公开(公告)号：US07803490B2

公开(公告)日：2010-09-28

申请号：US11312369

申请日：2005-12-21

申请人： Hideyuki Ueda ,  Shinsuke Fukuda

发明人： Hideyuki Ueda ,  Shinsuke Fukuda

IPC分类号： H01M4/00

CPC分类号： H01M8/04186 ,  H01M4/8605 ,  H01M8/0234 ,  H01M8/0239 ,  H01M8/04197 ,  H01M8/1011 ,  Y02E60/523

摘要： A direct methanol fuel cell of the present invention includes a unit cell having an electrolyte membrane, an anode on one surface of the electrolyte membrane, and a cathode on the other surface of the electrolyte membrane. The anode includes an anode catalyst layer and an anode diffusion layer. The anode catalyst layer is in contact with a surface of the electrolyte membrane. The anode diffusion layer is in contact with a surface of the anode catalyst layer opposite to the surface of the anode catalyst layer in contact with the electrolyte membrane. A methanol flux value JGDL of the anode diffusion layer and a methanol flux value JPEM of the electrolyte membrane satisfy the following relations: JGDL=1×10−5 to 5×10−4 mol/(cm2·min.),  (i) and JPEM×JGDL≦1×10−8 [mol/(cm2·min.)]2.  (ii)

摘要翻译： 本发明的直接甲醇燃料电池包括具有电解质膜的单元电池，电解质膜的一个表面上的阳极和电解质膜的另一个表面上的阴极。 阳极包括阳极催化剂层和阳极扩散层。 阳极催化剂层与电解质膜的表面接触。 阳极扩散层与阳极催化剂层的与电解质膜接触的与阳极催化剂层的表面相反的表面接触。 阳极扩散层的甲醇流量值JGDL和电解质膜的甲醇通量值JPEM满足以下关系：JGDL = 1×10-5〜5×10-4mol /（cm2·min。），（i） 和JPEM×JGDL＆nlE; 1×10 -8 [mol /（cm 2·min。）] 2。 （ii）

公开(公告)号：US20060134508A1

公开(公告)日：2006-06-22

申请号：US11312369

申请日：2005-12-21

申请人： Hideyuki Ueda ,  Shinsuke Fukuda

发明人： Hideyuki Ueda ,  Shinsuke Fukuda

IPC分类号： H01M4/94 ,  H01M8/10

CPC分类号： H01M8/04186 ,  H01M4/8605 ,  H01M8/0234 ,  H01M8/0239 ,  H01M8/04197 ,  H01M8/1011 ,  Y02E60/523

摘要： A direct methanol fuel cell of the present invention includes a unit cell having an electrolyte membrane, an anode on one surface of the electrolyte membrane, and a cathode on the other surface of the electrolyte membrane. The anode includes an anode catalyst layer and an anode diffusion layer. The anode catalyst layer is in contact with a surface of the electrolyte membrane. The anode diffusion layer is in contact with a surface of the anode catalyst layer opposite to the surface of the anode catalyst layer in contact with the electrolyte membrane. A methanol flux value JGDL of the anode diffusion layer and a methanol flux value JPEM of the electrolyte membrane satisfy the following relations: JGDL=1×10−5 to 5×10−4 mol/(cm2·min.),  (i) and JPEM×JGDL≦1×10−8 [mol/(cm2·min.)]2.  (ii)

摘要翻译： 本发明的直接甲醇燃料电池包括具有电解质膜的单元电池，电解质膜的一个表面上的阳极和电解质膜的另一个表面上的阴极。 阳极包括阳极催化剂层和阳极扩散层。 阳极催化剂层与电解质膜的表面接触。 阳极扩散层与阳极催化剂层的与电解质膜接触的与阳极催化剂层的表面相反的表面接触。 电解质膜的阳极扩散层的甲醇流量值JDSLDS和甲醇流量值J PEM＆lt;＆gt;满足以下关系：＆lt;＆RightArrow;＆CenterDot; “In-line Formulas”end =“lead”？> J＆lt; GDL＆gt; = 1×10 -5至5×10 -4 mol /（cm -1） > 2 .min。），（i）<？in-line-formula description =“In-line Formulas”end =“tail”？>和<？in-line-formula description =“In-line 公式“end =”lead“？> J PIP xJ GDL <= 1×10 -8 [mol /（cm 2） SUP> .min。）] <2> 。 （ii）<？in-line-formula description =“In-line Formulas”end =“tail”？>

公开(公告)号：US20070141448A1

公开(公告)日：2007-06-21

申请号：US11640176

申请日：2006-12-18

申请人： Hideyuki Ueda ,  Shinsuke Fukuda ,  Takashi Akiyama

发明人： Hideyuki Ueda ,  Shinsuke Fukuda ,  Takashi Akiyama

IPC分类号： H01M4/94 ,  H01M8/02

CPC分类号： H01M8/0239 ,  H01M8/04194 ,  H01M8/1009 ,  H01M2008/1095

摘要： A direct-type fuel cell having excellent power generating characteristics even under operating conditions utilizing a high concentration fuel at low air flow rates. The anode includes an anode-side diffusion layer that faces the fuel flow channel and an anode-side catalyst layer in contact with the electrolyte membrane. The cathode includes a cathode-side diffusion layer that faces the air flow channel and a cathode-side catalyst layer in contact with the electrolyte membrane. A surface area of the anode-side diffusion layer facing the fuel flow channel or both a surface area of the anode-side diffusion layer facing the fuel flow channel and a surface area of the cathode-side diffusion layer facing the air flow channel have a critical surface tension of penetrating wettability of 22 to 40 mN/m.

摘要翻译： 即使在低空气流量下使用高浓度燃料的工作条件下也具有优异的发电特性的直接型燃料电池。 阳极包括面向燃料流路的阳极侧扩散层和与电解质膜接触的阳极侧催化剂层。 阴极包括面向气流通道的阴极侧扩散层和与电解质膜接触的阴极侧催化剂层。 面向燃料流路的阳极侧扩散层的表面积或面向燃料流路的阳极侧扩散层的表面积和面向空气流路的阴极侧扩散层的表面积均为 渗透润湿性的临界表面张力为22〜40mN / m。

公开(公告)号：US07745063B2

公开(公告)日：2010-06-29

申请号：US11099627

申请日：2005-04-06

申请人： Takashi Akiyama ,  Kohji Yuasa ,  Hideyuki Ueda ,  Shinsuke Fukuda

发明人： Takashi Akiyama ,  Kohji Yuasa ,  Hideyuki Ueda ,  Shinsuke Fukuda

IPC分类号： H01M8/04 ,  H01M8/02 ,  H01M8/00

CPC分类号： H01M8/0265 ,  H01M4/8814 ,  H01M8/0245 ,  H01M8/0258 ,  H01M8/026 ,  H01M8/0263 ,  H01M8/0267 ,  H01M8/04291 ,  H01M8/1007 ,  H01M8/1011 ,  H01M8/1067 ,  H01M8/241 ,  H01M8/2415 ,  H01M2008/1095 ,  Y02E60/523

摘要： To prevent the flooding phenomenon at the cathode in a unit cell where the temperature is relatively low or the supply of air is small, a fuel cell stack includes at least three flat unit cells stacked with separators interposed therebetween, the unit cells comprising an anode, a cathode and an electrolyte membrane sandwiched therebetween, and having an oxidant channel formed on the surface of the separator adjacent to the cathode, and the anode and the cathode comprising a catalyst layer attached to the electrolyte membrane and a diffusion layer, wherein the cross-sectional area of the inlet side of the oxidant channel, the area of the cathode catalyst layer, the thickness of the electrolyte membrane or the amount of a water repellent contained in the combination of the cathode and the oxidant channel is the largest in at least one of the unit cells at the ends of the stack.

摘要翻译： 为了防止在温度相对较低或空气供应的单元电池中的阴极处的溢流现象，燃料电池堆包括至少三个平坦的单元电池，其间隔着隔板堆叠，单元电池包括阳极， 阴极和电解质膜，并且在隔板的与阴极相邻的表面上形成有氧化剂通道，阳极和阴极包括附着在电解质膜上的催化剂层和扩散层， 氧化剂通道的入口侧的截面积，阴极催化剂层的面积，电解质膜的厚度或包含在阴极和氧化剂通道的组合中的防水剂的量在至少一个 的堆叠端部的单元电池。

公开(公告)号：US07670705B2

公开(公告)日：2010-03-02

申请号：US10567437

申请日：2005-03-02

申请人： Hideyuki Ueda ,  Takashi Akiyama ,  Kohji Yuasa ,  Shinsuke Fukuda ,  Yukihiro Okada ,  Satoshi Shibutani

发明人： Hideyuki Ueda ,  Takashi Akiyama ,  Kohji Yuasa ,  Shinsuke Fukuda ,  Yukihiro Okada ,  Satoshi Shibutani

IPC分类号： H01M2/00

CPC分类号： H01M8/0662 ,  B01D2258/0208 ,  H01M4/921 ,  H01M8/1011 ,  H01M2008/1095 ,  Y02E60/523

摘要： A fuel cell system includes: a fuel cell including an anode, a cathode, and an electrolyte interposed between the anode and the cathode; and a purifying apparatus including a catalyst layer that purifies an effluent discharged from the anode. The purifying apparatus has a porous sheet including the catalyst layer and two flow paths disposed on both sides thereof. One of the flow paths has an inlet into which the effluent discharged from the anode is introduced, and the other flow path has an inlet into which air is introduced and an outlet. The effluent discharged from the anode is passed through the porous sheet for purification and then discharged from the outlet.

摘要翻译： 燃料电池系统包括：燃料电池，其包括阳极，阴极和介于阳极和阴极之间的电解质; 以及净化装置，其包括净化从阳极排出的流出物的催化剂层。 净化装置具有包括催化剂层和设置在其两侧的两个流路的多孔片。 流路中的一个具有引入从阳极排出的流出物的入口，另一个流路具有引入空气的入口和出口。 从阳极排出的废液通过多孔板进行净化，然后从出口排出。

公开(公告)号：US20070178367A1

公开(公告)日：2007-08-02

申请号：US11698902

申请日：2007-01-29

申请人： Hideyuki Ueda ,  Shinsuke Fukuda

发明人： Hideyuki Ueda ,  Shinsuke Fukuda

IPC分类号： H01M4/94 ,  H01M8/10 ,  H01M8/02 ,  H01M8/04

CPC分类号： H01M8/0243 ,  H01M8/0234 ,  H01M8/0239 ,  H01M8/0245 ,  H01M8/04194 ,  H01M8/04328 ,  H01M8/04447 ,  H01M8/04708 ,  H01M8/04798 ,  H01M8/1011 ,  Y02E60/523

摘要： A direct oxidation fuel cell includes at least one unit cell. The at least one unit cell includes an anode, a cathode, and a hydrogen-ion conductive polymer electrolyte membrane interposed between the anode and the cathode. The anode includes: a catalyst layer in contact with the polymer electrolyte membrane; and a diffusion layer. The diffusion layer includes: a porous composite layer containing a water-repellent binding material and an electron-conductive material; a first conductive porous substrate provided on the anode-side separator side of the porous composite layer; and a second conductive porous substrate provided on the catalyst layer side of the porous composite layer.

摘要翻译： 直接氧化燃料电池包括至少一个单电池。 至少一个单元电池包括阳极，阴极和置于阳极和阴极之间的氢离子导电聚合物电解质膜。 阳极包括：与聚合物电解质膜接触的催化剂层; 和扩散层。 扩散层包括：含有拒水结合材料和电子传导材料的多孔复合层; 设置在所述多孔复合层的阳极侧隔板侧的第一导电性多孔质基材; 以及设置在多孔复合层的催化剂层侧的第二导电性多孔质基材。

公开(公告)号：US20060210863A1

公开(公告)日：2006-09-21

申请号：US11377450

申请日：2006-03-17

申请人： Shinsuke Fukuda ,  Hideyuki Ueda

发明人： Shinsuke Fukuda ,  Hideyuki Ueda

IPC分类号： H01M8/02 ,  H01M8/10

CPC分类号： H01M8/1011 ,  H01M8/0223 ,  H01M8/0228 ,  H01M8/0241 ,  H01M8/0258 ,  H01M8/0265 ,  H01M8/0267 ,  H01M8/0271 ,  H01M8/241 ,  H01M2008/1095 ,  H01M2300/0082 ,  Y02E60/523

摘要： For give a direct methanol fuel cell which secures the fuel supply to the catalyst layer, reliably discharge generated carbon dioxide gas, and has excellent electricity generation ability, at least a portion of the anode side flow path is divided by a film having water-repellency and gas permeability to a first flow path portion positioned at the membrane electrode assembly side and a second flow path portion positioned at the bottom side of the anode side flow path where a fuel mainly flows in the first flow path portion and carbon dioxide mainly flows in the second flow path portion.

公开(公告)号：US07781121B2

公开(公告)日：2010-08-24

申请号：US11953749

申请日：2007-12-10

申请人： Hideyuki Ueda ,  Shinsuke Fukuda

发明人： Hideyuki Ueda ,  Shinsuke Fukuda

IPC分类号： H01M8/02

CPC分类号： H01M8/0263 ,  H01M8/026 ,  H01M8/04089 ,  H01M8/04186 ,  H01M8/04201 ,  H01M8/1009

摘要： The fuel cell of this invention includes at least one unit cell that includes: a membrane-electrode assembly including an electrolyte membrane sandwiched between an anode and a cathode; an anode-side separator in contact with the anode and having a fuel flow path for supplying a fuel to the anode; and a cathode-side separator in contact with the cathode and having an oxidant flow path for supplying an oxidant to the cathode. The fuel flow path has a first flow channel and a second flow channel, and each of the first flow channel and the second flow channel has a fuel inlet and a fuel outlet. The first flow channel and the second flow channel are adjacent to each other, and the direction of the flow of fuel through the first flow channel is opposite to the direction of the flow of fuel through the second flow channel.

摘要翻译： 本发明的燃料电池包括至少一个单电池，其包括：膜 - 电极组件，其包括夹在阳极和阴极之间的电解质膜; 与阳极接触并具有用于向阳极供应燃料的燃料流路的阳极侧隔板; 以及与阴极接触并具有用于向阴极供应氧化剂的氧化剂流动路径的阴极侧隔板。 燃料流路具有第一流动通道和第二流动通道，并且第一流动通道和第二流动通道中的每一个具有燃料入口和燃料出口。 第一流动通道和第二流动通道彼此相邻，并且通过第一流动通道的燃料流动的方向与通过第二流动通道的燃料流动的方向相反。

公开(公告)号：US07473483B2

公开(公告)日：2009-01-06

申请号：US11377450

申请日：2006-03-17

申请人： Shinsuke Fukuda ,  Hideyuki Ueda

发明人： Shinsuke Fukuda ,  Hideyuki Ueda

IPC分类号： H01M2/00 ,  H01M2/14

CPC分类号： H01M8/1011 ,  H01M8/0223 ,  H01M8/0228 ,  H01M8/0241 ,  H01M8/0258 ,  H01M8/0265 ,  H01M8/0267 ,  H01M8/0271 ,  H01M8/241 ,  H01M2008/1095 ,  H01M2300/0082 ,  Y02E60/523

摘要： For give a direct methanol fuel cell which secures the fuel supply to the catalyst layer, reliably discharge generated carbon dioxide gas, and has excellent electricity generation ability, at least a portion of the anode side flow path is divided by a film having water-repellency and gas permeability to a first flow path portion positioned at the membrane electrode assembly side and a second flow path portion positioned at the bottom side of the anode side flow path where a fuel mainly flows in the first flow path portion and carbon dioxide mainly flows in the second flow path portion.

摘要翻译： 为了得到将燃料供给固定在催化剂层上的直接甲醇燃料电池，可靠地排出生成的二氧化碳气体，发电能力优异，阳极侧流路的至少一部分被具有防水性的膜 以及位于膜电极组件侧的第一流路部分的气体渗透性和位于阳极侧流路底部侧的第二流路部分，其中燃料主要在第一流路部分中流动，二氧化碳主要流入 第二流路部。

公开(公告)号：US20080213647A1

公开(公告)日：2008-09-04

申请号：US10567437

申请日：2005-03-02

申请人： Hideyuki Ueda ,  Takashi Akiyama ,  Kohji Yuasa ,  Shinsuke Fukuda ,  Yukihiro Okada ,  Satoshi Shibutani

发明人： Hideyuki Ueda ,  Takashi Akiyama ,  Kohji Yuasa ,  Shinsuke Fukuda ,  Yukihiro Okada ,  Satoshi Shibutani

IPC分类号： H01M8/02

CPC分类号： H01M8/0662 ,  B01D2258/0208 ,  H01M4/921 ,  H01M8/1011 ,  H01M2008/1095 ,  Y02E60/523

摘要： A fuel cell system, comprising a fuel cell having an anode, a cathode, and an electrolyte interposed therebetween and a purification device having a catalyst layer purifying substances discharged from the anode. The fuel cell system is characterized in that the purification device comprises a porous sheet having a catalyst layer and two flow passages disposed on both sides of the porous sheet, an inlet to which the substances discharged from the anode is led is formed in one flow passage, an inlet to which air is led and an outlet are formed in the other flow passage, and the substances discharged from the anode are discharged from the outlet after being purified through the porous sheet.

摘要翻译： 一种燃料电池系统，包括具有阳极，阴极和介于其间的电解质的燃料电池和具有净化从阳极排出的物质的催化剂层的净化装置。 燃料电池系统的特征在于，净化装置包括具有催化剂层和设置在多孔片两侧的两个流路的多孔片，从阳极排出的物质引入的入口形成在一个流路 在另一个流路中形成有空气被引导的入口和出口，并且从净化出的多孔片材后，从阳极排出的物质从出口排出。