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公开(公告)号：US08709220B2
公开(公告)日：2014-04-29
申请号：US13025815
申请日：2011-02-11
申请人： Koji Nakazawa , Masanori Okabe , Eiji Haryu , Kenji Taruya , Koichi Takahashi
发明人： Koji Nakazawa , Masanori Okabe , Eiji Haryu , Kenji Taruya , Koichi Takahashi
CPC分类号： C25B9/206 , C25B1/12 , C25B9/18 , Y02E60/366
摘要： Each unit cell of a water electrolysis apparatus includes a pair of an anode separator and a cathode separator and a membrane electrode assembly interposed between the pair of separators. The anode separator has a first flow field to which water is supplied, and the cathode separator has a second flow field for producing high-pressure hydrogen through electrolysis of the water. A second seal groove for receiving a second seal member is disposed annularly around the second flow field. A pressure-releasing chamber is disposed outwardly of the second seal groove, is capable of communicating with the second seal groove and communicates with the outside through a depressurizing channel.
摘要翻译： 水电解装置的每个单电池包括一对阳极分离器和阴极分离器以及插入在该对分离器之间的膜电极组件。 阳极分离器具有供给水的第一流场，阴极分离器具有用于通过电解电解产生高压氢的第二流场。 用于接收第二密封构件的第二密封槽环绕第二流场设置。 压力释放室设置在第二密封槽的外侧，能够与第二密封槽连通并通过减压通道与外部连通。
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公开(公告)号：US09194048B2
公开(公告)日：2015-11-24
申请号：US13636520
申请日：2011-03-17
申请人： Eiji Haryu , Masanori Okabe , Koji Nakazawa , Kenji Taruya
发明人： Eiji Haryu , Masanori Okabe , Koji Nakazawa , Kenji Taruya
CPC分类号： C25B1/04 , C25B1/10 , C25B9/00 , C25B9/10 , H01M8/0273 , Y02E60/366
摘要： In a unit cell that forms a water electrolysis device, which is an electrochemical device, an electrolyte membrane/electrode structure is sandwiched between an anode-side separator and a cathode-side separator. A load-applying mechanism is disposed between a cathode-side feeder and the cathode-side separator, while an anode-side feeder is set with a smaller contact area range than the aforementioned cathode-side feeder. The anode-side feeder and the cathode-side feeder are set with a larger contact area range than an anode electrode catalyst layer and a cathode electrode catalyst layer, and a contact surface that touches a solid polymer electrolyte membrane on the aforementioned anode-side feeder is disposed projecting farther to the side of the aforementioned solid polymer electrolyte membrane than a contact surface on the anode-side separator and a contact surface on a frame member.
摘要翻译： 在形成作为电化学装置的水电解装置的单电池中，电解质膜/电极结构被夹在阳极侧隔板和阴极侧隔板之间。 负极施加机构设置在阴极侧进料器和阴极侧分离器之间，而阳极侧进料器设置为具有比上述阴极侧进料器更小的接触面积范围。 阳极侧进料器和阴极侧进料器的接触面积范围设定为比阳极电极催化剂层和阴极电极催化剂层大的接触面积，以及接触上述阳极侧供料器上的固体高分子电解质膜的接触面 布置成比阳极侧隔板的接触面和框架构件的接触面更远离上述固体高分子电解质膜的侧面。
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公开(公告)号：US08691060B2
公开(公告)日：2014-04-08
申请号：US12963291
申请日：2010-12-08
申请人： Eiji Haryu , Koji Nakazawa , Masanori Okabe , Kenji Taruya
发明人： Eiji Haryu , Koji Nakazawa , Masanori Okabe , Kenji Taruya
CPC分类号： C25B1/04 , C25B9/20 , Y02E60/366
摘要： A water electrolysis apparatus includes an anode separator having a water flow field held in fluid communication with a water supply passage and a discharge passage. The water flow field includes a plurality of water channels, an arcuate inlet buffer, and an arcuate outlet buffer. The water channels have respective ends connected to the arcuate inlet buffer through respective inlet joint channels. The inlet joint channels are oriented at an angle of 90 degrees or greater with respect to respective tangential lines at the ends of the inlet joint channels which are connected to the arcuate inlet buffer.
摘要翻译： 水电解装置包括具有保持与供水通道和排出通道流体连通的水流场的阳极分离器。 水流场包括多个水通道，弧形入口缓冲器和弓形出口缓冲器。 水通道各自的端部通过相应的入口接头通道连接到弧形入口缓冲器。 入口接头通道相对于连接到弧形入口缓冲器的入口接头通道的端部处的相应切线以90度或更大的角度定向。
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公开(公告)号：US08894829B2
公开(公告)日：2014-11-25
申请号：US12974804
申请日：2010-12-21
申请人： Eiji Haryu , Masanori Okabe , Koji Nakazawa , Kenji Taruya
发明人： Eiji Haryu , Masanori Okabe , Koji Nakazawa , Kenji Taruya
CPC分类号： C25B1/04 , C25B9/20 , C25B15/08 , Y02E60/366
摘要： A water electrolysis apparatus is formed by stacking a plurality of unit cells. Each unit cell includes a membrane electrode assembly, and an anode separator and a cathode separator which sandwich the membrane electrode assembly therebetween. The anode separator has a plurality of inlet joint channels in fluid communication with a water supply passage, and a plurality of outlet joint channels in fluid communication with a discharge passage. The water supply passage has an inner wall surface at which the inlet joint channels are open, and an outer wall surface which faces the inner wall surface, the inner wall surface and the outer wall surface jointly forming an opening of an oblong cross-sectional shape.
摘要翻译： 水电解装置通过堆叠多个单电池形成。 每个单元电池包括膜电极组件和将膜电极组件夹在其间的阳极分离器和阴极分离器。 阳极分离器具有与供水通道流体连通的多个入口接合通道，以及与排出通道流体连通的多个出口接头通道。 供水通道具有入口接头通道打开的内壁表面和面向内壁表面，内壁表面和外壁表面的外壁表面，其共同形成长方形横截面形状的开口 。
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公开(公告)号：US20130015059A1
公开(公告)日：2013-01-17
申请号：US13636520
申请日：2011-03-17
申请人： Eiji Haryu , Masanori Okabe , Koji Nakazawa , Kenji Taruya
发明人： Eiji Haryu , Masanori Okabe , Koji Nakazawa , Kenji Taruya
IPC分类号： C25B9/08
CPC分类号： C25B1/04 , C25B1/10 , C25B9/00 , C25B9/10 , H01M8/0273 , Y02E60/366
摘要： In a unit cell that forms a water electrolysis device, which is an electrochemical device, an electrolyte membrane/electrode structure is sandwiched between an anode-side separator and a cathode-side separator. A load-applying mechanism is disposed between a cathode-side feeder and the cathode-side separator, while an anode-side feeder is set with a smaller contact area range than the aforementioned cathode-side feeder. The anode-side feeder and the cathode-side feeder are set with a larger contact area range than an anode electrode catalyst layer and a cathode electrode catalyst layer, and a contact surface that touches a solid polymer electrolyte membrane on the aforementioned anode-side feeder is disposed projecting farther to the side of the aforementioned solid polymer electrolyte membrane than a contact surface on the anode-side separator and a contact surface on a frame member.
摘要翻译： 在形成作为电化学装置的水电解装置的单电池中，电解质膜/电极结构被夹在阳极侧隔板和阴极侧隔板之间。 负极施加机构设置在阴极侧进料器和阴极侧分离器之间，而阳极侧进料器设置为具有比上述阴极侧进料器更小的接触面积范围。 阳极侧进料器和阴极侧进料器的接触面积范围设定为比阳极电极催化剂层和阴极电极催化剂层更大的接触面积，以及接触上述阳极侧供料器上的固体高分子电解质膜的接触面 布置成比阳极侧隔板的接触面和框架构件的接触面更远离上述固体高分子电解质膜的侧面。
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公开(公告)号：US08815063B2
公开(公告)日：2014-08-26
申请号：US13240539
申请日：2011-09-22
申请人： Eiji Haryu , Koji Nakazawa , Masanori Okabe
发明人： Eiji Haryu , Koji Nakazawa , Masanori Okabe
CPC分类号： C25B1/12 , C25B9/04 , C25B9/10 , C25B9/18 , Y02E60/366
摘要： A high-pressure water electrolysis apparatus includes a plurality of unit cells each having an anode separator, a cathode separator, and a membrane electrode assembly which is sandwiched between the anode separator and the cathode separator. The membrane electrode assembly includes a solid polymer electrolyte membrane, and an anode current collector and a cathode current collector which are disposed respectively on opposite sides of the solid polymer electrolyte membrane. An electrically-conductive member is interposed between the cathode separator and disc springs and between a plate member and the cathode current collector so as to integrally extend from a region between the cathode separator and the disc springs to a region between the plate member and the cathode current collector. The electrically-conductive member includes an electrically-conductive path which electrically connects the cathode separator with the cathode current collector.
摘要翻译： 高压水电解装置包括多个单元电池，每个单电池单元具有阳极隔板，阴极隔板和夹在阳极隔板和阴极隔板之间的膜电极组件。 膜电极组件包括分别设置在固体聚合物电解质膜的相对侧上的固体聚合物电解质膜和阳极集电体和阴极集电体。 在阴极分离器和碟形弹簧之间并且在板件和阴极集电器之间插入一个导电元件，以便从阴极分离器和盘簧之间的区域一体地延伸到板件和阴极之间的区域 集电器 导电构件包括将阴极隔板与阴极集电器电连接的导电路径。
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公开(公告)号：US08961748B2
公开(公告)日：2015-02-24
申请号：US13239876
申请日：2011-09-22
申请人： Eiji Haryu , Koji Nakazawa , Masanori Okabe
发明人： Eiji Haryu , Koji Nakazawa , Masanori Okabe
CPC分类号： C25B15/08 , C25B1/08 , Y02E60/366
摘要： A water electrolysis system includes a water electrolysis apparatus, a low-pressure gas-liquid separator, a high-pressure gas-liquid separator, water pipe, and a decompression water supply device. The high-pressure gas-liquid separator separates the hydrogen received from a cathode of the water electrolysis apparatus and permeation water that has permeated from the anode. The water pipe connects the high-pressure gas-liquid separator and the low-pressure gas-liquid separator and is used for returning the water from the high-pressure gas-liquid separator to the low-pressure gas-liquid separator. The decompression water supply device is arranged at the water pipe and is to decompress the water discharged from the high-pressure gas-liquid separator.
摘要翻译： 水电解系统包括水电解装置，低压气液分离器，高压气液分离器，水管和减压水供给装置。 高压气液分离器分离从水电解装置的阴极接收的氢和从阳极透过的渗透水。 水管连接高压气液分离器和低压气液分离器，用于将水从高压气液分离器返回到低压气液分离器。 减压供水装置配置在水管上，对从高压气液分离器排出的水进行减压。
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公开(公告)号：US08337678B2
公开(公告)日：2012-12-25
申请号：US12712711
申请日：2010-02-25
申请人： Hiroyuki Ishikawa , Masanori Okabe , Koji Nakazawa , Eiji Haryu
发明人： Hiroyuki Ishikawa , Masanori Okabe , Koji Nakazawa , Eiji Haryu
CPC分类号： C25B1/12 , H01M8/0258 , H01M8/0267 , H01M8/0271 , H01M8/0278 , H01M8/1007 , H01M8/241 , H01M8/2457 , H01M8/2483 , H01M8/2484 , Y02E60/366
摘要： A hydrogen electrolysis apparatus includes a stack of unit cells each having a membrane electrode assembly sandwiched between an anode separator and a cathode separator. The anode separator has a first flow field which is supplied with water, and the cathode separator has a second flow field which produces high-pressure hydrogen through an electrolysis of the water. The cathode separator also has a first seal groove defined therein which extends around the second flow field and a first seal member inserted in the first seal groove. The first seal groove and the second flow field are held in fluid communication with each other through passageways. The passageways keep the first seal groove and the second flow field in direct fluid communication with each other in bypassing relation to the boundary between the cathode separator and a solid polymer electrolyte membrane.
摘要翻译： 氢电解装置包括一个单元电池堆，每个单元电池都具有夹在阳极隔板和阴极隔板之间的膜电极组件。 阳极分离器具有供给水的第一流场，阴极分离器具有通过电解电解产生高压氢的第二流场。 阴极分离器还具有限定在其中的第一密封槽，其围绕第二流场延伸，以及插入第一密封槽中的第一密封构件。 第一密封槽和第二流场通过通道保持流体连通。 通道保持第一密封槽和第二流场与阴极分离器和固体聚合物电解质膜之间的边界相互直接流体连通。
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