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公开(公告)号：US07968238B2
公开(公告)日：2011-06-28
申请号：US11752559
申请日：2007-05-23
CPC分类号： H01M8/04089 , H01M8/04589 , H01M8/04753 , H01M8/0488
摘要： A method for operating a fuel cell system including a fuel cell stack composed of a plurality of cells connected in series. The method includes the steps of: (a) supplying a fuel and an oxidant to anodes and cathodes of the cells, respectively, depending on a load to generate power at a constant voltage under constant voltage control; (b) temporarily suspending the supply of the oxidant with the fuel being supplied; and (c) lowering the constant voltage to a predetermined voltage simultaneously with or immediately before the suspension of the supply of the oxidant. According to this operation method, when the supply of the oxidant is suspended, a platinum catalyst in the cathodes can be reduced and reactivated in all the cells.
摘要翻译： 一种操作燃料电池系统的方法，所述燃料电池系统包括由串联连接的多个电池组成的燃料电池堆。 该方法包括以下步骤：（a）根据负载分别向电池的阳极和阴极供应燃料和氧化剂，以在恒定电压下以恒定电压控制发电; （b）暂时中止所供应的燃料供应氧化剂; 和（c）在氧化剂的供给停止之前或之前同时将恒定电压降低到预定电压。 根据该操作方法，当悬浮氧化剂的供给时，阴极中的铂催化剂可以在所有的电池中被还原并重新活化。
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公开(公告)号：US20060019131A1
公开(公告)日：2006-01-26
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.
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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：US07824812B2
公开(公告)日：2010-11-02
申请号：US11808162
申请日：2007-06-07
申请人： Hideyuki Ueda , Masahiro Takada
发明人： Hideyuki Ueda , Masahiro Takada
CPC分类号： H01M8/04156 , H01M8/04186 , H01M8/0662 , H01M8/0687
摘要： A fuel cell system includes a fuel cell including at least one unit cell having an anode, an anode-side flow channel for supplying a fuel to the anode, a cathode, and a cathode-side flow channel for supplying an oxidant to the cathode. The fuel cell system further includes a gas-liquid separator for catalytically purifying the effluent from the anode and the effluent from the cathode to collect liquid. The gas-liquid separator is connected to an anode-side discharge path for the effluent and a cathode-side discharge path for the effluent, which are in fluid communication with a fuel outlet of the anode-side flow channel and an oxidant outlet of the cathode-side flow channel, respectively.
摘要翻译： 燃料电池系统包括燃料电池，其包括至少一个具有阳极的单元电池，用于向阳极供应燃料的阳极侧流动通道，用于向阴极供应氧化剂的阴极和阴极侧流动通道。 燃料电池系统还包括用于催化净化来自阳极的流出物和来自阴极的流出物以收集液体的气液分离器。 气液分离器连接到用于流出物的阳极侧排放路径和用于流出物的阴极侧排放路径，其与阳极侧流动通道的燃料出口和氧化剂出口流体连通 阴极侧流路。
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公开(公告)号：US20070287054A1
公开(公告)日：2007-12-13
申请号：US11808162
申请日：2007-06-07
申请人： Hideyuki Ueda , Masahiro Takada
发明人： Hideyuki Ueda , Masahiro Takada
CPC分类号： H01M8/04156 , H01M8/04186 , H01M8/0662 , H01M8/0687
摘要： A fuel cell system includes a fuel cell including at least one unit cell having an anode, an anode-side flow channel for supplying a fuel to the anode, a cathode, and a cathode-side flow channel for supplying an oxidant to the cathode. The fuel cell system further includes a gas-liquid separator for catalytically purifying the effluent from the anode and the effluent from the cathode to collect liquid. The gas-liquid separator is connected to an anode-side discharge path for the effluent and a cathode-side discharge path for the effluent, which are in fluid communication with a fuel outlet of the anode-side flow channel and an oxidant outlet of the cathode-side flow channel, respectively.
摘要翻译： 燃料电池系统包括燃料电池，其包括至少一个具有阳极的单元电池，用于向阳极供应燃料的阳极侧流动通道，用于向阴极供应氧化剂的阴极和阴极侧流动通道。 燃料电池系统还包括用于催化净化来自阳极的流出物和来自阴极的流出物以收集液体的气液分离器。 气液分离器连接到用于流出物的阳极侧排放路径和用于流出物的阴极侧排放路径，其与阳极侧流动通道的燃料出口和氧化剂出口流体连通 阴极侧流路。
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公开(公告)号：US08076040B2
公开(公告)日：2011-12-13
申请号：US12116675
申请日：2008-05-07
申请人： Hideyuki Ueda , Masahiro Takada
发明人： Hideyuki Ueda , Masahiro Takada
IPC分类号： H01M8/02
CPC分类号： H01M8/1009 , H01M8/0258 , H01M8/0263 , H01M8/04082 , H01M8/04197
摘要： A direct oxidation fuel cell of this invention has at least one unit cell including: a membrane-electrode assembly comprising an electrolyte membrane sandwiched between an anode and a cathode, each of the anode and the cathode including a catalyst layer and a diffusion layer; an anode-side separator with a fuel flow channel for supplying a fuel to the anode; and a cathode-side separator with an oxidant flow channel for supplying an oxidant containing oxygen gas to the cathode. The fuel flow channel and the oxidant flow channel are so structured that the concentration of the oxygen gas in the oxidant flow channel is higher at a part opposing an upstream part of the fuel flow channel than at a part opposing a downstream part of the fuel flow channel.
摘要翻译： 本发明的直接氧化燃料电池具有至少一个单电池，包括：膜 - 电极组件，包括夹在阳极和阴极之间的电解质膜，阳极和阴极中的每一个包括催化剂层和扩散层; 具有用于向阳极供应燃料的燃料流动通道的阳极侧分离器; 以及阴极侧隔板，其具有用于向阴极供给含有氧气的氧化剂的氧化剂流路。 燃料流动通道和氧化剂流动通道的结构使得氧化剂流动通道中的氧气的浓度在与燃料流动通道的下游部分相对的部分处与燃料流动通道的上游部分相对的部分较高 渠道。
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公开(公告)号：US20080286617A1
公开(公告)日：2008-11-20
申请号：US12116675
申请日：2008-05-07
申请人： Hideyuki Ueda , Masahiro Takada
发明人： Hideyuki Ueda , Masahiro Takada
IPC分类号： H01M8/02
CPC分类号： H01M8/1009 , H01M8/0258 , H01M8/0263 , H01M8/04082 , H01M8/04197
摘要： A direct oxidation fuel cell of this invention has at least one unit cell including: a membrane-electrode assembly comprising an electrolyte membrane sandwiched between an anode and a cathode, each of the anode and the cathode including a catalyst layer and a diffusion layer; an anode-side separator with a fuel flow channel for supplying a fuel to the anode; and a cathode-side separator with an oxidant flow channel for supplying an oxidant containing oxygen gas to the cathode. The fuel flow channel and the oxidant flow channel are so structured that the concentration of the oxygen gas in the oxidant flow channel is higher at a part opposing an upstream part of the fuel flow channel than at a part opposing a downstream part of the fuel flow channel.
摘要翻译： 本发明的直接氧化燃料电池具有至少一个单电池，包括：膜 - 电极组件，包括夹在阳极和阴极之间的电解质膜，阳极和阴极中的每一个包括催化剂层和扩散层; 具有用于向阳极供应燃料的燃料流动通道的阳极侧分离器; 以及阴极侧隔板，其具有用于向阴极供给含有氧气的氧化剂的氧化剂流路。 燃料流动通道和氧化剂流动通道被构造成使得氧化剂流动通道中的氧气的浓度在与燃料流动通道的下游部分相对的部分处在与燃料流动通道的上游部分相对的部分处较高 渠道。
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8.发明申请FUEL CONTAINER FOR STORING FUEL LIQUID FOR FUEL CELL AND FUEL CELL PACK 审中-公开用于储存燃料电池和燃料电池组的燃料液的燃料容器公开(公告)号：US20110091795A1
公开(公告)日：2011-04-21
申请号：US12978909
申请日：2010-12-27
申请人： Takashi AKIYAMA , Junji Niikura , Kohji Yuasa , Yukihiro Okada , Satoshi Shibutani , Hideyuki Ueda
发明人： Takashi AKIYAMA , Junji Niikura , Kohji Yuasa , Yukihiro Okada , Satoshi Shibutani , Hideyuki Ueda
CPC分类号： H01M8/04208 , H01M8/0284 , H01M8/2475
摘要： A fuel container for storing a fuel liquid for a fuel cell has a double wall structure including an inner container for storing a fuel liquid and an outer container for housing the inner container, and a material capable of retaining the fuel between the inner container and the outer container. A fuel cell pack includes a fuel cell and a fuel container for storing a fuel liquid for the fuel cell. The fuel cell pack includes a double wall exterior casing having an inner casing for housing the fuel cell and the fuel container and an outer casing for housing the inner casing, and a material capable of retaining the fuel between the inner casing and the outer casing.
摘要翻译： 用于储存燃料电池用燃料液体的燃料容器具有双层壁结构，该双层壁结构包括用于储存燃料液的内部容器和用于容纳内部容器的外部容器，以及能够将燃料保持在内部容器和内部容器之间的材料 外容器。 燃料电池组包括燃料电池和用于存储用于燃料电池的燃料液体的燃料容器。 燃料电池组包括双壁外壳，其具有用于容纳燃料电池和燃料容器的内壳和用于容纳内壳的外壳，以及能够将燃料保持在内壳和外壳之间的材料。
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9.发明授权Membrane-electrode assembly for direct oxidation fuel cell and direct oxidation fuel cell 失效用于直接氧化燃料电池和直接氧化燃料电池的膜 - 电极组件公开(公告)号：US08399144B2
公开(公告)日：2013-03-19
申请号：US12336149
申请日：2008-12-16
申请人： Hideyuki Ueda , Hiroaki Matsuda , Takashi Akiyama
发明人： Hideyuki Ueda , Hiroaki Matsuda , Takashi Akiyama
IPC分类号： H01M8/10
CPC分类号： H01M4/8605 , H01M4/881 , H01M8/04156 , H01M8/1004 , H01M8/1011 , Y02E60/523
摘要： A membrane-electrode assembly for a direct oxidation fuel cell includes an electrolyte membrane, and an anode and a cathode sandwiching said electrolyte membrane. The cathode includes a catalyst layer in contact with the electrolyte membrane and a diffusion layer formed on the catalyst layer, and the catalyst layer contains 2 to 20% by volume of pores. A direct oxidation fuel cell including this membrane-electrode assembly has excellent power generating performance and durability.
摘要翻译： 用于直接氧化燃料电池的膜 - 电极组件包括电解质膜和夹着所述电解质膜的阳极和阴极。 阴极包括与电解质膜接触的催化剂层和形成在催化剂层上的扩散层，催化剂层含有2〜20体积％的孔。 包括该膜 - 电极组件的直接氧化燃料电池具有优异的发电性能和耐久性。
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10.发明申请Fuel container for storing fuel liquid for fuel cell and fuel cell pack 审中-公开用于储存用于燃料电池和燃料电池组件的燃料液体的燃料容器公开(公告)号：US20070125786A1
公开(公告)日：2007-06-07
申请号：US10588279
申请日：2005-01-28
申请人： Takashi Akiyama , Junji Niikura , Kohji Yuasa , Yukihiro Okada , Satoshi Shibutani , Hideyuki Ueda
发明人： Takashi Akiyama , Junji Niikura , Kohji Yuasa , Yukihiro Okada , Satoshi Shibutani , Hideyuki Ueda
CPC分类号： H01M8/04208 , H01M8/0284 , H01M8/2475
摘要： A fuel container for storing a fuel liquid for a fuel cell has a double wall structure including an inner container for storing a fuel liquid and an outer container for housing the inner container, and a material capable of retaining the fuel between the inner container and the outer container. A fuel cell pack includes a fuel cell and a fuel container for storing a fuel liquid for the fuel cell. The fuel cell pack includes a double wall exterior casing having an inner casing for housing the fuel cell and the fuel container and an outer casing for housing the inner casing, and a material capable of retaining the fuel between the inner casing and the outer casing.
摘要翻译： 用于储存燃料电池用燃料液体的燃料容器具有双层壁结构，该双层壁结构包括用于储存燃料液的内部容器和用于容纳内部容器的外部容器，以及能够将燃料保持在内部容器和内部容器之间的材料 外容器。 燃料电池组包括燃料电池和用于存储用于燃料电池的燃料液体的燃料容器。 燃料电池组包括双壁外壳，其具有用于容纳燃料电池和燃料容器的内壳和用于容纳内壳的外壳，以及能够将燃料保持在内壳和外壳之间的材料。
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