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公开(公告)号：US20240344208A1
公开(公告)日：2024-10-17
申请号：US18676660
申请日：2024-05-29
发明人： Henrik Stiesdal , Karsten Schibsbye
CPC分类号： C25B1/04 , C25B9/75 , C25B9/77 , C25B11/03 , C25B15/083
摘要： Electrolyzer comprising modules that sandwich ion-transporting membranes in between adjacent modules. The modules are formed as four-layer structures of four metal plates, typically steel plates, including two separator plates combined into a BPP and an anode plate and a cathode plate respectively on opposite sides of the BPP. The four plates are welded together to form a rigid module with three separate compartments, one anode compartment, one cathode compartment and a coolant compartment.
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公开(公告)号：US20240191379A1
公开(公告)日：2024-06-13
申请号：US18286335
申请日：2022-04-07
摘要： An electrolyzer of the cell-stack type, including a first and a second end plate having a plurality of axially stapled cells in-between the cell stack, a manifold for electrolyte flow from an electrolyte inlet in one of the end plates, the manifold having a plurality of diverting portions diverting primarily axial electrolyte flow into electrolyte flow primarily in the radial plane, and further having a bypass directing electrolyte flow to one of the diverting portions bypassing another one of the diverting portions which is axially closer to the electrolyte inlet than the one diverting portion.
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公开(公告)号：US20230163322A1
公开(公告)日：2023-05-25
申请号：US17916118
申请日：2021-02-25
发明人： Martin MÜLLER , Walter ZWAYGARDT , Holger JANSSEN , Sebastian HOLTWERTH , Wilfried BEHR , Dirk FEDERMANN
IPC分类号： H01M8/0206 , H01M8/0271 , H01M8/0258 , C25B9/75 , C25B9/77 , C25B11/036 , C25B11/032
CPC分类号： H01M8/0206 , H01M8/0271 , H01M8/0258 , C25B9/75 , C25B9/77 , C25B11/036 , C25B11/032 , H01M2004/8694
摘要： The invention relates to a bipolar plate assembly (1) for forming an electrolysis or fuel cell stack and to the use of a bipolar plate assembly and an electrolysis or fuel cell stack with a plurality of bipolar plate assemblies.
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公开(公告)号：US20240318339A1
公开(公告)日：2024-09-26
申请号：US18733054
申请日：2024-06-04
发明人： TAKAYUKI NAKAUE , OSAMU SAKAI , HIROMI KITA , YUKIMUNE KANI
CPC分类号： C25B15/083 , C25B1/04 , C25B9/19 , C25B9/75
摘要： A compression apparatus includes at least one compression unit, an anode end plate provided on an anode separator, a cathode end plate provided on a cathode separator, and a plate-like member. The compression apparatus causes, by using the voltage applier to apply a voltage, protons taken out from an anode fluid that is supplied to the anode to move to the cathode via the electrolyte membrane and generates compressed hydrogen. The plate-like member is provided with a recess in which to store the compressed hydrogen and a groove portion that surrounds an outer periphery of the recess. The groove portion is provided with a seal material and a ring material that is adjacent to an outer edge of the seal material and that surrounds the seal material. An outer peripheral surface of the groove portion and an outer peripheral surface of the ring material are both provided with gradients so as to become wider toward an opening of the groove portion.
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公开(公告)号：US20240287694A1
公开(公告)日：2024-08-29
申请号：US18572590
申请日：2022-06-20
申请人： H2PRO LTD
发明人： Idan ROM , Mordechay MOSHKOVICH , Hen DOTAN
摘要： The invention provides a bipolar system comprising two or more electrochemical cells and a bipolar connector operable as a shunt current suppression device positioned in a flow path of an electrolyte solution flowing between the cells.
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公开(公告)号：US20240263332A1
公开(公告)日：2024-08-08
申请号：US18273490
申请日：2022-01-19
发明人： Karsten Schibsbye , Henrik Stiesdal
摘要： An electrolysis system with a buffer tank An electrolysis system for production of hydrogen and/or oxygen comprising a stack of electrolysis cells inside a pressure vessel (18). Each electrolysis cell in the stack comprises a membrane (82A, 82B) and a cassette (12) made of a bipolar plate (74) sand-wiched by a cathode (30B) and an anode (78) forming a cathode compartment and an anode compartment on each side of the bipolar plate (74). The stack is enclosed in a container constituting a buffer container for storing hydrogen released in the stack. The stack has an outlet constituting a hydrogen outlet for flow of hydrogen gas into said buffer container for filling the buffer container with hydrogen gas.
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公开(公告)号：US20240047703A1
公开(公告)日：2024-02-08
申请号：US18267535
申请日：2021-11-26
发明人： Romina BAECHSTAEDT , Moritz WEGENER , Jan Martin STUMPF , Edgar SCHULZ , Ricardo Henrique BRUGNARA , Joachim WEBER
摘要： A layer, in particular for forming an electrically conductive plate for an electrochemical cell, wherein the layer contains a first chemical element from the group of precious metals in the form of ruthenium in a concentration in the range of 50 to 99 at. % and at least a second chemical element in the form of silicon in a concentration of
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公开(公告)号：US20230287587A1
公开(公告)日：2023-09-14
申请号：US18040514
申请日：2021-08-05
申请人： EVOLOH, INC.
IPC分类号： C25B13/08 , C25B1/04 , C25B11/061 , C25B9/75 , C25B9/77 , C25B11/081
CPC分类号： C25B13/08 , C25B1/04 , C25B11/061 , C25B9/75 , C25B9/77 , C25B11/081
摘要： The present application relates to water electrolyzers, including water electrolyzers incorporating anion exchange membranes. The present applications also relates to materials incorporated into water electrolyzers and approaches for manufacturing water electrolyzers, as well as methods of using water electrolyzers.
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公开(公告)号：US20220364246A1
公开(公告)日：2022-11-17
申请号：US17852995
申请日：2022-06-29
申请人： HYSTAR AS
摘要： The present invention relates to a method for producing hydrogen in a polymer electrolyte membrane (PEM) water electrolyser cell. A direct electric current is applied to the water electrolyser cell. Water molecules are allowed to diffuse from a cathode compartment through a polymer electrolyte membrane into an anode compartment, to oxidize water molecules at an anode catalyst layer into protons, oxygen and electrons. The protons are allowed to migrate through a polymer electrolyte membrane into the cathode compartment and the protons are reduced at a cathode catalyst layer to produce hydrogen. The cell is supplied with water to the cathode compartment, and humidified air is supplied to the anode compartment. The invention also relates to a polymer electrolyte membrane (PEM) water electrolyser cell, a polymer electrolyte membrane (PEM) water electrolyser stack and a polymer electrolyte membrane (PEM) water electrolyser system.
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10.发明授权公开(公告)号：US11492711B2
公开(公告)日：2022-11-08
申请号：US17101232
申请日：2020-11-23
摘要： A system for hydrogen generation includes at least one cabinet defining a first volume, a second volume, and a third volume, where the first volume, the second volume and the third volume are fluidically isolated from each other, a water circuit located in the first volume, an electrochemical module including an electrolyzer electrochemical stack located in the second volume, a hydrogen circuit located in the third volume, at least one first fluid connector fluidly connecting the water circuit and the electrolyzer electrochemical stack, and at least one second fluid connector fluidly connecting the electrolyzer electrochemical stack and the hydrogen circuit.
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