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公开(公告)号：US09790603B2
公开(公告)日：2017-10-17
申请号：US14492793
申请日：2014-09-22
申请人： MONASH UNIVERSITY
IPC分类号： C25B1/30 , C01B15/027
CPC分类号： C25B1/30 , C01B15/027
摘要： The invention relates to a process for electrolysis comprising a cathode and an anode comprising a catalyst, both the cathode and anode at least partly immersed in an electrolyte, the process characterised in that the electrolyte at least partly inhibits further oxidation of a product formed at the anode. Typically the catalyst comprises one or more metal-(Group VIb) semiconductors, and one or more metal-(GroupVIb))-phosphorous species.
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公开(公告)号：US09938627B2
公开(公告)日：2018-04-10
申请号：US14407014
申请日：2013-06-11
申请人： Monash University
IPC分类号： C25B1/04 , C25B9/06 , C25B11/03 , C25B1/06 , H01M4/86 , H01M12/06 , H01M12/08 , H01M8/0232 , H01M8/0234
CPC分类号： C25B1/04 , C25B1/06 , C25B9/06 , C25B11/035 , H01M4/8605 , H01M8/0232 , H01M8/0234 , H01M12/06 , H01M12/08 , Y02E60/128 , Y02E60/366 , Y02P70/56
摘要： A gas permeable or breathable electrode and method of manufacture thereof. In one example there is an electrolytic cell having an electrode comprising a porous material, wherein gas produced at the electrode diffuses out of the cell via the porous material. In operation the gas is produced at the at least one electrode without substantial bubble formation. In another example there is an electrode having a porous conducting material with a hydrophobic layer or coating applied to a side of the porous conducting material. A catalyst may be applied to another side. The gas permeable or breathable electrode can be used in an electrolytic cell, electrochemical cell, battery and/or fuel cell. Gas produced at the electrode diffuses out of a cell via at least part of the electrode, separating the gas from the reaction at the electrode.
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公开(公告)号：US10297834B2
公开(公告)日：2019-05-21
申请号：US14908334
申请日：2014-07-30
申请人： AquaHydrex Pty Ltd
发明人： Gerhard Frederick Swiegers , Andrew Nattestad , Dennis Antiohos , Fletcher William Thompson , Stephen Thomas Beirne , Steven DuWayne Kloos , Paul Brendan Denis Michael Barrett
IPC分类号： H01M4/86 , C25B15/02 , C25C7/00 , C25B9/08 , H01M8/04089 , C25B1/13 , C25B1/14 , C25B1/24 , C25B1/26 , C25B1/30 , C25B3/00 , C25B11/03 , H01M8/08 , H01M4/88 , H01M8/083
摘要： A method and/or electrochemical cell for utilizing one or more gas diffusion 5 electrodes (GDEs) in an electrochemical cell, the one or more gas diffusion electrodes have a wetting pressure and/or a bubble point exceeding 0.2 bar. The one or more gas diffusion electrodes can be subjected to a pressure differential between a liquid side and a gas side. A pressure on the liquid side of the GDE over the gas side does not exceed the wetting pressure of the GDE during 10 operation (in cases where a liquid electrolyte side has higher pressure), and/or a pressure on the gas side of the GDE over the liquid side, does not exceeds the bubble point of the GDE (in cases where the gas side has the higher pressure).
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公开(公告)号：US09871255B2
公开(公告)日：2018-01-16
申请号：US14908352
申请日：2014-07-30
申请人： AquaHydrex Pty Ltd
IPC分类号： H01M4/86 , C25B15/02 , C25C7/00 , C25B9/08 , H01M8/04089 , C25B1/13 , C25B1/14 , C25B1/24 , C25B1/26 , C25B1/30 , C25B3/00 , C25B11/03 , H01M8/08 , H01M4/88 , H01M8/083
CPC分类号： H01M4/8626 , C25B1/13 , C25B1/14 , C25B1/245 , C25B1/26 , C25B1/265 , C25B1/30 , C25B3/00 , C25B9/08 , C25B11/035 , C25B15/02 , C25C7/00 , H01M4/8605 , H01M4/8807 , H01M8/04104 , H01M8/08 , H01M8/083 , H01M2300/0011 , Y02E60/366
摘要： A gas diffusion electrode for an electro-synthetic or electro-energy cell, for example a fuel cell, including one or more gas permeable layers, a first conductive layer provided on a first side of the gas diffusion electrode, and a second layer, which may be a second conductive layer, provided on a second side of the gas diffusion electrode. The one or more gas permeable layers are positioned between the first conductive layer and the second layer, which may be a second conductive layer, and the one or more gas permeable layers provide a gas channel. The one or more gas permeable layers are gas permeable and substantially impermeable to the liquid electrolyte. The porous conductive material is gas permeable and liquid electrolyte permeable. The gas diffusion electrode can be one of a plurality of alternating anode/cathode sets.
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公开(公告)号：US20170200561A1
公开(公告)日：2017-07-13
申请号：US15468770
申请日：2017-03-24
申请人： AQUAHYDREX PTY LTD
CPC分类号： C25B9/06 , C25B1/003 , C25B1/10 , C25B9/08 , C25B9/10 , C25B11/0415 , C25B11/0447 , C25B13/02 , C25B13/04 , H01G9/2004 , H01G9/2031 , H01G9/2059 , Y02E10/542 , Y02E60/368 , Y02E70/10 , Y02P70/521
摘要： Water-splitting devices and methods for manufacturing water-splitting devices or solar cells is disclosed. The method seeks to provide a relatively high-volume, low-cost mass-production method. In one example, the method facilitates simultaneous co-assembly of one or more sub-units and two or more polymer films or sheets to form a water-splitting device. According to another aspect, there is provided an improved water-splitting device. In one example form, there is provided a water-splitting device which includes a first electrode for producing oxygen gas and a second electrode for producing hydrogen gas from water. The first electrode and the second electrode are positioned between a first outer polymer layer and a second outer polymer layer, and at least one spacer layer is positioned between the first outer polymer layer and the second outer polymer layer.
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公开(公告)号：US20200083541A1
公开(公告)日：2020-03-12
申请号：US16615616
申请日：2018-05-25
申请人： AQUAHYDREX PTY LTD
IPC分类号： H01M4/88 , B01D53/22 , C01B3/50 , C25B11/03 , H01M8/0239 , H01M8/083 , B60L50/72 , C25B9/08 , B01D71/36
摘要： Electrochemical cells (e.g., fuel cells or electrochemical gas extraction cells) supplied with power-to-gas mixtures of dilute hydrogen concentrations may be remarkably improved by the use of porous gas layer electrodes. The electrochemical cells may comprise a first porous gas layer gas diffusion electrode, a second porous gas layer gas diffusion electrode, and a liquid electrolyte Sin contact with the first and second electrodes. The porous gas layers may each comprise a porous, non-conductive, liquid-impermeable material that dramatically improves cell performance.
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公开(公告)号：US09732431B2
公开(公告)日：2017-08-15
申请号：US14008476
申请日：2012-03-28
申请人： Attila J. Mozer
发明人： Attila J. Mozer
CPC分类号： C25B1/04 , C25B1/003 , C25B11/0447 , H01G9/2004 , H01G9/2027 , H01G9/2059 , H01M14/005 , Y02E10/542 , Y02E60/368 , Y02E70/10 , Y02P20/135
摘要： In one form, a photoelectrochemical cell comprising a p-type sensitized photocathode including a sensitizer dye and a water-based electrolyte. In another form, the sensitizer dye and an adjacent semiconductor may have a reduction potential that is sufficiently high to either reduce a desired chemical feedstock in the cell or reduce protons in the water to hydrogen gas. The semiconductor to which the sensitizer dye is affixed may be nickel oxide. The photoelectrochemical cell can include a sensitized photocathode and an electrolyte that contains an electron acceptor, where light illumination of the sensitized photocathode results in reduction of the electron acceptor. The electrolyte can include water.
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公开(公告)号：US09708719B2
公开(公告)日：2017-07-18
申请号：US13992983
申请日：2011-12-09
CPC分类号： H01G9/2004 , C25B1/003 , C25B1/10 , C25B9/06 , C25B9/08 , C25B9/10 , C25B11/0415 , C25B11/0447 , C25B13/04 , H01G9/2031 , H01G9/2059 , Y02E10/542 , Y02E60/368 , Y02E70/10 , Y02P70/521
摘要： Water-splitting devices and methods for manufacturing water-splitting devices or solar cells is disclosed. The method seeks to provide a relatively high-volume, low-cost mass-production method. In one example, the method facilitates simultaneous co-assembly of one or more sub-units and two or more polymer films or sheets to form a water-splitting device. According to another aspect, there is provided an improved water-splitting device. In one example form, there is provided a water-splitting device which includes a first electrode for producing oxygen gas and a second electrode for producing hydrogen gas from water. The first electrode and the second electrode are positioned between a first outer polymer layer and a second outer polymer layer, and at least one spacer layer is positioned between the first outer polymer layer and the second outer polymer layer.
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公开(公告)号：US20200161720A1
公开(公告)日：2020-05-21
申请号：US16615602
申请日：2018-05-25
申请人： AQUAHYDREX PTY LTD
发明人： Gerhard Frederick SWIEGERS , Scott JANSEN , Nathan SCHUH , Jared James Cullen SMITH , Adrian Allan GESTOS , James Scott GREER , Mark Simbajon ROMANO , Prerna TIWARI
摘要： An electrode (110) for an electrochemical cell, comprising a conductive, porous, hydrophilic, gas-permeable and a liquid-permeable liquid-side layer (111) having a liquid-facing side (116), and a non-conductive, porous, hydrophobic, gas-permeable and liquid-impermeable gas-side layer (112) having a gas-facing side (117). Gas-producing electrochemical reactions are promoted at an interface (115) between the liquid-side layer (111) and the gas-side layer (112) by a beneficial relationship of capillary pressures of the electrode layers. The liquid-side layer (111) exhibits a repulsive capillary pressure in the liquid electrolyte (113) of the cell (110) and the gas-side layer exhibits an attractive capillary pressure in the liquid electrolyte (113).
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公开(公告)号：US10577700B2
公开(公告)日：2020-03-03
申请号：US16146353
申请日：2018-09-28
申请人： AQUAHYDREX PTY LTD
摘要： The present invention relates to a water splitting cell having at least one electrode comprising a porous membrane, wherein gas produced at the electrode diffuses out of the cell via the porous membrane, separating the gas from the reaction at the electrode without bubble formation.
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