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公开(公告)号：US20160122885A1
公开(公告)日：2016-05-05
申请号：US14923437
申请日：2015-10-27
发明人： Hiroyuki ISHIKAWA , Eiji HARYU , Hayato DAIMON
CPC分类号： C25B9/18 , C25B1/12 , C25B13/08 , Y02E60/366
摘要： A differential pressure water electrolysis system includes high-pressure water electrolysis cells, first and second end plates, and a high pressure hydrogen manifold. The high pressure hydrogen manifold is provided to distribute hydrogen in a stacking direction. Each of the high-pressure water electrolysis cells includes an electrolyte membrane, an anode current collector, a cathode current collector, an anode separator, a cathode separator, an elastic member, a manifold member, and a cylindrical porous member. The manifold member is disposed between the anode separator and the electrolyte membrane to surround the high pressure hydrogen manifold and includes a seal chamber in which a sealing member is disposed to encircle and seal the high pressure hydrogen manifold. The cylindrical porous member is disposed in the manifold member between the seal chamber and the high pressure hydrogen manifold.
摘要翻译： 差压水电解系统包括高压水电解槽，第一和第二端板以及高压氢歧管。 提供高压氢歧管以沿堆叠方向分配氢。 每个高压水电解槽包括电解质膜，阳极集电器，阴极集电器，阳极隔板，阴极隔板，弹性构件，歧管构件和圆柱形多孔构件。 歧管构件设置在阳极分离器和电解质膜之间以围绕高压氢歧管并且包括密封室，密封构件设置在密封室中以环绕并密封高压氢歧管。 圆柱形多孔构件设置在歧管构件中的密封室和高压氢歧管之间。
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公开(公告)号：US20160130708A1
公开(公告)日：2016-05-12
申请号：US14931745
申请日：2015-11-03
发明人： Hayato DAIMON , Eiji HARYU
摘要： A differential pressure water electrolysis system includes high-pressure water electrolysis cells and a high pressure hydrogen manifold. The high-pressure water electrolysis cells are stacked in a stacking direction. Each of the high-pressure water electrolysis cells includes an electrolyte membrane, an anode current collector, a cathode current collector, a tabular anode separator, a tabular cathode separator, a sealing member, and a resin frame member. The resin frame member is disposed between the tabular anode separator and the tabular cathode separator so as to surround the sealing member and the anode current collector. The resin frame member includes a water supply port to introduce water for electrolysis and a water discharge port to discharge a surplus of the water after electrolysis. The high pressure hydrogen manifold is provided so as to distribute hydrogen in the stacking direction and so as to be encircled by the sealing member.
摘要翻译： 差压水电解系统包括高压水电解槽和高压氢歧管。 高压水电解槽在层叠方向上堆叠。 每个高压水电解槽包括电解质膜，阳极集电器，阴极集电器，平板状阳极隔板，平板状阴极隔板，密封构件和树脂框架构件。 树脂框架构件设置在板状阳极隔板和板状阴极隔板之间，以便包围密封构件和阳极集电器。 树脂框架构件包括用于电解的水的供水口和用于在电解之后排出多余的水的排水口。 高压氢歧管设置成在堆叠方向上分配氢气，以便被密封件包围。
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公开(公告)号：US20160083854A1
公开(公告)日：2016-03-24
申请号：US14846828
申请日：2015-09-07
发明人： Nobuyuki KAWASAKI , Eiji HARYU , Hiroyuki ISHIKAWA
CPC分类号： C25B1/12 , C25B9/10 , C25B9/20 , Y02E60/366
摘要： A differential pressure water electrolysis apparatus includes high-pressure water electrolysis cells and a pressing mechanism. The high-pressure water electrolysis cells are stacked in a stacking direction. Each of the high-pressure water electrolysis cells includes an electrolyte membrane, a member, an anode current collector, a cathode current collector, an anode separator, and a cathode separator. The electrolyte membrane has a first side and a second side opposite to the first side in the stacking direction. The member has a surface which has an opening and which is in contact with the electrolyte membrane. The anode current collector is disposed on the first side of the electrolyte membrane. The cathode current collector is disposed on the second side of the electrolyte membrane. The anode separator has an anode chamber in which the anode current collector is accommodated. The pressing mechanism is to press the high-pressure water electrolysis cells in the stacking direction.
摘要翻译： 差压水电解装置包括高压水电解槽和按压机构。 高压水电解槽在层叠方向上堆叠。 每个高压水电解槽包括电解质膜，构件，阳极集电器，阴极集电器，阳极隔板和阴极隔板。 电解质膜具有在层叠方向上与第一侧相对的第一侧和第二侧。 构件具有开口并与电解质膜接触的表面。 阳极集电体设置在电解质膜的第一侧。 阴极集电体设置在电解质膜的第二侧。 阳极隔板具有容纳阳极集电体的阳极室。 按压机构是在层叠方向上按压高压水电解槽。
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公开(公告)号：US20170342579A1
公开(公告)日：2017-11-30
申请号：US15592210
申请日：2017-05-11
发明人： Hayato DAIMON , Eiji HARYU
CPC分类号： C25B15/02 , C25B1/12 , C25B9/08 , C25B13/02 , C25B13/08 , H01M8/0656 , H01M2250/20 , Y02E60/366 , Y02P70/56 , Y02T90/32
摘要： A pressure releasing method in a water electrolysis system including a water electrolyzer, the pressure releasing method includes operating the water electrolyzer to electrolyze water to produce oxygen with a first pressure on an anode side and hydrogen with a second pressure higher than the first pressure on the cathode side. It is determined whether the water electrolyzer is in a frozen environment when the water electrolysis system stops operating. The cathode side is depressurized without suppling a depressurizing current to the water electrolyzer if it is determined that the water electrolyzer is in the frozen environment, or with suppling the depressurizing current to the water electrolyzer if it is determined that the water electrolyzer is not in the frozen environment.
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公开(公告)号：US20160060771A1
公开(公告)日：2016-03-03
申请号：US14836958
申请日：2015-08-27
发明人： Eiji HARYU , Nobuyuki KAWASAKI , Hiroyuki ISHIKAWA
摘要： A differential pressure water electrolysis system includes high pressure water electrolysis cells stacked and fastened in a stacking direction. Each of the high pressure water electrolysis cells includes an electrolyte membrane, an anode feed conductor, a cathode feed conductor, an anode separator, a cathode separator, an elastic member, a hydrogen manifold, a conductive member, a sealing member, a conductive sheet, and an insulation member. The conductive member is disposed between the cathode separator and the electrolyte membrane to provide the hydrogen manifold. The conductive sheet is disposed so as to extend from a first portion between the conductive member and the electrolyte membrane to a second portion between the cathode feed conductor and the elastic member. The insulation member is disposed in a center portion of the cathode feed conductor and between the conductive sheet and the electrolyte membrane.
摘要翻译： 差压水电解系统包括层叠并在堆叠方向固定的高压水电解池。 高压水电解槽中的每一个包括电解质膜，阳极供给导体，阴极供给导体，阳极隔板，阴极隔板，弹性构件，氢歧管，导电构件，密封构件，导电片 ，以及绝缘部件。 导电构件设置在阴极隔板和电解质膜之间以提供氢歧管。 导电片设置成从导电构件和电解质膜之间的第一部分延伸到阴极馈送导体和弹性构件之间的第二部分。 绝缘构件设置在阴极馈送导体的中心部分和导电片和电解质膜之间。
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公开(公告)号：US20150122637A1
公开(公告)日：2015-05-07
申请号：US14526519
申请日：2014-10-29
发明人： Eiji HARYU , Koji NAKAZAWA
CPC分类号： C25B9/20 , C25B1/10 , C25B1/12 , Y02E60/366
摘要： A differential pressure water electrolysis apparatus includes a cell unit, a first end plate, a second end plate, and a pressing mechanism. The pressing mechanism is provided between the first end plate and a first end of the cell unit to press the cell unit in a stacking direction and includes a first corrosion-resistant member, a second corrosion-resistant member, a third corrosion-resistant member, and a pressure-resistant member. The first corrosion-resistant member is connected to the first end plate. The second corrosion-resistant member is engaged with the first end of the cell unit and is movable in the stacking direction. The third corrosion-resistant member is connected to the first corrosion-resistant member or the second corrosion-resistant member and covers an outer peripheral part of the first corrosion-resistant member and an outer peripheral part of the second corrosion-resistant member to provide a fluid introduction chamber communicating with a cathode side.
摘要翻译： 差压水电解装置包括电池单元，第一端板，第二端板和按压机构。 按压机构设置在第一端板和电池单元的第一端之间，以沿堆叠方向按压电池单元，并且包括第一耐腐蚀构件，第二耐腐蚀构件，第三耐腐蚀构件， 和耐压构件。 第一耐腐蚀构件连接到第一端板。 第二耐腐蚀构件与电池单元的第一端接合并且可以在层叠方向上移动。 第三耐腐蚀部件连接到第一耐腐蚀部件或第二耐腐蚀部件，并且覆盖第一耐腐蚀部件的外周部和第二耐腐蚀部件的外周部， 流体引入室与阴极侧连通。
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