)日：2011-03-08
申请号：US11791679
申请日：2005-11-01
申请人： Atsushi Ohma , Shinji Yamamoto
发明人： Atsushi Ohma , Shinji Yamamoto
IPC分类号： H01M4/02
CPC分类号： H01M4/92 , H01M4/8835 , H01M4/921 , H01M4/926 , H01M8/04223 , H01M8/1004 , H01M8/241 , H01M8/2457
摘要： For a combination of a solid polymer electrolyte membrane 107, catalytic layers 111 and 113 disposed on both sides of the solid polymer electrolyte membrane 107, gas diffusion layers 112 and 114 disposed outside the catalytic layers 111 and 113, and separators 103 and 104 disposed outside the gas diffusion layers 112 and 114, the catalytic layer 113 to be cathode-sided includes a carbon carrier 117 composed of carbon having a mean lattice plane spacing d002 of [002] planes calculated from an X-ray diffraction within a range of 0.343 nm to 0.358 nm, a crystallite size Lc within a range of 3 nm to 10 nm, and a specific surface area within a range of 200 m2/g to 300 m2/g, catalyst particles 115 containing platinum supported on the carbon carrier 117, and an electrolyte 116. According to the invention, a polymer electrolyte fuel cell is allowed to prevent a corroding deterioration of carbon carriers in the cathode catalytic layer in start and stop of the fuel cell, allowing for an enhanced stable output over a long term.
摘要翻译：对于固体高分子电解质膜107，设置在固体高分子电解质膜107两侧的催化剂层111和113，设置在催化剂层111和113外部的气体扩散层112和114以及设置在外部的隔板103和104的组合气体扩散层112和114，作为阴极侧的催化剂层113包括碳载体117，其由具有由0.333nm范围内的X射线衍射计算出的[002]面的平均晶格面间距d002的碳构成至0.358nm，在3nm至10nm的范围内的微晶尺寸Lc，200m 2 / g至300m 2 / g范围内的比表面积，载于碳载体117上的载有铂的催化剂颗粒115，以及电解质116.根据本发明，允许聚合物电解质燃料电池防止燃料电池开始和停止时阴极催化剂层中碳载体的腐蚀变坏，从而增强长期稳定的产量。

3. 发明授权

US08329359B2 Polymer electrolyte fuel cell 有权
标题翻译：聚合物电解质燃料电池
公开(公告)号：US08329359B2
公开(公告)日：2012-12-11
申请号：US13020998
申请日：2011-02-04
申请人： Atsushi Ohma , Shinji Yamamoto
发明人： Atsushi Ohma , Shinji Yamamoto
IPC分类号： H01M4/02
CPC分类号： H01M4/92 , H01M4/8835 , H01M4/921 , H01M4/926 , H01M8/04223 , H01M8/1004 , H01M8/241 , H01M8/2457
摘要： For a combination of a solid polymer electrolyte membrane 107, catalytic layers 111 and 113 disposed on both sides of the solid polymer electrolyte membrane 107, gas diffusion layers 112 and 114 disposed outside the catalytic layers 111 and 113, and separators 103 and 104 disposed outside the gas diffusion layers 112 and 114, the catalytic layer 113 to be cathode-sided includes a carbon carrier 117 composed of carbon having a mean lattice plane spacing d002 of [002] planes calculated from an X-ray diffraction within a range of 0.343 nm to 0.358 nm, a crystallite size Lc within a range of 3 nm to 10 nm, and a specific surface area within a range of 200 m2/g to 300 m2/g, catalyst particles 115 containing platinum supported on the carbon carrier 117, and an electrolyte 116. According to the invention, a polymer electrolyte fuel cell is allowed to prevent a corroding deterioration of carbon carriers in the cathode catalytic layer in start and stop of the fuel cell, allowing for an enhanced stable output over a long term.
摘要翻译：对于固体高分子电解质膜107，设置在固体高分子电解质膜107两侧的催化剂层111和113，设置在催化剂层111和113外部的气体扩散层112和114以及设置在外部的隔板103和104的组合气体扩散层112和114，作为阴极侧的催化剂层113包括碳载体117，其由具有由0.333nm范围内的X射线衍射计算出的[002]面的平均晶格面间距d002的碳构成至0.358nm，在3nm至10nm的范围内的微晶尺寸Lc，200m 2 / g至300m 2 / g范围内的比表面积，载于碳载体117上的载有铂的催化剂颗粒115，以及电解质116.根据本发明，允许聚合物电解质燃料电池防止燃料电池开始和停止时阴极催化剂层中碳载体的腐蚀变坏，从而增强长期稳定的产量。

4. 发明申请

US20120100461A1 HYDROPHILIC POROUS LAYER FOR FUEL CELLS, GAS DIFFUSION ELECTRODE AND MANUFACTURING METHOD THEREOF, AND MEMBRANE ELECTRODE ASSEMBLY 审中-公开
标题翻译：用于燃料电池的多孔多孔层，气体扩散电极及其制造方法和膜电极组件
公开(公告)号：US20120100461A1
公开(公告)日：2012-04-26
申请号：US13380709
申请日：2010-06-25
申请人： Hiroshi Iden , Atsushi Ohma , Yoshitaka Ono , Kazuyuki Satou , Kei Sakai
发明人： Hiroshi Iden , Atsushi Ohma , Yoshitaka Ono , Kazuyuki Satou , Kei Sakai
IPC分类号： H01M8/04 , B05D5/12
CPC分类号： H01M8/1004 , H01M4/8605 , H01M4/8652 , H01M8/0241 , Y02E60/521 , Y02P70/56
摘要： [Summary][Object] To provide a hydrophilic porous layer for a fuel cell that improves a sub-zero temperature starting ability of the fuel cell.[Solving means] A hydrophilic porous layer comprising electrically conductive material—hydrophilic material aggregates each including hydrophilic materials and electrically conductive materials that intimately contact to one another, the hydrophilic materials being mutually connected to one another to form in the hydrophilic materials a continuous transport path for water, the electrically conductive material—hydrophilic material aggregates forming therebetween a transport path for water vapor, which is characterized in that when it is above −40° C., a water transport resistance Rwater of the water transport path is larger than a water vapor transport resistance Rgas of the water vapor transport path.
摘要翻译：发明内容为了提供一种提高燃料电池的次零温度启动能力的燃料电池用亲水性多孔层。 [解决方案]一种亲水性多孔层，包括导电材料 - 亲水材料聚集体，每个包含亲水材料和彼此紧密接触的导电材料，亲水材料彼此相互连接，以在亲水材料中形成连续传输路径对于水，导电材料 - 亲水材料聚集在其间形成水蒸气的输送路径，其特征在于当其高于-40℃时，水输送路径的水输送阻力Rwater大于水水汽输送路径的蒸汽输送阻力R gas。

5. 发明申请

US20120094215A1 GAS DIFFUSION ELECTRODE AND PRODUCTION METHOD FOR SAME; MEMBRANE ELECTRODE ASSEMBLY AND PRODUCTION METHOD FOR SAME 有权
标题翻译：气体扩散电极及其生产方法; 膜电极组件及其制造方法
公开(公告)号：US20120094215A1
公开(公告)日：2012-04-19
申请号：US13379204
申请日：2010-06-25
申请人： Kazuyuki Satou , Atsushi Ohma , Yoshitaka Ono , Hiroshi Iden , Kei Sakai
发明人： Kazuyuki Satou , Atsushi Ohma , Yoshitaka Ono , Hiroshi Iden , Kei Sakai
IPC分类号： H01M8/04 , B05D5/12
CPC分类号： H01M8/1004 , H01M4/8605 , H01M4/8652 , H01M4/8657 , H01M4/881 , H01M4/8828 , H01M4/8892 , H01M4/8896 , H01M8/0243 , H01M8/0245 , Y02E60/521 , Y02P70/56
摘要： [Object] To provide a gas diffusion electrode capable of a high current density operation of a fuel cell.[Solving means] A gas diffusion electrode including a hydrophilic porous layer having an electrically conductive material and an ion conductive material; and a catalyst layer adjacent to the hydrophilic porous layer, wherein a water transport resistance of the hydrophilic porous layer is smaller than a water transport resistance of the catalyst layer.
摘要翻译：提供能够实现燃料电池的高电流密度运转的气体扩散电极。 [解决方案]一种气体扩散电极，包括具有导电材料和离子导电材料的亲水性多孔层; 以及与亲水性多孔层相邻的催化剂层，其中亲水性多孔层的水输送阻力小于催化剂层的水输送阻力。

6. 发明授权

US08026018B2 Electrolyte membrane-electrode assembly and production method thereof 有权
标题翻译：电解质膜电极组件及其制造方法
公开(公告)号：US08026018B2
公开(公告)日：2011-09-27
申请号：US12064989
申请日：2006-08-17
申请人： Atsushi Ohma , Yozo Okuyama , Yasuhiro Numao
发明人： Atsushi Ohma , Yozo Okuyama , Yasuhiro Numao
IPC分类号： H01M2/08 , H01M4/86 , B32B37/12
CPC分类号： H01M8/0286 , H01M4/881 , H01M8/0273 , H01M8/0284 , H01M2008/1095 , Y02P70/56 , Y10T156/10
摘要： An electrolyte membrane-electrode assembly of the present invention includes: an electrolyte membrane; an anode-side electrode including an anode-side catalyst layer disposed on one side of the electrolyte membrane and an anode-side gas diffusion layer formed on the anode-side catalyst layer beyond a surface-direction end of the anode-side catalyst layer; an anode-side adhesive layer disposed on at least a part of a periphery of the anode-side catalyst layer; and an anode-side gasket layer disposed in contact with the anode-side adhesive layer, wherein a surface-direction inner end of the anode-side adhesive lay is located inside beyond a surface-direction inner end of the anode-side gasket layer, and a part of the anode-side adhesive layer is located to overlap with a part of the anode-side gas diffusion layer with respect to a thickness direction. Further, on the other side of the electrolyte membrane, cathode-side respective layers having the same constructions as above are disposed.
摘要翻译：本发明的电解质膜 - 电极组件包括：电解质膜; 阳极侧电极，其包括设置在所述电解质膜的一侧的阳极侧催化剂层和在所述阳极侧催化剂层上形成的阳极侧气体扩散层，超过所述阳极侧催化剂层的表面方向端; 设置在所述阳极侧催化剂层的周围的至少一部分上的阳极侧粘合剂层; 阳极侧粘合剂层的表面方向内端位于阳极侧垫片层的表面方向内侧的内侧，并且阳极侧粘合剂层的一部分位于与阳极侧气体扩散层的一部分相对于厚度方向重叠。此外，在电解质膜的另一侧，设置具有与上述相同结构的阴极侧各自的层。

7. 发明授权

US09799903B2 Electrocatalyst for solid polymer fuel cell 有权
公开(公告)号：US09799903B2
公开(公告)日：2017-10-24
申请号：US13880393
申请日：2011-10-21
申请人： Hiroshi Iden , Atsushi Ohma , Kei Sakai , Kazuyuki Satou , Yoshitaka Ono , Hiroyuki Tanaka , Ken Akizuki
发明人： Hiroshi Iden , Atsushi Ohma , Kei Sakai , Kazuyuki Satou , Yoshitaka Ono , Hiroyuki Tanaka , Ken Akizuki
IPC分类号： H01M4/90 , H01M8/1004 , H01M4/92 , H01M8/1007
CPC分类号： H01M8/1004 , H01M4/9041 , H01M4/9058 , H01M4/9083 , H01M4/92 , H01M4/926 , H01M8/1007
摘要： Provided is an electrocatalyst for solid polymer fuel cells capable of increasing the active surface area for reactions in a catalyst component, increasing the utilization efficiency of the catalyst, and reducing the amount of expensive precious metal catalyst used. Also provided are a membrane electrode assembly that uses this electrocatalyst and a solid polymer fuel cell. An electrocatalyst for a solid polymer fuel cell is provided with a catalyst and solid proton conducting material. A liquid conductive material retention part that retains a liquid proton conducting material that connects the catalyst and solid proton conducting material is provided between the same. The surface area of the catalyst exposed within the liquid conductive material retention part is larger than the surface area of the catalyst in contact with the solid proton conducting material.

8. 发明申请

US20110244360A1 ELECTROLYTIC MEMBRANE STRUCTURE FOR FUEL CELL AND FUEL CELL 审中-公开
标题翻译：燃料电池和燃料电池的电解膜结构
公开(公告)号：US20110244360A1
公开(公告)日：2011-10-06
申请号：US13160227
申请日：2011-06-14
申请人： Ryoichi Shimoi , Atsushi Ohma , Yoshitaka Ono
发明人： Ryoichi Shimoi , Atsushi Ohma , Yoshitaka Ono
IPC分类号： H01M8/10
CPC分类号： H01M8/1007 , H01M4/8605 , H01M8/0271 , H01M8/1004
摘要： A catalyst layer 2 is formed by conductive particles 4 carrying catalyst particles 5, and a boundary layer 3 is disposed adjacent to the catalyst layer 2 and is positioned between a portion which is easily contacted with an oxygen gas and the catalyst layer 2. The boundary layer 3 is formed by the conductive particles 4 carrying the catalyst particles 5 and a catalyst-carrying amount in the boundary layer 3 is smaller than a catalyst-carrying amount in the catalyst layer 2 and a hydrophilic treatment is carried out on the conductive particles 4 of the boundary layer 3 by a hydrophilic material, such that the hydrophilic characteristics of the conductive particles of the boundary layer are higher than that of the catalyst layer.
摘要翻译：催化剂层2由载有催化剂颗粒5的导电颗粒4形成，并且边界层3邻近催化剂层2设置，并且位于容易与氧气接触的部分和催化剂层2之间。边界由承载催化剂颗粒5的导电颗粒4和边界层3中的催化剂载体量小于催化剂层2中的催化剂载体量形成层3，并且对导电颗粒4进行亲水处理的边界层3的亲水特性，使得边界层的导电性粒子的亲水性高于催化剂层的亲水性。

9. 发明申请

US20100086830A1 Electrolytic Membrane Structure For Fuel Cell and Fuel Cell 审中-公开
标题翻译：燃料电池和燃料电池的电解膜结构
公开(公告)号：US20100086830A1
公开(公告)日：2010-04-08
申请号：US10579038
申请日：2004-10-28
申请人： Ryoichi Shimoi , Atsushi Ohma , Yoshitaka Ono
发明人： Ryoichi Shimoi , Atsushi Ohma , Yoshitaka Ono
IPC分类号： H01M4/00
CPC分类号： H01M8/1007 , H01M4/8605 , H01M8/0271 , H01M8/1004
摘要： A catalyst layer 2 is formed by conductive particles carrying catalyst particles 5, and a boundary layer is disposed adjacent to the catalyst layer 2 and is positioned between a portion which is easily contacted with an oxygen gas and the catalyst layer. The boundary layer 3 is formed by the conductive particles 4 carrying the catalyst particles 5 and a catalyst-carrying amount in the boundary layer 3 is smaller than a catalyst-carrying amount in the catalyst layer 2. Or a hydrophilic treatment is carried out to the conductive particles 4 of the boundary layer 3 by a hydrophilic material, while the conductive particles 4 in the boundary layer 3 do not carry the catalyst particles 5.
摘要翻译：催化剂层2由载有催化剂颗粒5的导电颗粒形成，并且边界层邻近催化剂层2设置并位于容易与氧气接触的部分和催化剂层之间。边界层3由承载催化剂粒子5的导电性粒子4形成，边界层3中的催化剂载体量小于催化剂层2中的催化剂载体量。或者，对边界层3的导电粒子4由亲水性材料构成，边界层3中的导电粒子4不携带催化剂粒子5。

10. 发明申请

US20090035634A1 Electrolyte Membrane-Electrode Assembly And Method For Production Thereof 审中-公开
标题翻译：电解质膜电极组件及其制造方法
公开(公告)号：US20090035634A1
公开(公告)日：2009-02-05
申请号：US11919672
申请日：2006-04-19
申请人： Atsushi Ohma
发明人： Atsushi Ohma
IPC分类号： H01M8/10
CPC分类号： H01M8/1004 , H01M8/0289 , H01M8/242 , Y02P70/56 , Y10T29/49115
摘要： The present invention is to provide an electrolyte membrane-electrode assembly which enables to effectively suppress corrosion of a cathode catalyst on start/stop, and decomposition of an electrolyte on OCV retention. The present invention is to provide an electrolyte membrane-electrode assembly which comprises a polymer electrolyte membrane, a cathode catalytic layer located at one side of the polymer electrolyte membrane, an anode catalytic layer located at the other side of the polymer electrolyte membrane, and a first gasket layer formed at the end part of the cathode catalytic layer so that area of the effective anode catalytic layer is made larger than area of the effective cathode catalytic layer.
摘要翻译：本发明提供一种电解质膜 - 电极组件，其能够有效地抑制阴极催化剂在起动/停止时的腐蚀和电解液在OCV保持下的分解。本发明提供一种电解质膜 - 电极组件，其包括聚合物电解质膜，位于聚合物电解质膜一侧的阴极催化层，位于聚合物电解质膜另一侧的阳极催化层，和第一衬垫层形成在阴极催化层的端部，使得有效阳极催化剂层的面积大于有效阴极催化剂层的面积。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式