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1. 发明申请

US20090104507A1 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：US20090104507A1
公开(公告)日：2009-04-23
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, a 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。

2. 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。

3. 发明授权

US09325022B2 Gas diffusion layer for fuel cell and method for manufacturing the same 有权
标题翻译：燃料电池用气体扩散层及其制造方法
公开(公告)号：US09325022B2
公开(公告)日：2016-04-26
申请号：US14126634
申请日：2012-05-31
申请人： Yozo Okuyama , Shigemasa Kuwata , Kazufumi Kodama
发明人： Yozo Okuyama , Shigemasa Kuwata , Kazufumi Kodama
IPC分类号： H01M8/14 , H01M8/10 , H01M8/02
CPC分类号： H01M8/0234 , H01M8/0243 , H01M8/0245 , H01M8/1007 , Y02E60/521 , Y02P70/56
摘要： A gas diffusion layer for a fuel cell includes a gas diffusion layer substrate and a microporous layer formed on the surface of the gas diffusion layer substrate. The microporous layer is formed into a sheet-like shape including a binder and a carbon material containing at least scale-like graphite, and the sheet-like microporous layer is attached to the gas diffusion layer substrate. The gas diffusion layer for a fuel cell having such a configuration, prevents the components included in the microporous layer from entering the gas diffusion layer substrate, so as to ensure gas permeability. In addition, the scale-like graphite contained in the microporous layer as an electrically conductive material improves electrical conductivity and gas permeability. Accordingly, the gas diffusion layer contributes to an improvement in performance of a polymer electrolyte fuel cell.
摘要翻译：燃料电池用气体扩散层包括形成在气体扩散层基板的表面上的气体扩散层基板和微孔层。微孔层形成包括粘合剂和至少含有鳞状石墨的碳材料的片状，并且片状微孔层附着在气体扩散层基板上。具有这种结构的燃料电池用气体扩散层能够防止微孔层中所含的成分进入气体扩散层基板，以确保透气性。此外，作为导电性材料的微孔层中所含的鳞状石墨，提高了导电性和透气性。因此，气体扩散层有助于提高聚合物电解质燃料电池的性能。

4. 发明申请

US20140134516A1 GAS DIFFUSION LAYER FOR FUEL CELL 有权
标题翻译：燃料电池气体扩散层
公开(公告)号：US20140134516A1
公开(公告)日：2014-05-15
申请号：US14126668
申请日：2012-05-31
申请人： Yozo Okuyama , Shigemasa Kuwata , Kazufumi Kodama
发明人： Yozo Okuyama , Shigemasa Kuwata , Kazufumi Kodama
IPC分类号： H01M4/86 , H01M8/10
CPC分类号： H01M4/8605 , H01M4/8642 , H01M8/0234 , H01M8/0243 , H01M8/0245 , H01M8/1004 , H01M2008/1095
摘要： A gas diffusion layer (30) for a fuel cell includes: a gas diffusion layer substrate (31); and a microporous layer (32) containing a granular carbon material and scale-like graphite and formed on the gas diffusion layer substrate (31). The microporous layer (32) includes a concentrated region (32a) of the scale-like graphite that is formed into a belt-like shape extending in a direction approximately parallel to a junction surface (31a) between the microporous layer (32) and the gas diffusion layer substrate (31). Accordingly, both resistance to dry-out and resistance to flooding, which are generally in a trade-off relationship, in the gas diffusion layer can be ensured so as to contribute to an increase in performance of a polymer electrolyte fuel cell.
摘要翻译：一种用于燃料电池的气体扩散层（30）包括：气体扩散层基板（31）; 和形成在气体扩散层基板（31）上的粒状碳材料和鳞状石墨的微孔层（32）。微孔层（32）包括鳞状石墨的浓缩区域（32a），其形成为沿与微孔层（32）和微孔层（32）之间的接合面（31a）大致平行的方向延伸的带状，气体扩散层基板（31）。因此，可以确保在气体扩散层中的耐干燥性和耐淹水性（通常为折衷关系），从而有助于提高聚合物电解质燃料电池的性能。

5. 发明申请

US20140127606A1 MICROPOROUS LAYER SHEET FOR FUEL CELL AND METHOD FOR PRODUCING THE SAME 审中-公开
标题翻译：用于燃料电池的微波层片及其制造方法
公开(公告)号：US20140127606A1
公开(公告)日：2014-05-08
申请号：US14125426
申请日：2012-05-31
申请人： Shigemasa Kuwata , Yozo Okuyama , Kazufumi Kodama
发明人： Shigemasa Kuwata , Yozo Okuyama , Kazufumi Kodama
IPC分类号： H01M8/10
CPC分类号： H01M8/1004 , H01M4/8605 , H01M4/8642 , H01M4/92 , H01M4/926 , H01M8/0234 , H01M8/0245 , H01M8/1007 , Y02P70/56
摘要： A microporous layer sheet for a fuel cell according to the present invention includes at least two microporous layers, which are stacked on a gas diffusion layer substrate, and contain a carbon material and a binder. Then, the microporous layer sheet for a fuel cell is characterized in that a content of the binder in the microporous layer as a first layer located on the gas diffusion layer substrate side is smaller than contents of the binder in the microporous layers other than the first layer. The microporous layer sheet for a fuel cell, which is as described above, can ensure gas permeability and drainage performance without lowering strength. Hence, the microporous layer sheet for a fuel cell, which is as described above, can contribute to performance enhancement of a polymer electrolyte fuel cell by application thereof to a gas diffusion layer.
摘要翻译：根据本发明的用于燃料电池的微孔层片包括层叠在气体扩散层基底上并含有碳材料和粘合剂的至少两个微孔层。然后，用于燃料电池的微孔层片的特征在于，作为位于气体扩散层基板侧的第一层的微孔层中的粘合剂的含量小于第一层中的微孔层中的粘合剂的含量层。如上所述的用于燃料电池的微孔层片材可以确保气体透过性和排水性能而不降低强度。因此，如上所述的用于燃料电池的微孔层片材可以通过应用于气体扩散层而有助于将聚合物电解质燃料电池的性能提高。

6. 发明申请

US20140120451A1 GAS DIFFUSION LAYER FOR FUEL CELL AND METHOD FOR MANUFACTURING THE SAME 有权
标题翻译：用于燃料电池的气体扩散层及其制造方法
公开(公告)号：US20140120451A1
公开(公告)日：2014-05-01
申请号：US14126634
申请日：2012-05-31
申请人： Yozo Okuyama , Shigemasa Kuwata , Kazufumi Kodama
发明人： Yozo Okuyama , Shigemasa Kuwata , Kazufumi Kodama
IPC分类号： H01M8/10
CPC分类号： H01M8/0234 , H01M8/0243 , H01M8/0245 , H01M8/1007 , Y02E60/521 , Y02P70/56
摘要： A gas diffusion layer for a fuel cell includes a gas diffusion layer substrate and a microporous layer formed on the surface of the gas diffusion layer substrate. The microporous layer is formed into a sheet-like shape including a binder and a carbon material containing at least scale-like graphite, and the sheet-like microporous layer is attached to the gas diffusion layer substrate. The gas diffusion layer for a fuel cell having such a configuration, prevents the components included in the microporous layer from entering the gas diffusion layer substrate, so as to ensure gas permeability. In addition, the scale-like graphite contained in the microporous layer as an electrically conductive material improves electrical conductivity and gas permeability. Accordingly, the gas diffusion layer contributes to an improvement in performance of a polymer electrolyte fuel cell.
摘要翻译：燃料电池用气体扩散层包括形成在气体扩散层基板的表面上的气体扩散层基板和微孔层。微孔层形成包括粘合剂和至少含有鳞状石墨的碳材料的片状，并且片状微孔层附着在气体扩散层基板上。具有这种结构的燃料电池用气体扩散层能够防止微孔层中所含的成分进入气体扩散层基板，以确保透气性。此外，作为导电性材料的微孔层中所含的鳞状石墨，提高了导电性和透气性。因此，气体扩散层有助于提高聚合物电解质燃料电池的性能。

7. 发明申请

US20120034548A1 GAS DIFFUSION LAYER FOR FUEL CELL 审中-公开
标题翻译：燃料电池气体扩散层
公开(公告)号：US20120034548A1
公开(公告)日：2012-02-09
申请号：US13265088
申请日：2010-04-27
申请人： Yozo Okuyama , Manabu Sugino , Takanori Oku , Isao Ehama , Kazufumi Kodama , Hiroshi Kato , Haruo Nomi , Takafumi Namba , Tomoyuki Takane
发明人： Yozo Okuyama , Manabu Sugino , Takanori Oku , Isao Ehama , Kazufumi Kodama , Hiroshi Kato , Haruo Nomi , Takafumi Namba , Tomoyuki Takane
IPC分类号： H01M4/86
CPC分类号： H01M4/8807 , H01M4/8605 , H01M8/0234 , H01M8/0241 , H01M8/1007
摘要： To provide a means of further improving the cell's start-up capability (below-freezing-point-start-up capability) in a low temperature environment in the gas diffusion layer used in the fuel cell. It is a gas diffusion layer for fuel cell having a pore volume of micropores of 2.0×10−4 cm3/cm2 or higher.
摘要翻译：提供在燃料电池中使用的气体扩散层的低温环境中进一步提高电池的起动能力（低于起点启动能力）的手段。作为微孔的孔体积为2.0×10 -4 cm 3 / cm 2以上的燃料电池用气体扩散层。

8. 发明授权

US10361445B2 Microporous layer sheet for fuel cell and method for producing the same 有权
公开(公告)号：US10361445B2
公开(公告)日：2019-07-23
申请号：US14125426
申请日：2012-05-31
申请人： Shigemasa Kuwata , Yozo Okuyama , Kazufumi Kodama
发明人： Shigemasa Kuwata , Yozo Okuyama , Kazufumi Kodama
IPC分类号： H01M8/10 , H01M8/1004 , H01M8/0234 , H01M4/86 , H01M8/0245 , H01M8/1007 , H01M4/92
摘要： A microporous layer sheet for a fuel cell according to the present invention includes at least two microporous layers, which are stacked on a gas diffusion layer substrate, and contain a carbon material and a binder. Then, the microporous layer sheet for a fuel cell is characterized in that a content of the binder in the microporous layer as a first layer located on the gas diffusion layer substrate side is smaller than contents of the binder in the microporous layers other than the first layer. The microporous layer sheet for a fuel cell, which is as described above, can ensure gas permeability and drainage performance without lowering strength. Hence, the microporous layer sheet for a fuel cell, which is as described above, can contribute to performance enhancement of a polymer electrolyte fuel cell by application thereof to a gas diffusion layer.

9. 发明授权

US09793550B2 Gas diffusion layer for fuel cell 有权
公开(公告)号：US09793550B2
公开(公告)日：2017-10-17
申请号：US14126668
申请日：2012-05-31
申请人： Yozo Okuyama , Shigemasa Kuwata , Kazufumi Kodama
发明人： Yozo Okuyama , Shigemasa Kuwata , Kazufumi Kodama
IPC分类号： H01M4/86 , H01M8/0234 , H01M8/0243 , H01M8/0245 , H01M8/1004 , H01M8/1018
CPC分类号： H01M4/8605 , H01M4/8642 , H01M8/0234 , H01M8/0243 , H01M8/0245 , H01M8/1004 , H01M2008/1095
摘要： A gas diffusion layer (30) for a fuel cell includes: a gas diffusion layer substrate (31); and a microporous layer (32) containing a granular carbon material and scale-like graphite and formed on the gas diffusion layer substrate (31). The microporous layer (32) includes a concentrated region (32a) of the scale-like graphite that is formed into a belt-like shape extending in a direction approximately parallel to a junction surface (31a) between the microporous layer (32) and the gas diffusion layer substrate (31). Accordingly, both resistance to dry-out and resistance to flooding, which are generally in a trade-off relationship, in the gas diffusion layer can be ensured so as to contribute to an increase in performance of a polymer electrolyte fuel cell.

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