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公开(公告)号：US20050238943A1
公开(公告)日：2005-10-27
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
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。
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公开(公告)号：US08389173B2
公开(公告)日：2013-03-05
申请号：US11116288
申请日：2005-04-28
CPC分类号： H01M16/003 , H01M8/0258 , H01M8/0263 , H01M8/04223 , H01M8/04291 , H01M8/04302 , H01M8/1011 , H01M8/241 , Y02E60/523
摘要： A method for activating a direct oxidation fuel cell including an anode, a cathode, and a proton-conductive electrolyte membrane interposed between the anode and the cathode is provided. The anode and the cathode each have a catalyst layer on a face in contact with the proton-conductive electrolyte membrane. This method activates the fuel cell by passing a current through the fuel cell from an external power source, with the positive electrode and the negative electrode of the external power source connected to the anode and the cathode of the fuel cell, respectively, while supplying an organic fuel and an inert gas to the anode and the cathode, respectively.
摘要翻译： 提供一种用于激活包括阳极，阴极和置于阳极和阴极之间的质子传导电解质膜的直接氧化燃料电池的方法。 阳极和阴极在与质子传导性电解质膜接触的面上具有催化剂层。 该方法通过使来自外部电源的电流通过燃料电池来激活燃料电池，其中外部电源的正极和负极分别连接到燃料电池的阳极和阴极，同时供应 有机燃料和惰性气体分别连接到阳极和阴极。
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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
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。
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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。
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公开(公告)号：US07582371B2
公开(公告)日：2009-09-01
申请号：US10858048
申请日：2004-06-02
IPC分类号： H01M8/04
CPC分类号： H01M8/0447 , H01M4/921 , H01M4/926 , H01M8/04186 , H01M8/04291 , H01M8/04402 , H01M8/0441 , H01M8/04462 , H01M8/04589 , H01M8/04619 , H01M8/04798 , H01M8/1011 , Y02E60/523
摘要： A fuel cell system includes: a dilute tank that stores an aqueous solution of liquid fuel and supplies the solution to the anode of a fuel cell; a fuel tank connected to the dilute tank via a first controlling section; a water tank connected to the dilute tank via a second controlling section; and controlling means including a current detector which measures the amount of the fuel consumed by the fuel cell from the amount of power generation. The controlling means controls the first controlling section based on the measured amount of fuel consumption and further includes correcting means for measuring a component of a gas discharged from the cathode, calculating the amount of the fuel which has crossed over from the anode to the cathode based on the measured component, and correcting the measured amount of fuel consumption based on the calculated amount of fuel crossover.
摘要翻译： 燃料电池系统包括：储存液体燃料的水溶液并将溶液供应到燃料电池的阳极的稀释罐; 燃料箱，经由第一控制部连接到稀释罐; 通过第二控制部分连接到稀释罐的水箱; 以及控制装置，其包括电流检测器，其从发电量测量燃料电池消耗的燃料的量。 控制装置基于所测量的燃料消耗量控制第一控制部分，并且还包括用于测量从阴极排出的气体的分量的计算装置，计算从阳极到阴极交叉的燃料量 在测量的部件上，并且基于计算的燃料分流量来校正测量的燃料消耗量。
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公开(公告)号：US07498097B2
公开(公告)日：2009-03-03
申请号：US11019031
申请日：2004-12-22
CPC分类号： H01M4/8867 , H01M4/8642 , H01M4/8657 , H01M4/8828 , H01M4/8882 , H01M4/8896 , H01M4/926 , H01M8/04197 , H01M8/1004 , H01M8/1011 , H01M8/1013 , H01M2004/8684 , Y02E60/522 , Y02E60/523 , Y02P70/56
摘要： In order to prevent the crossover of an organic fuel such as methanol in a fuel cell and to exhibit excellent electricity generation characteristics without impairing the utilization efficiency of the fuel, at least either of (1) a discontinuous catalyst layer being formed on a surface of an anode catalyst layer and having a higher density (existence probability) of platinum type catalyst than the anode catalyst layer and (2) an electrolyte polymer layer is formed at the interface between the anode catalyst layer and a polymer electrolyte membrane.
摘要翻译： 为了防止燃料电池中的有机燃料如甲醇的交叉，并且在不损害燃料的利用效率的情况下显示优异的发电特性，（1）不连续的催化剂层形成在 阳极催化剂层，并且具有比阳极催化剂层更高的铂型催化剂的密度（存在概率）和（2）在阳极催化剂层和聚合物电解质膜之间的界面处形成电解质聚合物层的阳极催化剂层。
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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
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。
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18.发明授权Fuel cell system comprising fuel cell stack, and method for producing fuel cell stack 有权包括燃料电池堆的燃料电池系统和用于生产燃料电池堆的方法公开(公告)号：US08785062B2
公开(公告)日：2014-07-22
申请号：US12616488
申请日：2009-11-11
申请人： Hiroaki Matsuda , Takashi Akiyama
发明人： Hiroaki Matsuda , Takashi Akiyama
CPC分类号： H01M8/04007 , H01M8/04126 , H01M8/04492 , H01M8/04828 , Y02E60/50 , Y02E60/523 , Y02P70/56 , Y10T29/49108
摘要： The fuel cell system of the present invention includes: (A) a fuel cell stack including at least one unit fuel cell including a cathode, an anode, and a polymer electrolyte membrane interposed therebetween; (B) a detecting device for detecting lack of humidification in the fuel cell stack; (C) a water supplying device for supplying moisture to the fuel cell stack when lack of humidification is detected by the detecting device; (D) a heating device for heating the supplied moisture; and (E) a cooling device for cooling the supplied moisture. In the fuel cell system of the present invention, the fuel cell stack is humidified by repeating heating and cooling of the supplied moisture by the heating device and the cooling device, respectively.
摘要翻译： 本发明的燃料电池系统包括：（A）包括至少一个单元燃料电池的燃料电池堆，所述单元燃料电池包括阴极，阳极和插入其间的聚合物电解质膜; （B）用于检测燃料电池堆中的加湿不足的检测装置; （C）当检测装置检测到加湿不足时，向燃料电池堆供水的供水装置; （D）加热供给水分的加热装置; 和（E）用于冷却所供应的水分的冷却装置。 在本发明的燃料电池系统中，燃料电池堆分别通过加热装置和冷却装置的供给水分的重复加热和冷却来加湿。
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公开(公告)号：US20110076593A1
公开(公告)日：2011-03-31
申请号：US12891245
申请日：2010-09-27
申请人： Hiroaki MATSUDA , Takashi Akiyama
发明人： Hiroaki MATSUDA , Takashi Akiyama
IPC分类号： H01M8/10
CPC分类号： H01M8/1011 , H01M4/861 , H01M4/8642 , H01M4/8828 , H01M8/1004 , Y02E60/523
摘要： A direct oxidation fuel cell including at least one cell, the cell being a stacked body including: a membrane electrode assembly including an anode, a cathode, and an electrolyte membrane disposed between the anode and the cathode; an anode-side separator having a fuel flow channel for supplying a liquid fuel to the anode; and a cathode-side separator having an oxidant flow channel for supplying an oxidant to the cathode, in which the anode-side separator includes a first region including an upstream half of the fuel flow channel and a second region including a downstream half of the fuel flow channel, the anode includes an anode catalyst layer in contact with the electrolyte membrane and an anode diffusion layer in contact with the anode-side separator, the anode catalyst layer includes an anode catalyst and a polymer electrolyte, the anode catalyst layer includes an upstream-side region facing the first region and a downstream-side region facing the second region, and the content of the polymer electrolyte in the anode catalyst layer is higher at the upstream-side region than at the downstream-side region.
摘要翻译： 包括至少一个电池的直接氧化燃料电池，所述电池是层叠体，包括：膜电极组件，其包括阳极，阴极和设置在阳极和阴极之间的电解质膜; 阳极侧隔板，具有用于向阳极供给液体燃料的燃料流路; 以及阴极侧隔板，其具有用于向阴极供给氧化剂的氧化剂流动通道，其中阳极侧隔板包括包括燃料流动通道的上游一半的第一区域和包括燃料的下游一半的第二区域 所述阳极包括与所述电解质膜接触的阳极催化剂层和与所述阳极侧隔板接触的阳极扩散层，所述阳极催化剂层包含阳极催化剂和聚合物电解质，所述阳极催化剂层包含上游侧 面向第一区域的侧面区域和面向第二区域的下游侧区域，阳极催化剂层中的聚合物电解质的含量在上游侧区域比在下游侧区域高。
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公开(公告)号：US08557469B2
公开(公告)日：2013-10-15
申请号：US12891245
申请日：2010-09-27
申请人： Hiroaki Matsuda , Takashi Akiyama
发明人： Hiroaki Matsuda , Takashi Akiyama
CPC分类号： H01M8/1011 , H01M4/861 , H01M4/8642 , H01M4/8828 , H01M8/1004 , Y02E60/523
摘要： A direct oxidation fuel cell including at least one cell, the cell being a stacked body including: a membrane electrode assembly including an anode, a cathode, and an electrolyte membrane disposed between the anode and the cathode; an anode-side separator having a fuel flow channel for supplying a liquid fuel to the anode; and a cathode-side separator having an oxidant flow channel for supplying an oxidant to the cathode, in which the anode-side separator includes a first region including an upstream half of the fuel flow channel and a second region including a downstream half of the fuel flow channel, the anode includes an anode catalyst layer in contact with the electrolyte membrane and an anode diffusion layer in contact with the anode-side separator, the anode catalyst layer includes an anode catalyst and a polymer electrolyte, the anode catalyst layer includes an upstream-side region facing the first region and a downstream-side region facing the second region, and the content of the polymer electrolyte in the anode catalyst layer is higher at the upstream-side region than at the downstream-side region.
摘要翻译： 包括至少一个电池的直接氧化燃料电池，所述电池是层叠体，包括：膜电极组件，其包括阳极，阴极和设置在阳极和阴极之间的电解质膜; 阳极侧隔板，具有用于向阳极供给液体燃料的燃料流路; 以及阴极侧隔板，其具有用于向阴极供给氧化剂的氧化剂流动通道，其中阳极侧隔板包括包括燃料流动通道的上游一半的第一区域和包括燃料的下游一半的第二区域 所述阳极包括与所述电解质膜接触的阳极催化剂层和与所述阳极侧隔板接触的阳极扩散层，所述阳极催化剂层包含阳极催化剂和聚合物电解质，所述阳极催化剂层包含上游侧 面向第一区域的侧面区域和面向第二区域的下游侧区域，阳极催化剂层中的聚合物电解质的含量在上游侧区域比在下游侧区域高。
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