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1. 发明授权

US07414004B2 Gas diffusion layer, electrode and membrane electrode assembly for fuel cell, and production methods thereof 有权
标题翻译：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：US07414004B2
公开(公告)日：2008-08-19
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
IPC分类号： H01M4/88
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。

2. 发明申请

US20050197246A1 Gas diffusion layer, electrode and membrane electrode assembly for fuel cell, and production methods thereof 有权
标题翻译：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
IPC分类号： H01M4/88 , B05D5/12 , H01M4/86 , H01M4/94 , H01M4/96 , H01M8/02 , H01M8/10
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。

3. 发明授权

US06818339B1 Polymer electrolyte type fuel cell 失效
标题翻译：聚合物电解质型燃料电池
公开(公告)号：US06818339B1
公开(公告)日：2004-11-16
申请号：US10049567
申请日：2002-02-15
申请人： Yasushi Sugawara , Hisaaki Gyoten , Makoto Uchida , Eiichi Yasumoto , Teruhisa Kanbara , Junji Morita , Yoshihiro Hori , Akihiko Yoshida , Hidenobu Wakita , Hiroki Kusakabe , Masato Hosaka , Osamu Sakai
发明人： Yasushi Sugawara , Hisaaki Gyoten , Makoto Uchida , Eiichi Yasumoto , Teruhisa Kanbara , Junji Morita , Yoshihiro Hori , Akihiko Yoshida , Hidenobu Wakita , Hiroki Kusakabe , Masato Hosaka , Osamu Sakai
IPC分类号： H01M402
CPC分类号： H01M4/8636 , H01M4/8605 , H01M8/0234 , H01M8/1004 , H01M2008/1095
摘要： The present specification discloses a polymer electrolyte fuel cell characterized in that each of the cathode and the anode comprises catalyst particles, a hydrogen ion-conductive polymer electrode, a conductive porous base material and a water repellent agent, and water repellency of at least one of the cathode and the anode varies in a direction of thickness or in a plane direction. As such, by varying the degree of the water repellency of the cathode and the anode on the basis of a position, an excellent polymer electrolyte fuel cell having a high discharge characteristic or more specifically a high current-voltage characteristic in a high current density range.
摘要翻译：本说明书公开了一种固体高分子型燃料电池，其特征在于，所述阴极和阳极各自包含催化剂粒子，氢离子传导性高分子电极，导电性多孔质基材，防水剂，以及至少一种阴极和阳极在厚度方向或平面方向上变化。因此，通过基于位置改变阴极和阳极的拒水性程度，在高电流密度范围内具有高放电特性或更具体地高电流 - 电压特性的优异的聚合物电解质燃料电池。

4. 发明授权

US07320839B2 Polymer electrolyte fuel cell and conductive separator for the same 有权
标题翻译：聚合物电解质燃料电池和导电分离器相同
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
IPC分类号： H01M2/00 , H01M2/08
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。

5. 发明授权

US07473486B2 Catalyst-coated membrane, membrane-electrode assembly, and polymer electrolyte fuel cell 有权
标题翻译：催化剂涂层膜，膜电极组件和聚合物电解质燃料电池
公开(公告)号：US07473486B2
公开(公告)日：2009-01-06
申请号：US11042322
申请日：2005-01-26
申请人： Mikiko Yoshimura , Yoshihiro Hori , Yoichiro Tsuji , Akihiko Yoshida , Takeshi Yonamine , Makoto Uchida
发明人： Mikiko Yoshimura , Yoshihiro Hori , Yoichiro Tsuji , Akihiko Yoshida , Takeshi Yonamine , Makoto Uchida
IPC分类号： H01M4/86 , H01M4/96
CPC分类号： H01M8/1004 , H01M4/8605 , H01M4/8642 , H01M4/8657 , H01M4/881 , H01M4/8828 , H01M4/8892 , H01M4/921 , H01M4/926 , H01M8/102 , H01M8/1039
摘要： An object of the present invention is to provide a catalyst-coated membrane suitable for achieving a polymer electrolyte fuel cell that sufficiently prevents a decrease in the initial characteristics and also exhibits sufficient cell performance for a long period of time and has excellent durability. In at least the cathode catalyst layer, the ratio (WP/WCat-C) of the weight of the polymer electrolyte (WP) to the weight of the catalyst-carrying carbon (WCat-C) is decreased from an innermost layer positioned closest to the polymer electrolyte membrane toward an outermost layer positioned farthest from the polymer electrolyte membrane. The ratio (WP/WCat-C) in the innermost layer is 0.8 to 3.0, and the ratio (WP/WCat-C) in the outermost layer is 0.2 to 0.6.
摘要翻译：本发明的目的是提供一种适用于实现充分防止初始特性降低的聚合物电解质燃料电池的催化剂涂覆膜，并且长时间表现出足够的电池性能并且具有优异的耐久性。在至少阴极催化剂层中，聚合物电解质（WP）的重量与催化剂载体碳重量（WCat-C）的重量比（WP / WCat-C）从位于最接近聚合物电解质膜朝向距离聚合物电解质膜最远的最外层。最内层的比例（WP / WCat-C）为0.8〜3.0，最外层的比例（WP / WCat-C）为0.2〜0.6。

6. 发明申请

US20050214610A1 Catalyst-coated membrane, membrane-electrode assembly, and polymer electrolyte fuel cell 有权
标题翻译：催化剂涂层膜，膜电极组件和聚合物电解质燃料电池
公开(公告)号：US20050214610A1
公开(公告)日：2005-09-29
申请号：US11042322
申请日：2005-01-26
申请人： Mikiko Yoshimura , Yoshihiro Hori , Yoichiro Tsuji , Akihiko Yoshida , Takeshi Yonamine , Makoto Uchida
发明人： Mikiko Yoshimura , Yoshihiro Hori , Yoichiro Tsuji , Akihiko Yoshida , Takeshi Yonamine , Makoto Uchida
IPC分类号： H01M4/86 , H01M4/88 , H01M4/90 , H01M4/92 , H01M4/96 , H01M8/02 , H01M8/10
CPC分类号： H01M8/1004 , H01M4/8605 , H01M4/8642 , H01M4/8657 , H01M4/881 , H01M4/8828 , H01M4/8892 , H01M4/921 , H01M4/926 , H01M8/102 , H01M8/1039
摘要： An object of the present invention is to provide a catalyst-coated membrane suitable for achieving a polymer electrolyte fuel cell that sufficiently prevents a decrease in the initial characteristics and also exhibits sufficient cell performance for a long period of time and has excellent durability. In at least the cathode catalyst layer, the ratio (WP/WCat-C) of the weight of the polymer electrolyte (WP) to the weight of the catalyst-carrying carbon (WCat-C) is decreased from an innermost layer positioned closest to the polymer electrolyte membrane toward an outermost layer positioned farthest from the polymer electrolyte membrane. The ratio (WP/WCat-C) in the innermost layer is 0.8 to 3.0, and the ratio (WP/WCat-C) in the outermost layer is 0.2 to 0.6.
摘要翻译：本发明的目的是提供一种适用于实现充分防止初始特性降低的聚合物电解质燃料电池的催化剂涂覆膜，并且长时间表现出足够的电池性能并且具有优异的耐久性。在至少阴极催化剂层中，聚合物电解质的重量比（W P P P C C））相对于催化剂载体碳（W CatC-C）的重量从位于最靠近聚合物电解质膜的最内层朝向距离聚合物电解质膜最远的最外层降低。最内层的比例（W / P / W Cat-C）为0.8〜3.0，比率（W / P / W / 最外层中的“Cat-C”）为0.2〜0.6。

7. 发明授权

US07687184B2 Membrane electrode assembly with a fibrous substrate, method for producing the same and polymer electrolyte fuel cell 失效
标题翻译：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
申请人： Masaki Yamauchi , Yoshihiro Hori , Akihiko Yoshida , Mikiko Yoshimura , Makoto Uchida
发明人： Masaki Yamauchi , Yoshihiro Hori , Akihiko Yoshida , Mikiko Yoshimura , Makoto Uchida
IPC分类号： H01M4/00 , H01M8/10
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。

8. 发明授权

US07560180B2 Gas diffusion layer and fuel cell using the same 有权
标题翻译：气体扩散层和使用其的燃料电池
公开(公告)号：US07560180B2
公开(公告)日：2009-07-14
申请号：US11062749
申请日：2005-02-23
申请人： Akihiko Yoshida , Masaki Yamauchi , Yoshihiro Hori , Makoto Uchida
发明人： Akihiko Yoshida , Masaki Yamauchi , Yoshihiro Hori , Makoto Uchida
IPC分类号： H01M8/00 , H01M4/00
CPC分类号： H01M8/023 , H01M4/8605 , H01M8/04156 , H01M8/1007
摘要： To provide a gas diffusion layer excellent in micro short-circuit resistance and anti-flooding characteristics by optimizing the surface shape of a gas diffusion layer.In a gas diffusion layer for a gas diffusion electrode including at least a catalyst layer containing an electrode catalyst and a gas diffusion layer having electron conductivity and gas diffusibility, a second surface of the gas diffusion layer, which is positioned opposite to a first surface thereof to be in contact with the catalyst layer, is made rougher than the first surface. The first surface has a maximum height Ry1 of 10 to 50 determined by JIS B 0601 surface roughness measurement method, and the second surface has a maximum height Ry2 of 100 to 500 determined by JIS B 0601 surface roughness measurement method.
摘要翻译：通过优化气体扩散层的表面形状，提供微短路电阻和防淹特性优异的气体扩散层。在至少含有电极催化剂的催化剂层和具有电子传导性和气体扩散性的气体扩散层的气体扩散电极用气体扩散层中，与第一表面相对的气体扩散层的第二表面与催化剂层接触，比第一表面更粗糙。第一表面具有由JIS B 0601表面粗糙度测量方法确定的10至50的最大高度Ry1，并且第二表面具有由JIS B 0601表面粗糙度测量方法确定的100至500的最大高度Ry2。

9. 发明申请

US20080311462A1 Membrane Electrode Assembly, Method for Producing the Same and Polymer Electrolyte Fuel Cell 失效
标题翻译：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
申请人： Masaki Yamauchi , Yoshihiro Hori , Akihiko Yoshida , Mikiko Yoshimura , Makoto Uchida
发明人： Masaki Yamauchi , Yoshihiro Hori , Akihiko Yoshida , Mikiko Yoshimura , Makoto Uchida
IPC分类号： H01M4/86 , H01M8/10 , H01M4/88
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”？>

10. 发明申请

US20050214630A1 Gas diffusion layer and fuel cell using the same 有权
标题翻译：气体扩散层和使用其的燃料电池
公开(公告)号：US20050214630A1
公开(公告)日：2005-09-29
申请号：US11062749
申请日：2005-02-23
申请人： Akihiko Yoshida , Masaki Yamauchi , Yoshihiro Hori , Makoto Uchida
发明人： Akihiko Yoshida , Masaki Yamauchi , Yoshihiro Hori , Makoto Uchida
IPC分类号： H01M4/86 , H01M4/94 , H01M8/02 , H01M8/04 , H01M8/10
CPC分类号： H01M8/023 , H01M4/8605 , H01M8/04156 , H01M8/1007
摘要： To provide a gas diffusion layer excellent in micro short-circuit resistance and anti-flooding characteristics by optimizing the surface shape of a gas diffusion layer. In a gas diffusion layer for a gas diffusion electrode including at least a catalyst layer containing an electrode catalyst and a gas diffusion layer having electron conductivity and gas diffusibility, a second surface of the gas diffusion layer, which is positioned opposite to a first surface thereof to be in contact with the catalyst layer, is made rougher than the first surface. The first surface has a maximum height Ry1 of 10 to 50 determined by JIS B 0601 surface roughness measurement method, and the second surface has a maximum height Ry2 of 100 to 500 determined by JIS B 0601 surface roughness measurement method.
摘要翻译：通过优化气体扩散层的表面形状，提供微短路电阻和防淹特性优异的气体扩散层。在至少含有电极催化剂的催化剂层和具有电子传导性和气体扩散性的气体扩散层的气体扩散电极用气体扩散层中，与第一表面相对的气体扩散层的第二表面与催化剂层接触，比第一表面更粗糙。第一表面具有由JIS B 0601表面粗糙度测量方法确定的10至50的最大高度Ry <1> 1，并且第二表面的最大高度Ry <2> <100>为100至 500根据JIS B 0601表面粗糙度测定法测定。

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